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Kennedy Audio is well established in Milwaukee/Madison area:  These are not kits. 18 inch $550 mounted in box cost, highest SPL per watt speeaker for the money on Earth. 30% more SPL than a new 2242 speaker. This is possible using a narrower gap in the magnet, (2240). We machine frames/add spacers. Xmax/xlim is the same, 8.5mm/13mm but Alfa 18's take 1200 real watts versus 800 stock 2242. Stock JBL will take 1200 watts intermittantly due to lighter suspension. Speaker only 18 inch Alfas base price $450 - 4 or more $375. 18lb magnet 1/2" top plated. Trade-ins 2242h worth $150 working, $50 not. Recone on Alfa $90 up to 1 year, then $125. Due to the 23 pound magnet the definition and 2242 clarity are superior to 2241/2240/Alfa kits or xMax increasing kit transitions we sell. However, similar results in 12 and 15 inch ALPHA full speakers can be expected due to our use of a 2242 voice coil mounted in kits for magnets that accept 4 inch diameter coils. The 12 inch is the perfect percussion high velocity driver ($285). Kennedy Audio is a B-Stock kit builder, buying same stock seconds as JBL OEM stock but hand reworking each piece as needed. I represent the supply chain and am a life long Quality Assurance / Preventive Management Pro.
Visit our NEW franchise store  OR

Web's best Artisan Travel Site - click links here
Web's Only Artisan Audio Restoration and Design page
'Ka Ahnk Hatua'
Sound stages with our brightest and best sounding tube amplifiers for charity events in Wisconsin $1700.
Sound states setup with our full vast inventory $1200 per day on a daily basis, 3 days for $800 per day.
Use the special button below to pay for accounting purposes. Outside Milwaukee inquire travel estimated expense.
Grounds must be dry enough for 60 foot trailer trucks to traverse without damage to grass.

 

M-roll surround Fly Like an Eagle 'Kaudio Buyer Protection'

Orig M-roll form in all sizes.........................Argon filled transponcers - the first magnetic correction compatible transducers....... For kit orders of 4 or more...
You MUST email us after your order IF YOU WANT 'Accordian' or 'M-roll' - linen surrounds. Cost is same, $5.95ea.
Accordian is used for less paper muffled overtoned sound, faster action but allow more movement thus less power handling. The bell modes of the speaker are changed by the surround type. Again our terminology may differ from other sellers.




Kennedy Audio, or KitBL, want our customers to have the finest rebuilds in 3 and 4 inch voice coils. For personal check or money order. PC is 12 day clear.



We have changed our shipping methods to minimize extra fees.
We recommend that all
crossed over magnets for reconing be scanned with an application like tricorder 5.11 by Ian Cameron Smith on an Android type cellphone.
Our kits are drop in so that we rarely have sell voice coils seperately which enables precision assembly.
PACKAGE - WHAT TO LOOK FOR: (besides our policy of refunding money not actually spent on shipping.....
0.1) If you want factory ORIGINAL KITs, just ask. We can get them for you at extra cost. 1) the gasket material is taped into a corner in a little bundle.
2) the shim is usually .010 - it is a purple piece of paper wrapped around the voice coil
we can supply pastic ones but they cost too much. So we use paper that is accurate to plus and minus .002 inch.
Most JBL shims are .010 but a few are .015 or .007 and even .005. This is
why the cardboard insert that you can throw away is used during shippment.
Keep it in place until the last moment when you are ready to install.
3) the dome is in tissue paper at the top of the box.
We try to ship within 5 days of payment.

4) We DO modify voice coils in some kits. Our normal supplied is JBL certified but when doing 4 inch voice coils for high performance kits, for example the 2228 kit, we are forced to make adjustments. JBL made 4 inch coils that have the same inner diameter as most other speaker models and coils, but in their 18 inch models the outer diameter of the gap is .024 inch larger. This causes interference fit it anyone tried to put the larger JBL coils into JBL 15 and 12 inch diameter models. Don't let anyone say it can't be done. If you get to know us or our franchise plans, you will see that we do the impossible several different ways. In a world made of fine money, spare money, fun money and short time, there is no other team like ours!
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0.25 Item 0.25 are buttons that allows buy it now for restored amplifiers listed at: Go To Restoration Page
Rare antique vintage amplifiers made in America and appreciating in value every year.
Buy McIntosh MC30 NOW button below:
McThreeZero $3100 with item 16.5 Free Ship
Lot #1 $4400
Allied Radio Corporation
Lot #2 $3700
Brentwood Radio Inc. Lot #3 Sundance PA $5700
Lot #5 Tascam 44 $1350
0.3 Item0.3 is AAHRAY>AAHRAY Monitor Towers, 500W RMS per channel conditioned signal JBL 2123h, 101dB, Two bass & CHOICE of UPPER CABINET midrange carbon planars in flying configuration with specular angle optimal enclosure, cast iron mounts, precision retaining fit rings and bass flyback diodes. (for 4X 2123h )
The transponcer option systems are 5 way. Balanced and Tip/Sleeve input jacks. Dual front transponcers driven by dual JBL pair (hi-sens option) or economy version, still all JBL magnets. Side evanescent 360deg. duo-dishes firing toward ea other. Mid-High lotus flower uses either JBL 2402 type with evanescent horizontal bell type 360 deg waveguides or a good compression driver and piezo tweeter pair. There are 7 driven coils per column; 14 total. 8 metalic. Counting the Pentewere phase coherent re-radiator, then it comes out 8 metal and 8 organic for a balanced sounding system. The 50 watt version uses vintage design (1972) JBL 2420 driver and 2408 tweeter, to please the golden age of rock audiophile crowd. The 2420/2470 is a 6 pound magnet that takes up the side double dish space on the upper cabinet, so that the Mehen passive raditor space on the bass section is filled with a 12 inch woofer to boost midbass SPL. This is the version you want if you perfer 'air moving' bass sounding systems. Capacitor usage and protection plan for side dish uses dual line transformers is not possible in the 50 watt version due to size of the 2420/2408 transponcer. All come with wrought iron hangers and all-around superior mechanically secure support. Roadable. The design anticipates easy disassembly using bolts and nuts and easey re-construction. The transponcers option uses a special rigid Cellulose Nitrate diaphragm driven by JBL 2408H and 2418H drivers produce superior treble, almost snowy fresh bright music and DTS like movie sound from ordinary PCM, even with heavy duty current class-D amplifiers, not possible before with straight wired resistor and capacitive protected compression drivers. Our internal protection system also never introduces compression as a means of diverting current from the coil. Ask about adding a subwoofer for a hard to beat Dolby 5.1 surround system, we will discount it and customize it to your needs at our cost.
For those who wish to make a 5.1 surround system using the lower speakers for the rear channels, the 4x2123 is ideal as it does not require low frequencies to be routed to the lower speakers.
AAHRAY speaker array AAHRAY speaker Pole Piecss front & back
This image of the 2123h special modifications for the AAHRAY system shows pole pieces on the back side; they are double layer Faraday rings in copper and stainless heat transfer mesh are on both the front and back of the inner cylinder or pole. This helps cool and also reduces distortion and contains and shields the field. They allow the 4x2123 model or the bass section of the transponcer version to handle 500 watts RMS continued (clean) power per speaker. Be advised that while the option of 150 Watts in trasponcer offers more power handling, the continuos high power may cause the neodymium magnet side of the transponcer to power compress. In neodymium this can reduce output almost to zero, howerver the 2218H has stability and stamina. Theators running constant high DB - buy 2123x4 vers signal setup.
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$2500.00
Upper Cabinet spkrs plan
0.5 Item0.5 is Cone Only JBL aftermarket type>A JBL paper cone as used on our kits. (Available are) JBL 2106, 2220/E130, 2123 midranges, 2225, 2226, 2235, 2240, 2241/2242, 2245.
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$27.00
JBL model orig number
JBL model orig number
B.52 ItemB.52 is Voice Coil Only JBL aftermarket type>A JBL Voice Coil as used on our kits. (Available are) JBL 2104-H/2240-H, 22205, 2123 midranges, 2225, 2241-H, 2226-H
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$28.00 to $33 Not Mexican made type
JBL voice original model
JBL voice original model
C.55 ItemC.55 to C.58 fits JBL aftermarket Cdriver>Fits JBL fit compression driver
These coil/diaphragms are added to the cart one at a time. They take longer to fill the order
than our fast shipped pre-fabricated in-stock drop-in kits. H is standard 8 ohms,
but they often measure from 4 to 6 ohms in Direct Current mode.
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$38.00 to $63
JBL voice original model
JBL voice original model
JBL voice original model
JBL voice original model
1 Item1 is a 500 watt>8ohm mono 1 channel bass amp. Item Prices vary per number of channels.
19" wide Rackmount unit supplied standard. The 500 watts assumes into 8 ohm load,
music crest factor music of 3.5 (watts intermittently non-distorted 1740 watts (87V 20A)
Input sensitivity impedance variable, 1 volt reaches rated RMS continuous power. 500W
Rating at 0.01 percent total harmonic distortion THD at 8 ohms @ 1K hz test signal.
The amplifier is especially stable and can easily run 2 ohm such continuous loads.
Available in 1, 2 or 4 channel configuration. $40 Shipping in cont. USA
350mm rackmount space is 1/2 power supply for all units. You may choose enclosures.
Onset of clipping is measured at 20 ampere at 87 volts is for the single channel amplifier.
Bridging two channels into one channel gives 574 million volts per microsecond slew rate
into an 8 ohm conditioned signal load. A mono amp swings 3.3 meghertz 87 volts = 287 MegV/S
500 Watt RMS Single Channel Bass Amp Kennedy 4-Channel 500 Watt RMS Single Channel Bass Amp
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$1395.00
Channels
Channels
1.5 Item1.5 is a Home Theater simplified electronics and pro design book intended for cell phone or eBook readers download with speech reading for entertainment while driving or buying home theater. Currently only in .PDF format, which can be read by all ebook systems and converted to speech. This book is authored by John R. Holsen, webmaster of Kennedyaudio.com
Home Theater eBook Average Rating: Not yet rated Rate This Product
$4.00
Delivery Type
2 Item2 one floor standing 2X10 JBL diacast set. Baltic Birch Plywood Cabinet K/E frames + 2402h@106dB
All corners are interlock stackable polymer guarded and there is front metal punch guarding.
They make the perfect DJ setup possible quickly and used units were only used for live sound reinforcement.
Usable parallel pairs to single channel 500 watts conditioned signal or 70 watts brickwalled compression.
The RMS ratinged speakers are 150-200 watts at 8 ohms per JBL international rated signal loading standard.
K110/E110 spkr hotrod voicecoil Floor Standing dual 10 K110/E110/2123 spkr cab Average Rating: Not yet rated Rate This Product
$810.00
New / Used
3 Item3 is a kit intended for first time repair executives that do not want to 'invest' in equipment and adhesives but, confidence in as good as professional work is wanted. A pink glue additive is included that enhances any fresh off the shelf shoe-glue or silicone by making it harden more, crack less, mold resistance and a little foam action. A WHITE / clear surround doping gram is included to seal linen surround and brush. The rotational turn table allows glue application and turning as per our video - even application. A little spider superglue completes the set. We ship for free on this to avoid confusion if ordered with a recone kit. Repair Prep Kit title=
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$25.00
4 Item4 One KBL Fasm recompleted speaker in 15 inch size. It features an high pressure formed polymer cone instead of traditional paper cone material. The result is lighter weight and much longer lifespan. It absorbs 100 times less water and will not 'sluff off' fibers or weaken in rainy weather. This item is yet under experimental test marketing. We have to collect enough raw frame/baskets in the 15 inch size to make them, and we are currently having tooling made, so expect substantial wait times, but the resulting speaker is expected to sell for $200 wholesale and $100 with your send-in JBL 15 inch frame if you have one.. Limited availability, so express interest soon. We are working the 'deal' on a first come, first serve basis - and absolutely NO exeptions to the rule. Order sizes over 20, please allow 5 to 7 months lead time.
Buyers receive a voucher acknowledging the date of reservation of future production and choice of frame materials, if so desired. Average Rating: Not yet rated Rate This Product
$4.50
5 item5 aftermarket recone kit JBL D-208 {linen/cloth Not butyl or foam suspension}
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$70.00
Ohms
Surround of suspension
5.2 item5.2 aftermarket kit JBL E120 Kapton, no holes, choice of dust cover and a paper laminated gasket)
The E series originally has a Linen or Cloth surround. Optional is a paper one, paper not recommended for hi wattages. This comes with a blonde cork mounting gasket and is available as a high performance kit for $119 on this page 5.4 JBL 120 aftermarket Std. recone kit Average Rating: Not yet rated Rate This Product
$81.00
Dust Cover
Ohm
Surround
Dust Cover
Ohm
Surround
5.4 item5.4 HI-PERFORMANCE aftermarket recone kit JBL E120 Choice of formers WITH holes and choice of dustcap {linen/cloth susp, Paper Laminate Gasket)
This comes with a blonde cork mounting gasket. JBL 100 aftermarket HOP recone kit Average Rating: Not yet rated Rate This Product
$119.00
Dust Cover
Former / Bobbin
Ohms
Dust Cover
Former / Bobbin
Ohms
5.6 item5.6 aftermarket recone kit JBL D120 Perf Anod AL former {linen/cloth suspsension NOW Orig. Paper avail)
This comes with a blonde cork mounting gasket. JBL D120 aftermarket recone kit Average Rating: Not yet rated Rate This Product
$98.50
Quantity
Former / Bobbin
Ohms
Surround Type
Quantity
Former / Bobbin
Ohms
Surround Type
6 item6 aftermarket recone kit E130 K130 c8rk130 Copper Clad Al wire, no holes in former {linen Not butyl or foam suspension}
JBL E130 aftermarket recone kit Average Rating: Not yet rated Rate This Product
$79.00
Quantity
Ohms
Dust Cover
Quantity
Ohms
Dust Cover
6.2 item6.2 aftermarket 150W recone kit E130 AL wire with AL former with holes
linen Suspension, aluminum dust cover or Kapton former, blonde cork gasket.
Very similar to High Performance, the aluminum former transfers heat faster than Kapton.
JBL E130 basket aftermarket recone kit Average Rating: Has Been RatedStars Rated-6.2 Rate This Product/Read Rating
$109.00
Dust Cover
Quantity
Ohms
Dust Cover
Quantity
Ohms
6.4 item6.4 aftermarket 200W recone kit E130-15 HI-PERFORMANCE Kit Alum Magnesium Alloy wire
{linen Susp.} your Choice of perferated anodized aluminum or
perforated Kapton formers, choice of dust cover, blonde cork gasket) See item 14 also for paper option
The 200 watts is due mainly to the aluminum former instead of Kapton, so if you choose Kapton the
increase of 50 watts of power handling continously may be somewhat less than stated for this item.
Kennedy E130 K-130 kit Average Rating: Not yet rated Rate This Product
$124.00
Dust Cover
Quantity
Ohms
Former Bobbin
Dust Cover
Quantity
Ohms
Former Bobbin
7 Item7 is blonde virgin cork gasket $20.00
Quantity
Diameter
Quantity
8 Item8 is 2oz; covers 2 kits; of JBL Moyen Like Black Dome glue or Brown Suspension Glue.
This glue is ORM-D classified. It requires us to put the tube into a metal paint can, with label and international shipping is $55
Black Moyen Like 2 oz
$10.00
Glue Type
Quantity
Glue Type
Quantity
8.2 Item8.2 is a Quart quantity of JBL like recone Black Moyen Like project glue.
Be advised this is a hazmat material and USA/North American shipping is $55. This glue is ORM-D classified. It requires us to put the plastic bottle into a metal gallon paint can, with label and international shipping is $195
$28.00
Quantity
Shipping High. Hazmat Material
9 Item9 shim for glueing paper cone and coil assbly to basket $9.00
Quantity
Quantity
10 Item10 is alpha PA 12" speaker, 600w RMS either in an enclosed space , 1200 watt free air or with doped surround, 101dB 1w@1m freq 30 to 2.8khz responsive. Hard to find it you need especially loud stage monitors. It's response is linear from 120 hertz to 2000 hertz at 103dB 1w@1m and is a wildcat assembly from JBL frames with much increased flux density magnet, with 23 lbs approx finished weight. Considered to be excellent for guitar or any instrument or PA it is more versatile than any of the kits we sell.
It uses a die cast frame and 1.4 inch winding length voice coil in 4 inch diameter 14 guage edge wound pure aluminum.
For comparison the classic 2204 JBL is 22 guage wire in 0.8 inch winding length. Faster more Power Durable.
Kennedy Alfa 12 inch

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$280.00
Quantity
Dust Cap
Quantity
Dust Cap
11 Item11 JBL, aftermarket recone kit for,E110, K110, c8rk110
{Linen Not butyl or foam suspension}
ALL 10 INCH KENNEDY KITS COME WITH ELASTOMER GASKETS INCLUDED.
JBL 100 aftermarket Std. recone kit with shorter winding length, choice of dust cap, non-perf former.
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$57.00
Quantity
Ohms E=8 K=16 ohm
Dust Cap
Wilconsider ALPHA 18in Vc sub?
Quantity
Ohms
Dust Cap
11.1 Item11.1 JBL, aftermarket ,2123, 2123J 2123H recone kit, {Linen Accordian suspension}
This is the speaker that made JBL famous. 1950's movie theaters, 6L6 type tube amplifiers.
K.A. keeps ++QTYs available for AAHRAY tower home theaters systems. Inquire Please.
The J had a perforated bobin originally. Longer winding than the K series but shorter than
LE series. These coils for reference run from 0.28" up to 15mm X 3.0in diameter.

The K-110 coils for reference are 0.45" winding width X 2.53" OD. Coil diameters varied more
in 2123s. Coatings are available 1) midrange coating 2)bass coating. Email coating you want.
ALL 10 INCH KITS FROM KENNEDY COME WITH GASKET INCLUDED.
They are NOT cork.
Email if cork is needed. Be advised - a few online seller DO sell unmodified take-outs at
prices that could normally buy a reconed repaired 2123 speaker. We only sell them that way
by special request, or if a customer needs a near field array at reduced prices for seldom or
light duty easy listening applications. These would not be taken out of service without indications
of some kind of impending need for technial attention or possibly complete refurbishment.
Caveat Emptor.
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$86.00
Quantity
Ohms
Kapton Former Type
11.5 Item11.5 JBL Factory M-roll surround recone kit for 2123, K-110 LE-111 LE-10A recone kit, {Linen suspension}
The same price for factory kit can be used in K-110 or LE-10A. Different coils winding lengths.
Widest winding length has more bass response, which is the LE type voice coil. All are 3 inch (2.990") for Pole Piece 2.980".
Specify K type (alnico magnet originally, LE Stereo type or 2123 theater ultraflat midrange type.
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$215.00
Ohms
Dust Cap Type
Quantity
Midrange Response
Kapton / AL / Add H2o Proofing
12 Item12 aftermarket JBL 2206 12 inch, recone kit, c8r2206 paper dust cap, pleated cone /w fiberglass impreg, shims
The 2206 cone is generally too heavy to put on a E120 ceramic magnet.
JBL2206 aftermarket recone kit

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$81.00
Quantity
Quantity
13 Item13 same vendor as JBL London En. made 2226 15in kit, Impreg Fiberglass Polyurethane Cone
(see item 16 and 13.1) {Linen - Not butyl or foam suspension}
This kit's shorter voice coil winding length is more detailed in the midranges than 13.1 is.
The optional 16 ohm voice coil is a special order item, requires some lead time and costs $10 extra.
JBL 2226 aftermarket Std. recone kit

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$110.00
Ohms Option
Quantity
Special Options Ohms
Quantity
13.1 Item13.1 vendor as JBL London En. made cone Hi-Performance, 2226 15in kit, 800W 1" Winding Length Increased 25% from 3/4". Fiberglass Reinforced Cone (see item 16)
{Linen Not butyl or foam suspension}
JBL 2242 type voice coil special ordered to Kennedy's Wire Specs retrofits to 2228h 600w
continuous program specification. Uses oversize Beryllium Copper solder leads and tinsel.
Kennedy Spec Special Order Voice Coil JBL2226 aftermarket HI-PERF recone kit If you need to know that this works both as a subwoofer for Rock & Roll and full range, listen to the punch it adds in this video to the transponcer playing above it.
2228 punch sound .wav (Windows)
2228 punch video .swf (Flash)

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$138.00
Quantity
Quantity
Ohm
13.3 Item13.3 same vendor as JBL London En. made cone 2228 15in speaker in JBL 2226 frame , diecast frame, with 18 inch voice coil- subsonic woofer 16-10K hertz Discontinued by JBL - {waiver of liability required}

Wattage is 800 Watts RMS in back channeled enclosure and 400 Watts if vent is enclosed. 20 to 7500 hertz. 13.1 kit but with 9mm Xmax JBL 2226 reconed as 2228 Average Rating: Not yet rated Rate This Product
$375.00
Quantity
Quantity
13.4 Item13.4 JBL, aftermarket , 2228/2227h 15in speaker, stamped frame, with 4 inch voice coil 1.056 winding length. Discontinued by JBL - subsonic woofer to 16-10K Hz}
Wattage is 800 Watts RMS in back channeled enclosure and 400 Watts if vent is enclosed. 20 to 7500 hertz. 9mm Xmax. JBL 2128 China Made Frame Replica image JBL 2228 Cone Face image Average Rating: Not yet rated Rate This Product
$250.00
Quantity
Quantity
13.9 Item13.9 JBL, aftermarket 2225 15 inch recone kit with rubbertex gasket not cork,
{Linen Not butyl or foam suspension},Paper Cone and Dustcap.
Pleated Cone.
JBL 2225 aftermarket recone kit JBL 2225 aftermarket recone kit

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$86.00
Quantity
Quantity
14 Item14 a JBL D130 15 inch, (the 2220 had a smaller voice coil 75 Watt same cone) & later renamed E-130 with the heavier ceramic not alnico magnet and brighter sound and more sensitivity Recone kit {Linen or Paper suspension/surround} blonde cork gasket.
The D-130A was not a full range speaker, due to copper voice coil and paper cover. It is not supported on this site because we now have the actual highly sensitive original paper full range outstanding JBL surround for D-130F and D-130.
D130 E130 aftermarket HI-PERF recone kit

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$114.00
Quantity
Dust Cover / Surround
Ohms
Perforated Coil /Non-perf
Quantity
Dust Cover / Surround
Ohms
Perforated Coil /Non-perf
15 Item15 a JBL E140 15 inch heavier ceramic (D is alnico magnet and Paper Surround) also fits K140 D140, D130, c8rk140 Recone kit {Linen suspension/surround} blonde cork gasket.
The D-140 model was intended for bass guitar and is equal to a 16 ohm kit here. 4 inch VC 105dB paper surround, the extreme sensitivity is due to paper surround but those surrounds
do not have undurance ability. They can be coated or treated which improves lifespan of D paper surround system but lowers sensitivity. The E series generally more basslike.
The E series has a stronger more focused field than D series but larger gap area and more power handling. The D-130F however also had an enlarged gap for Fender amplifiers.
The E145 was used for organ and stereo HI-FI & clear tone bass guitar. This would be 2225 coil, paper Dust Cap.
D & E series not recommended as 'dipole bass' where resistors are added in series and bass boosted with EQ.
JBL E140 aftermarket  recone kit Copper clad Alumiunum wire edgewound coil. Average Rating: Not yet rated Rate This Product
$98.00
Treatment
Quantity
Dust Cover / Surround
Ohms
Kapton Fomer Type
We Have Shiny AL Dcaps instock
Treatment
Quantity
Dust Cover / Surround
Ohms
Kapton Fomer Type
We have instock shiny AL dcaps
16 Item16 ED-130 speaker. D130 All Paper on E magnet original JBL Frame.
The E magnet is ceramic, not alnico like the D. However it is larger and has the proverbial
Vented Gap Cooling and also Symmetrical Field Geometry (SFG) which reduces 2nd harmonic distorion by 10 to 20dB. That is 4 to 100 times less turbulent and noisy intermodulation. Therefore it is a professional chord-expressive system for both clean humbucker or single and split coil smokey chord distortion effects.
This is mostly due to the backside pole piece or 'shorting ring' like those we provide on the front pole piece of the AAHRAY 10 inch transducers. (Golden Boy) The speaker has aluminum voice coil and vented Kapton former and full paper surround and cone.
The surround is of course treated or 'doped' in order to extend the life of the speaker surround, which due to its extreme response (0.005 inch paper), was somewhat limited.
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$200.00
Dust Cap
Quantity
Dust Cap
16.4 Item16.4 aftermarket 2235 repair kit for 15 inch speaker.
This ribbed cone has a vintage style copper edgewound voicecoil, NOT ROUND WIRE. It comes with a black paper dustcap and preassembled kit including black rubbertex gaskets cone, spider, FOAM not linen surround, voicecoil all preassembled on jig fixture to put kit on center and correct installed height every time, just like jbl does. This is true of all our kits, but this is the only foam surround edge we sell, and there is no need to be authorized jbl reconer to purchase Kennedy 2235
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$100.00
16.5 Item16.5 2235 complete speaker. 2235 8 ohm cone completed on E-140 magnet + JBL cast Frame.
The E magnet is ceramic. It Has the proverbial Vented Gap Cooling and also Symmetrical Field Geometry (SFG) which reduces 2nd harmonic distortion by 10 to 20dB. That is 4 to 100 times less turbulent and noisy intermodulation. We selected this speaker to sell with our coming-soon restored vintage tube amplifiers for its Class-'A'y sound. 20-1600 Hertz 15 inch. 300 ish watts
Frequency response flat and sensitive so the bass from a tube amp still gets it moving air.
Tube amplifiers tilt on an edge of higher voltage but less amperage delivered to a voice coil.
So, to maintain a rock-gods reputation when trying to sell the new line up of as-available restorations we could only justify our prices if we know that our signature Mag-Lev Shamma Lamma speakers/kits are visibly and audibly ready to go to work meeting expectations.

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$275.00
17 Item17 same factory as JBL cone 2240, c8r2240, 18 in. midbass recone kit {Linen Not butyl or foam suspension}
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$143.00
Quantity
Ohms
Quantity
Ohms
18 Item18 same factory as JBL cone 2241, live sound 18 inch speaker recone kit, c8r2241
{Original surround suspension was foam. This kit is a Linen Not butyl or original foam suspension}
See also the bassamp.htm page for our rebuilds.
The frame has screw on magnet, 3/4 inch winding length, .30in Xmax 4 inch Voice Coil max output @ 30hz 98dB edgewound
Lower excurstion 600W watt program rated system and vented gap cooling/SFG magnet offers stiff audible sub-sonics loaded for compressed program playback or crossover filtered 250-800hz response flat up to 3K hertz speaker. Most common standard modern re-cone kits uses triple roll (T-Roll) linen surround because muliple roll would cause bottoming out. The four ohm 2241G and 8 ohm 2241H have a 1.6 inch Xlim, which is equal to 0.80 inch Xmax. We also sell a kit to convert frames to 2242. Average Rating: Not yet rated Rate This Product
$89.00
Quantity
Quantity
Ohms
18.1 Item18.1 is JBL 2241h, live sound 18 inch speaker,

These are barely used, like new condition. Complete Speakers!
And YES, we have ten In Stock!
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$330.00
Quantity
Ohms
18.2 Item18.2 Aftermarket 2241 JBL FORM FACTOR Magnet COMPLETE 18 inch 2240/2241 e155 2245 coils avail. (all are Magnesium Aluminum Edgewound)

See also the bassamp.htm page for our rebuilds.
This item has been suspended due to the success of out ALPHA series speakers and transition into very large sound system setup and operations. However this listing is being held until more data is available about the status of our inventories, which are extensive. Average Rating: Not yet rated Rate This Product
$250.00
Quantity
Ohms
Voice Coil
Quantity
Ohms
Voice Coil
18.3 Item18.3 2241 JBL Magnet extension spacers and drop-in kit for 2242 voice coil in a 2241. This does require screwdriver and some labor. See also the bassamp.htm page for our already made similar rebuilds. Note that if wired in parallel with 2242 stock speakers, the 24 pound magnet of the 2242 may sound
somewhat different at frequencies of 25 to 100 hertz due to the lighter 15 pound 2241 magnet and may tolerate fewer watts before burnout if the sole signal is in that low frequency range. These therefore work better in parallel if there is a low pass filter used in the EQ driving signal.
$130.00
Quantity
19 Item19 JBL factory same cone 2242 made from 2240, Completed Modified JBL 18" Speaker, c8r2242 1200 watt RMS {Linen Not butyl or foam suspension}
See the bassamp.htm page for specifications. Depth Spacers and Copper Faraday Ring. THX spec compliant - responds to 6 hertz full excursion. If you want to hear the kettle drum that sounds like a kettle drum in an orchestra, then this and a good tube amplifier biased fully into class-A is one of the few ways options to do it, at least using an MP3 player.
The price of $550 includes our reinforced Baltic birch plywood mofified SONIC enclosure. See top of page for raw speakers. One completed ALFA 18" base price is $425 but discounts are available for 4 or more.
We have estimated shipping at $200 with this checkout button. Kennedy 2242 Alfa

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$550.00
Quantity
Midwest delivery much less$ $
Quantity
Midwest delivery much less$ $
Enter tradein baskets here
19.1 Item19.1 JBL factory same cone 2242 made from 2240, Completed Modified JBL 18" Speaker ALFA 2242, c8r2242 1200 watt RMS {Linen Not butyl or foam suspension}
See the bassamp.htm page for specifications. Depth Spacers. THX spec compliant - responds to 6 hertz full excursion. 14 guage wire coil takes 10 amps continously.
The price of $450 (free ship) is only the speaker without any cabinet and discounts are available or tradeins for working or no-working 2240, 2241, 2242's. See top of page. The non-working tradeins average $25 for a 12 inch with 4 inch coil gap, %50 for 2241 or 2242 and $75 for 2240 baskets. One complete ALFA has discounts are available for 4 or more, has 30% more SPL, & rarely bottoms out, it can tear apart coils with unusual input power.
Kennedy 2242 COPY Kennedy 2240 After/Before

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$450.00
Quantity
4+&Tradeins 920-850-0920
20 Item20 JBL One JBL 2402 aftermarket Sphinx bullet tweeter 8 Ohm circular Titanium Ribbon driven by voice coil through/over bullet shape waveguide.
Kennedy 2402 COPY

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$75.00
Quantity
Quantity
21 Item21 One Pair Stacked 400 watts upper stack 1200 watt RMS lower stack measured at 8 ohms: JBL D-140 15in alnico /2418H horn with stack seperated heavy modified JBL 18in woofer. All THX certified components.
This pair produces a VERY "moview" theater like sound, as it should due to it's 1974 THX specification matching. Alnico provides it with zero power compression for extended operation without loss of sound pressure levels. Listening to it play blu-rays, it excells at DTS and DOLBY HD soundtracks, is capable of close up listening or long throws with extremely high vibratory and auditory sensation. Heavy volumes of our art and science foundation in supersonic sound wave conduction in solid materials produced a Brillow pad snubber as opposed to pillow used in most THX compression horn exit throat areas or the transponcer material that requires months of hand build special attention and is not as easily replaceble. The setup comes 'turnkey' with two matched modified IGBT transistor solid state amplifiers. They are Behrenger with beefed up power supply capacitance, not stock production, but new and capable of driving the extended 2240H modified into 2242H driver along with the top stack unit as a bi-amping topology. We ran both amps off the same circuit for close up listening and still shook a quarter inch of sawdust out of the floorboards in the shiplap floor in the picture, accumulated as lines in the basement. No chochkies or bling was harmed in this production. One Sub-Woofer only is $600 each. That is only $100 for the enclosure - see item 19 above. Shipping cost set at about half what cross USA freight would be, so you KNOW we want to sell this first biquad of its kind! Kennedy THX stack

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$4600.00 pair.

First Time Users - This page uses Paypal as do our eBay auctions by Kennedy Audio Productions DBA Name.
Just check the items you wish to order and send your payment using your paypal account linked to bank checking, savings or credit card account.
Overseas buyers NO LONGER HAVE TO WAIT for shipping confirmation before paying.)
Domenstic AND Overseas Orders of $500 or more of kits, coils or paper cones earn Free Shipping.
All orders that receive free shipping do NOT get a multi-item 10% discount.
Multi-item refers to items over $50. It does not include small items like glue.

Voice Coil Dynamic Heat Dissipation Model

Coil DCR & Wearout Coil Winding Variation

Coil rub. Wire has contacted magnet. Usually ascribed to spider overflexure or spider storage warp. Preventable, Repairable; its a lifespan issue.
The coil with more wire was marked 'J' type and still has DCR of 5.8 while the '2123J' shown with rubout is DCR 6.6 with less length of wire. Original JBL nomenclature used the 'J' type of any speaker to mean 16 ohms while the 'H' following the model means an 8 ohms voice coil. 4 ohm speakers are designated by 'G'. An HPL after the model number means that the speaker had a 8 ohm coil with a rubber magnet protector. This nomenclature is still valid and the items listed here are using the H and the J symbols because Kennedy Audio Productions runs auctions on eBay.com and the website, as different seller service, tries to keep current and well matched to the auction inventory that is posted on eBay at any given time. This is not a perfect process, so be aware if you use the dropdown box to specify an 8 ohm speaker for say a 2123J cone that was removed, you will be then buying a 2123H replacement. The suffix 'A' meant two things: is an older method of refering to ohms, as is 'B' for paper former speakers - but these are old and outdated anyway. A and B were also used as revision letters to cones on certain models like the 2220 that is also an older type with less wattage tolerances for the voice coils. An 'F' following a model number means it was supplied for a Fender amplifier cabinet. The fender types generally had a larger coil to magnet gap and higher gauss density, but the reverse of that is the case on the D110F with less of an air channel gap. Therefore the D110F cannot be rekitted by a K-110 kit, even though the cone would fit. The fender speakers usually tolerated more moving stress and dust as their magnets were often exposed to the environment. The D110F was not the same build type, and we do not supply recone kits for it, although a perforated would be advised.
Speaker Acoustic loading - all speakers used for a more intense bass audibility effect used closed cabinets or ported ones. This is done to load the speaker. Ported is shared chamber acoustic loading. Fully enclosed speakers intended to not leak air often have a white 'dope' applied to the linen surround to seal the air flow. We can supply this on request. Aoustic Loading may change the power factor. Sub-woofers in pairs are loaded against each other, out of phase, to increase audibility of bass tones. We ask that all users be aware that loading speakers, while it makes them sound more full toned, it is in reality changing the way the speaker sounds in ways peculiar to that cabinet, porting, phasing, room size (unless outdoors). Our speakers sound just fine and should really be compared WITH other speakers in free air, without loading them, for quality purposes. Because an enclosure produces both destructive interference and constructive interference, losses and additional bass dB pressures exist. There is approximately a 6dB or 4 times possible magnitude of bass versus midrange loudness variations to consider when cabinets are used. Therefore these days, most cabinets use some sort of software designing tools, even if mounting is on a 'baffle' or flat surface. There are no infinite baffles of course, but this is one method very commonly seen in six string guitar speaker use because the emphasis is on quality of midrange sound, and almost no actual very low frequency sound is worth the penalty paid to the midrange quality. The authors personal bias is to compromise. A perforated baffle or a flat surface which covers the all too common 2 pi steradians speaker cone and dust cover assembly. However, if your preference is not novel sound but conformist to standards, you would want to install our speakers into stock cabinets. Likewise many 6 string guitar players stay with tube amplifiers for many of these same reasons, that is, midrange is optimized at some expense to bass and higher frequency sounds, but offers also a kind of automatic protection against unanticipated poor quality sound projection and quality. At Kennedy Audio, we make innovation using novel solid state amplifiers and speaker assemblies possible, without compromising on consumer driven application concerns. We can do tube amplifiers, preamplfiers, isolated inputs and cabinet builds and designs. Just ask us. Our prices are competitively driven. When reading about horns, acoustic loading, porting, baffles and such, please bear in mind that for practical listening, you will need to have an array of many such units to hear much difference, with the exception of the bass loading effect of more audible bass - but a piano does the same thing using a reflecing board with vibrates in sympathetic reaction and projects bass very well. The point here is that the most commonly used techniques are not the only ones possible, and that if you must compare one of our speakers with a competitive brand, then set the unit on a solid wood floor, preferably the second story or higher and a larger free span floor - to get the bass sound more audible. Watching the cone movement is another good way to judge speakers for bass quality.


To select either perforated polyimide Kapton or perforated anodized aluminum formers for high performance kits: Kapton is heavier but the extra mass and thickness also tranmits heat better so may handle more power over the same time period without burnouts. This applies more to woofers that TEND to have higher power ratings to begin with because smaller voice coils also generate less heat and the threat of heat induced demagnetization is therefore less. However smaller coils have a reputation of dissipating less heat at higher operating temperatures, so if you run speakers hot, Kapton snaps back from deformation without harm. The one disadvantage of Kapton is that it can be warped by ExTreMe moisture or dryness. Highly moisture prone environments or very cold and dry ones should use something else. The disadvantage of Aluminum, as long as we are on the subject, is that it is magnetically permeable, unlike Kapton, and thus it can act as a magnetic shielding material at some frequencies and a scattering membrane at others, making it just unpredicatable for design reasons. The higher the rate of change of the signal, the higher the voltage in the aluminum former material, which may be a source of distortion. Neodymium magnets will lose their magnetic charge at about 300 degrees Fahrenheit and aluminum can crack in temperatures below freezing. The magnetic field returns when Neodymium cools, but the output suffers from power compression during the heated part of the cycle time. Paper has obvious disadvantages due to strength, recovery, heat tolerance, adhesive peel and shear strength and others. Paper may sound nice in low power speakers and is often combined with Nomex or similar paper like substitutes. These however are much more vulnerable to rough handling. For JBL speakers, the roundness of much larger former is almost perfect and could never be made with anything so likely to become out-of-round. Paper and Nomex voice coils are often seen in voice coils of 5/8 inch diameter with very much larger shape and variation tolerance.

Of course many of the recone jobs we take in have very out of round deformed Kapton formers. This is due to uneven heat transfer more than it is due to the rate of heat transfer itself or the elasticity and recovery or microscopic dust contamination. The deformation tends to happen at the coiled area and not the perforated area where the Kapton is vented. Because diffusion is much easier on a flat surface the surface becomes a flat. A coil 'rub' therefore translates to a flat spot on the former which is why you hear a noise in the speaker after it has overheated. This is related to clearances as much as weight, impedance, winding height and the evenness of the transmission and its stress on surrounding material, called thermal diffusivity, to the hole area which is outside the magnetic field where the coil sits. Rubs happen on the outside of the voice coil, where the gap between metal is much larger but the magnetic flux densities are very large. A good speaker like JBL is not going to induce permanent magnetism (complete saturation) like some other hot-rod off brand names, but still is built to be as sensitive as it can be, and so it relies on the builder of the box to allow enough ventilation, proper storage orientation, shipping and gentle handling. The eddy currents and the heating of the pole piece by the magnetic flux are yet another source of warping of coils. This effect is especially relevent to higher power subwoofers that may combine high induced coil flux and high permanent magnet flux. However, for theater midrange speakers such as some of ours, the materials and methods used are considered a high art form, not commodities. The fact that midrange and tweeters usually use higher flux densities than larger bass speakers do makes it a handwork trade. While we sell our re-coned JBL's as original, for such special items as the AAHRAY, we make many very special modifications to be sure that our sets outperform all others. From dust-proof cabinetry to waterproofing surrounds and cones, Hi-Phi modified flux magnets, double shorting rings and special poles, we begin at engineering and advance to scientific levels of proven quality and unheard of levels of professional improvements and re-designs.

Sound systems are a bit like an iceberg in this respect, what you see is only a bit of what there is - only it is upside down for now. Our carbon fiber technique for instance helps guard against moisture warpage and using 3 inch coil on a 10 inch speaker is very rare but also old. You have to consider that a new JBL speaker in the mid 1960's cost about $120, and that was something more like $2000 today. It all falls into perspective, but takes some reading and time to raise one's awareness.

Temperatures of coils that exceed 120 degrees centigrade are in the red danger zone. The diffusion distance varies with the square root of time and the thermal boundry layer thickness is directly proportional to that quantity. Also the kinetic energy diffusion (kinematic viscosity) is equal at all times approximately to the thermal energy diffusion Zt =SQRT(K/2ωCρ)= SQRT(μ/ρ). Both have units of cm/√sec which is essentially the diffusion distance or length. A good investment in equipment would be an oscillator that keeps speaker cones moving for a few minutes after playing hot to allow them to cool down. We may offer such a Kennedy Overheat Oscillatory Locomotor if we can spare time to build a few. But don't hold your breath. Designing and building small items by hand may be what we do to make our mark, but if they are easily replaced by competitors selling in volume into vertical markets, we must, alas, take a rain check.

In general, there are no materials that can give both strength and adhesion once temperatures exceed 100 degrees C. (boiling). The thermal cycles alone will eventually render the materials they are bonding to warpage even if they only reduce somewhat from their as set properties.

 

“But when you want the best, there has to be some handwork involved.”

-Interview with Joachim Gerhard of Audio Physic Viewable online at SpeakerBuilding.com

 

Manger - Pioneer in Cymatic Chladni Effect speakers

Laser Measurement image of  Other Chladni Cymatic Speakers Sold in Europe
Manger - Pioneer in Cymatic Chladni Effect speakers
IMPEDANCE MATCHERS for oscillator detector

Just to be sure - magnets that are dropped lose their ability to keep their magnetic field density declination angle.
In spite of this, anyone who wants JBL speakers done as best that they can be should seriously
consider shipping the actual speaker magnet and frame to us and let us do the entire refit.
Alnico magnets are made from a scarce mineral and endure time well, but just one advantage of
doing the refitting and repair this way is that we can check the magnetism and remagnetize speakers.
Such magnetic field regeneration should never be attempted at home. We have special facilities and training.


A discount is available on 4 or more recone kits. Because of availability please wait for email proforma statements or sometimes the paypal money request before paying. A refund may be necessary due to difficulty in modifying paypal checkout procedures for shipping calculations, taxes and discounts.. For example we can ship the AAHRAY to California, to a business for $135 and to Pittsburg for $65 but if a lift gate truck for residential delivery is required, there is an additional $60 local residential delivery charge. We refund any overcharge and use California, the largest domestic delivery (actually LA) charge as a standard Paypal debit. This refund would have $60 deducted for local delivery that is not direct business to business dock as noted above.
PRICES TO GERMANY ON 18 inch Speakers: Weight is 28 french pounds, 33 after packing. Delivery varies from $58 US to $65 US dollars. Discounts on orders of more than 3 are possible due to combined shipping weights. Fast shipping costs $185 per speaker unit. OUR CURRENCY EXCHANGE POLICY - these charges exist seperately from the policies of other internet services. Therefore because we are charged at least 6 percent of the amount we do pass on this charge or fee which is another source of our communication and internet presence requirements. Please be aware and help us communicate about foreign sales and services. We try to respond quickly 24/7 but we are only humans working with time zone differences and our built-ahead inventoried assemblies.

For speaker voice coils other than 8 ohms, please email and ask about availability and lead times. Orders of 10 or more require month lenght lead times. Coils can be made for 4, 6, 8 and 16 ohms, especially if ordered in larger quantities.

Please all users be advised that a 8 ohms coil is 8 ohms of alternating current. DCR is not as well related to the variable impedance of a coil.
Set multimeters to AC mode. DCR given on other web sites is the direct current resistance. There is no associated frequency, amperage or voltage.
Therefore DCR tends to always read the same and appears to be a constant, tending to give a halo effect to consistency in manufacturability.
Under DC voltage coils should read 6 ohms that are 8 @ 1000hz and likewise lower ohms than AC test current readout.

ALL coils are custom edge wound by Kennedy Audio using special proprietary wire, specially impregnated paper and precision structures.
ALL coils are connected with the higher quality silver wire lead pairs with high content silver solder when we recone them in house.



All special options are available in Buy It Now. Use shopping cart for larger quantities or for multiple item orders.

A large stock of 18 inch speakers is being rebuilt. These have been popular in Germany and exceed THX specifications. THX uses 6 of these below a movie screen and 16 2245 drivers behind the screen with oversize horn waveguides (pillowed). Our shipping is FOB port, not door to door in Europe. A list of ports we can ship to includes: Berlin Bremen Cologne Duesseldorf Franfurt Freiburg Hamburg Hanover Munich Nuremberg Saarbruecken and Stuttgart. AAHRAY columns are 7-1/2 feet with finial removed. FOB door is available in Canada but not as parcel service for over 100 pound packages.

Some people prefer paper surrounds. Only the D120F 12 inch and D130 15 inch speakers had these originally. The D120F is not available. The 15 inch paper surround is not as durable and long lasting, but we do have it in stock. Otherwise all surrounds are cloth. The D refers to a paper surround, without it the same speaker becomes a E130 or a K130. All D120 cones must be made in-house and do require more lead time. The price of $810 on the dual 10 inch with exponential bullet horn is based on free shipping and packing and insurance. This is because sales on eBay usually require $100 shipping to California, $35 in packing material (We double box) and insurance and then eBay seller fees of about 20 percent. If you want delivery in the Wisconsin area, we charge $100 flat fee but the sale price is $675 free on board Hartford, Wisconsin. This comes out to be the same as $1200 per unit (2400 pair) when all the other costs are added in to sell on the internet through intermediate clearing house style auctions and retailers. This fact alone makes our web page one that you should add to your favorites or check back on every once in a while for deals. The original exponential bullet tweeter sells on eBay for up to $300 and we will sell it here by email for $75 plus shipping.
You can use a 2123 10 inch cone to recone a K110 and if will have less pinging. Standard K110 uses aluminum dust caps. You can also send in any speaker to be reconed. The cost is what you see below for the kit plus $15 in labor. You pay shipping costs both ways. We can recone for such low cost amounts because our kits are already made and ready to drop in. So there is no spider gluing, surround glueing, wiring harness attachment and voice coil attachment and glue times to deal with. All that overhead is already done and ready to ship. All kits come with a shim - there is no shipping for 2 oz moyen black glue unless you order it by itself ($7 shipping)

Item 7 assumes you want a 12 inch blonde cork gasket. For other sizes the costs are less. A fifteen inch gasket will run about 14. Again, either ask first or email for any refund due to overcharges. Right now the cost of 12 inch gaskets has become high due to demand.

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