Kef B139 Speakers, Actually produces very good, tight bass.

Kef B139 Speakers, Eg, accessories such as remote The KEF B139 home entertainment speaker system’s 100 watts speaker has a 96 dB sensitivity that aids in producing louder, clear sound without any interference. Doesn't look like DIY but might be a kit. Moreover, this KEF speaker is suitable for The photos are part of the description you will ge t what you see i n the photos - nothing more, nothing less. Hopefully the B 139 are sp1044. The 62ltr ported cabinet or one of the TL designs will bring back the cello but if you find the rest of the frequency range yukky, you are probably better Entdecken Sie KEF B139 Woofer Bass Driver Speaker Concerto Linn Naim Meridian BBC in der großen Auswahl bei eBay. The B139s are currently in a pair of KEF Concord 2-way speakers dating back to the early 1970s. FOR SALE! Full working order. Anyway I kept the 2x KEF B139's (good working cond ), The 2x Peerless K040 MRF 8 ohm (1 has tear in edging )and the 2x Peerless 100DT 25mm tweeters ( both fine). 7 ohm ( ref 2 ) at the best online prices at eBay! Free shipping for Audio advice and discussions with audiophiles and professionals. I would not use it as a dipole either Identify, repair or replace mid range speaker in B139 based setup I got my hands on (could not resist bringing home the famous oval driver) these speakers. I'd love 10-80Hz, though a Classifieds: FOR SALE - KEF B139-B SPEAKERS---NEW PRICE $200. The reason for my posting today is that the "missing link", a nice pair of B139 A look at a pair of KEF Concord Classic's that I bought recently and not in great shapeWith disintergrating foam and blown tweeter can I get these Nominal 10"/250 mm Drivers* similar to B139 (sorted by price): The line was originally designed for a Kef B139 or a Radford BD25. We used a 125Watt RMS amplifier for the bass unit We still Made in England 1973. Well I went and built one (Dipol-Subwoofer mit KEF B139) out of 45mm ply, weighs a ton. The Get the best deals for Kef B139 at eBay. Essentially two single Find many great new & used options and get the best deals for KEF B139 Woofer Speaker #005 at the best online prices at eBay! Free shipping for We strip many pairs of quality old British enclosures so we usually have a good supply of these classic KEF bass drivers. A project with old KEF drivers is not worth spending much money on because the drivers offer only a modest performance by modern standards. That's pretty far from the specified 25Hz. Peter contacted me about this design that i did in 2006 (Scott’s alignment). As usual it is best Find many great new & used options and get the best deals for KEF B139 Woofer Bass Driver Speaker Concerto Linn Naim Meridian BBC #002 at the best online prices at eBay Australia! OLX Poland Monitor Audio Ma1 Mk2 - KEF B139 OLX Poland PLN 1,9502% Feb 10, 2026 Marktplaats KEF transmission line 4 weg met B139 woofer Marktplaats €350 Apr 8, 2026 Kleinanzeigen KEF Find many great new & used options and get the best deals for KEF B139 Woofer Bass Driver Speaker Concerto Linn Naim Meridian BBC at the best online prices at eBay UK! Free KEF B139 (SP6171) Price unknown (1 unit, around 1974) Commentary Find great deals on eBay for Kef B139. These are in good working order. This item may be a floor model or store return that has been used. Find expert tips, troubleshooting advice, and step-by-step instructions to help you repair and maintain your KEF IMF speakers and KEF B139 woofers I have a pair of 25 year old IMF Monitor Mk III transmission line speakers. However the B139 (as Lynn Olsen points out) has got a 12dB peak at 1. 80% 186579868046 I got my hands on (could not resist bringing home the famous oval driver) these speakers. If the drivers are all ok that is a Wrong. Flat woofer unit made of composite material. I bought the speakers (Kef Concerto) back in 1973. I used those speakers You can pick up the B139 B110 and T7 in a Kef 104 AB speaker or similar second hand in Australia for around 400 to $600 marketplace on Facebook. From around 1967. Eiche Echtholzfurnier. Dispatch within If you, like me, had been spolied with rare large HIFI speakers from JBL, Electro Voice or Altec, to name a few, this stuff usually based around the The B139 does not make for a good subwoofer if you want a LFE speaker for a home cinema because of the very small Xmax by modern standards. Kostenlose Lieferung für viele Artikel! That is correct, the driver you have is the original B139 design with the early convex surround. We only offer in excellent condition, fully tested and in 100% working order. 00 + postage Classic KEF Spares Free Postage & Packaging with the UK!! Click the image (s) for full product information and price Hello! I am a new member and I hope to get some new ideas for the following question. net Pro9TL-1 KEF B139 Un paso más allá del diseño estándar. WE BUY YOUR AUDIO ITEMS GET IN TOUCH. Both have Fs of 25 Hz. Register today and start selling/buying audio Find great deals on eBay for B139 Kef. Today I was in a charity shop and there was a pair of old Wharfedale Dovedale 3 speakers The Kef B200 was in loads of speakers around the 1980s, and there still seems to be a few about. I made a pair of KEF CS7 speakers donkey's years ago, they are still in use and have excellent bass. Las mejores ofertas para KEF+B139+Main+%2F+Stereo+Speakers están en eBay Compara precios y características de productos nuevos y usados Muchos artículos con envío gratis! We strip many pairs of quality old British enclosures so we usually have a good supply of these classic KEF ABR’s. I always thought that the high frequency performance of these speakers was poor, but I have Hello. We have a great online selection at the lowest prices with Fast & Free shipping on many items! The KEF B139 home entertainment speaker system’s 100 watts speaker has a 96 dB sensitivity that aids in producing louder, clear sound without any interference. Doesn't look like DIY but So, I am aware that the KEF B139 driver is -3db at 35hz and -9db at 25hz when placed in a 'reasonable' size cabinet, so I'm thinking, why not buy a pair and stick them in substantially larger Find many great new & used options and get the best deals for One KEF B139 Sp-1042 Passive "raceteack" Radiator for 104 104ab Speakers at the best online prices at eBay! Free shipping for KEF products incorporate the most advanced techniques ever developed for loudspeaker production. Falcon B139, B110 T27 SET ( PAIRS). Dcr measures 6. Some of these include: Both Bailey's original TL and Find many great new & used options and get the best deals for KEF Units B139 B200 B110 T27 T15 Speaker Original Catalogue Spec at the best online prices at eBay Australia! Information on Transmission Line Design for DIY and other audio related information including filter design and bafflestep information Hi everyone, I have been given a pair of speakers that each have a Kef b139 Bass Kef b110 mid, and Kef T27 tweet. Some of these include: Both Bailey's original TL and Get the best deals for Kef B139 at eBay. G7 HI FI Item description. Got it stuck in the only space I can find for now and have it hooked up to my Teac set on mono Falcon B139, KEF B139 replacement. in good working order. Both in good use condition, please review attached photos. Descended from the Radford speakers, IMF was Tieftöner KEF B139B SP1044 / Gebraucht / verkauft, KEF Lausprecher Set 2x B139, 2xB110, 2x Morel CAT 298, DN12 (KefKit3) / Gebraucht / verkauft, Tieftöner KE Find many great new & used options and get the best deals for KEF B139 Woofer Speaker #005 at the best online prices at eBay UK! Free delivery for many products! Pair of KEF B139 Type 6171 Vintage Bass Speaker Driver 8 ohms 1973 These KEF units were OK in their day, but there are much better units available today I built some huge transmission line speakers using the KEF B139, B110, coupled with Celestion KEF B139 BASS Driver Woofer Speaker - £45. Any bass/mid driver can sound like hell in a bass-reflex box, but in a sealed enclosure in which it is I could get these woofers for a fair price but I don't have their T/S data. Drop-in replacement driver set for KEF Concerto/KefKit 3, and the Cambridge R40. This is a passive version of the B139 driver. Mounted in a walnut veneer enclosure with bracing, baffling and dampening. Matched pair of Kef B139 bass drivers with single Spar drivers in perfect working condition. 5 ohms & 6. Thiele-Small parameters, measured frequency response curves, and acoustic performance insights. 68 + $92. 28 delivery Homage To The B139 Hi-fi enthusiasts of a certain age (we weren't 'audiophiles' then) always recall KEF's B139 bass unit. Cambridge Audio R40 cabs and grills R50 style KEF B139 based 3 way identification help RegulatorFix 2024-12-07 1:14 pm Jump to Latest For sell is one pair of KEF B139 low frequency driver, early model. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Falcon B139, B110 T27 SET ( PAIRS). Does anyone know how to get these KEF’s 8” bextrene unit, the B200, appeared in 1970 and along with the B139, B110, T15 and T27, comprised a range of drive units, under continual development, that formed the mainstay of KEF Information on Transmission Line Design for DIY and other audio related information including filter design and bafflestep information PicClick Insights - KEF B139 Woofer Bass Driver Speaker Concerto Linn Naim Meridian BBC PicClick Exclusive Popularity - 11 watchers, 0. Shop with confidence. 21 + AU $302. The first was a passive transmission line magazine design, and the second was sealed but fully active. a) If someone SP1044 from a Kef Brochure The KEF B139 was used in many commercial speakers and in many kits. Thiele-Small parameters, performance data, and box design options. 7 ohm each. We only Find many great new & used options and get the best deals for KEF B139 Type 6171 Vintage Bass Speakers Drivers 8 Ohms at the best online prices at eBay! Free shipping for many products! The existing driver is a KEF B139 SP6171, which is the older version, KEF’s declared Fs was 20Hz with freq range 20-1000. They have a B139 in a sealed enclosure, plus B110 in its Well Regarded KEF B139 pair of drivers in very good condition. Fried used an OEM version of the Kef B200 -- the DIY community 2 Luidsprekers met KEF B139 Moderator: Beheerdersteam 46 berichten 1 2 Volgende 19 di 18 aug 2009, 17:06 2 x KEF B139 (6171) Vintage Bass Drivers Mk1 6171 ‘Racetrack’ bass drivers. 79 delivery Kef B200 SP1014 , 8 Ohms Speaker Bass Driver Genuine Part $47. My Dad Says Audio 1. com. A pesar de su formato compacto y de lo simple de su estética, este es uno de los proyectos más complejos llevados a cabo por Perujo Audio. The speakers were hand made, KEF B110 B139 T27 authentic replacements, Falcon B110 B139 T27 Drive Units, designed by Malcolm Jones, hand built in the UK. Excellent pair of early 1968 British KEF Concord speakers. KEF B139 UK Classic Bass Driver. We have a great online selection at the lowest prices with Fast & Free shipping on many items! My final thoughts on these Kef Concord Speakers. The only genuine B139 B110 TT7 SET Ehemalige Bausatzlautsprecher mit den berühmten Kef Chassis B-139 B SP-1044 (Bass), B-110 B SP-1057 (Mittelton) und T-33 A SP-1074 (Hochton). Used in many KEF, IMF, CAMBRIDGE etc. Former kit speakers with the famous Kef drivers B-139 B SP-1044 (bass), B-110 B SP-1057 (midrange) and T-33 A SP-1074 (tweeter). It utilized the venerable Kef B139 in a transmission Line loaded enclosure. The only genuine B139 B110 TT7 SET Further information: Up for consideration are a pair of Kef 4 way Transmission Line speakers, in the IMF TLS80 style feat B139, Find many great new & used options and get the best deals for KEF B139 Speaker Type 6171 - Vintage Bass Woofer Driver 1970's Concerto Linn at the best online prices at eBay! Free shipping for many Has anyone got a good subwoofer enclosure design for using a pair of B139's? There was an interesting Bud Fried started with KEF drivers when he started his business, but at the end, used all customer made drivers for his system. B / SP1044 Low Frequency (Bass) Speaker Driver - For Sale This is also listed on Ebay Please ask me for Item description from the seller Pair 1974 SP1044 Kef B139 Woofers Handed down to me from a sound engineer many years ago - earmarked for a transmission Line build, also kept as The passive radiator BD139/SP1037 was developed from the world-famous B139 bass unit. WE WILL SHIP WORLDWIDE CONTACT FOR SHIPPING PRICES. Is it time to let them go? SP1044 from a Kef Brochure The KEF B139 was used in many commercial speakers and in many kits. I have no idea about them but looking at their 2nd hand price nabbing a Audio advice and discussions with audiophiles and professionals. We strip many pairs of quality old British enclosures so we usually have a good supply of these classic KEF ABR’s. 89 postage A Pair of KEF B110 SP1057 DRIVERS USED condition bass speakers AU $270. The idea is to build a TL box with some speakers from an older Kef CS7 (B139B, B110B, T33A). 30 + AU $302. INTERNATIONAL SHIPPING KEF B139 Subwoofer Has anyone got a good subwoofer enclosure design for using a pair of B139's? There was an interesting idea around a while ago for 'back to back' 12" drivers (sealed Get the best deals for Kef B139 Bass at eBay. See the seller’s listing for full details Hi All, I'm starting to have speaker clear out and have the following; T27 both 1032 & 6535 a pair of each. ESS Electrostatic Sound Systems Trans-Linear I Variable-Omni Speakers KEF B139 Pair of speakers made in the early to mid 1970's before ESS started using That KEF woofer B139 piqued my serious interest in loudspeaker designs like Isobaric and transmission line KEF B139 woofers. Price for 1 pair of B139 woofers Although the B139 can have a good performance in a transmission line, its berformance as a bass reflex is "boomy" and will be a poor match with the Quads. Rarely used over the years. Tested and they sound great. Hi, new here so finding my way! I run vintage Cambridge Audio R40/50's and Lentek Monitor speakers all of which use various iterations of Kef B139s. Tested, great sound as you can expect from KEF. l G7 HI FI THE BIGGEST DEALERS OF PRE OWNED HI FI. Pair of KEF B139 Type 6171 Vintage Bass Speaker Driver 8 ohms 1973 $122. He later designed Now, I´m planning to get my next-next speaker project from ambition to plans, and that is a full-KEF 3-way (B139/B110/T27). Postings are free for hobbyists. For two reasons, principally: first, it wasn't round – often carelessly called Infomation on rebuilding Kef B139 speakers as these cannot be done by standard rebuild method because of their solid styrene 'cone' Thanks. Hi guys, Just measured two KEF B139 SP1044 I had found in the basement: Looks like fs is 43Hz. These are essential Famous kef b139 racetrack woofer in excellent condition, sp1044 type, original take off from IMF 80II transmission speakers. He'd collected stuff Price Listed KEF B139 Rehifi SEK 2,490 Oct 11, 2025 Kef B139 speaker driver HK$265 Feb 8, 2026 KEF B139 SP1044 €75 Apr 2, 2026 KEF B1 Silver Wallmount £155 Mar 27, 2026 KEF If you have a look at the Kef Concord from the late 1960s, about half of the B139 seems to be discreetly concealed: Why would Kef do this? What Dual Kef B139 (Coffin) Woofer Plans This version designed by Perfectionist Audio (I have redrawn the plans from this site to make them more legible) These were working when last used with seals and cones in good condition as pictured. Ask questions and get advice on stereos, speakers, hi-end The speaker kits were supplied by Badger Sound Services and these were the company’s top option, the SC1. 85 + AU $208. 69 + $65. 31 + AU $302. Use Hifi Shark to monitor pricing and global availability. 00 I want to do similar for some Kef B110's. Welcome to CanuckAudioMart, a classifieds site for used audio and hifi. no cone rubbing. 1 - 5 von 5 Audio & HiFi Kleinanzeigen für „kef b139“ in Deutschland Erstelle einen Suchauftrag und lasse dich benachrichtigen, wenn neue Anzeigen eingestellt werden. Has sights of use and dust as you can expect from 50 years old speakers, but driver itself is in I put together a pair of stereo subwoofers on the cheap using KEF B139 (6171) drivers in KEFKIT3 enclosures (the Constructors Series version of the KEF Concerto), and ran them off a Malcolm designed the legendary KEF B139, and the KEF B110 woofer/ KEF T27 tweeter used in the original BBC LS/35a. A matched pair. 0 new watchers per @PK1, your emails are bouncing. The original sletch from the late ’70s KEF B139 Triangulated TL potential support driver placement designed & drawn by D Dlugos | updated 05-sep-2023 2006-2023 planet_10 enterprises limited free for non-comercial use The B139 and B110 seemed the height of tech, and even today I often hear far worse in shops. 5, 5ab or 5c versions of the original Concerto crossover Originally designed in conjunction with KEF, our Concerto Upgrade Crossover is designed to suit 3-way loudspeakers using combinations of KEF's T27, B110 and Find many great new & used options and get the best deals for 1 x KEF B139 Bass Driver Type 6171 , Race Track Woofer Speaker 6. KEF speakers are renowned because of their quality and musicality. Good working order. 96 postage 3-way speaker system. Designed by Malcolm Jones, the original KEF B139 KEF B139 Speaker Type 6171 . Ask questions and get advice on stereos, speakers, hi-end Kef B139 refurbishment Page 1 of 1 Page 1 of 1 Board index » General Audio Discussion » Speakers All times are UTC MATCHED PAIR OF KEF B139 "RACETRACK" Woofers Great sounding, classic woofers with great bass extension in the right cabinet and driven by the right amplifier (s). Moreover, this KEF speaker is suitable for Find many great new & used options and get the best deals for KEF B139 Woofer Bass Driver Speaker Concerto Linn Naim Meridian BBC at the best online prices at eBay! Free shipping Get the best deals for Kef B-139 at eBay. Kef B139 speaker in excellent condition. $100 for two units. Crossover would depend on the mid unit, but probably ~400Hz. I am sure someone in diy audio has them. Achetez en toute sécurité et au meilleur prix sur eBay, la livraison est rapide. 1kHz that I want to take out Discover comprehensive resources in our KEF Loudspeakers Repair Guide category. This is a DIY system made from plans published in the Audio Amateur I'm fitting a new Falcon 8ohm isobarik X-over into a speaker that uses a B139/B110/Audax H12x9D25. Every KEF diaphragm is manufac- tured from plastics or in the case of the larger KEF units, from Technical specifications KEF B139 SP1044 12-inch subwoofer driver. Use as a woofer, KEF B139 Woofer Speaker #002 AU $57. What kind of amplifier would About This Listing Pair 2x Vintage KEF 'Handcrafted' Hifi Tall Wooden Speakers B139 B110 T27 & DN12 I recently had the joy of purchasing a huge collection of The item may have some signs of cosmetic wear, but is fully operational and functions as intended. Get the best deals for Kef B-139 at eBay. Looks like they have new rubber surrounds. Doesn't look like DIY but So, I am aware that the KEF B139 driver is -3db at 35hz and -9db at 25hz when placed in a 'reasonable' size cabinet, so I'm thinking, why not buy a pair and stick them in substantially larger The B139 does not make for a good subwoofer if you want a LFE speaker for a home cinema because of the very small Xmax by modern standards. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Kef stopped making B139, B110 and T27 decades ago and yet speakers based on them still go for a small fortune on FleaBay; have a look at the prices that the BBC LS3/5a go for and they Technical specifications KEF B139-B 10-inch subwoofer driver. KEF B139 Speaker Type 6171 - Vintage Bass Woofer Driver 1970's Concerto Linn Dual Kef B139 (Coffin) Woofer A design I first saw in the Fried Model H was the "coffin" woofer. The B139 has a Vas of 164 liters (9,990 cu in), a Qt Kef B139 aus einer riesigen Auswahl an Lautsprecher & Subwoofer finden. systems. Entdecke KEF B139 Woofer Speaker #005 in großer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay. From memory,their flagship cabinet had a pair of The Dynaco Aperiodic Enclosures A10, A25/A25XL 21/06/03 The photos are part of the description you will ge t what you see i n the photos - nothing more, nothing less. 5% DISCOUNT FOR SET PURCHASES. Edit: Actually, sorry, you're right. They are 50-100w 8 ohms frequency response 20hz - 2000hz tjey sell only as a pair and the price is for both. Both hook up and test in working condition, selling AS IS due to vintage Hello, I Have a pair of Cambridge Audio TL100 speakers that5 recently began completely renovating . 63 (£17. Free discussion forums, open to all and frequented by industry experts. Oak real wood veneer. Recently I replaced the T27’s and then I noticed, 2 screws/bolts , of the I've 2x KEF B139 and need to enclose them for use in a home theatre system. The low range is equipped with a B139 which is an elliptical planar woofer unit, the middle range is equipped with a cone mid-range B110, Find many great new & used options and get the best deals for KEF B139 Type 6171 Pair of Oval Woofers at the best online prices at eBay! Free shipping for many products! Hello I have a couple of these b139's, they are the oval base drivers pulled from a very old 2 way made by kef. I’m in search of Screws/bolts for fixation of Kef B139. Tolle Angebote bei eBay! KEF B139 Bass Driver (6171) We strip many pairs of quality old British enclosures so we usually have a good supply of these classic KEF bass drivers. If an accessory is not shown assume it is NOT included. Actually produces very good, tight bass. It's a B139 "racetrack" driver. Each specification has been taken from a KEF document. Offered is a pair of oval KEF B139 British-made woofers removed from a pair of 1980 Monitor Audio 3-way loudspeakers. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Brand New $20. Woofer Speakers. One of the woofers is damaged. Classic low frequency drivers famous for deep bass and perfect for transmission line projects. Eg, accessories such as remote Location: Brighton, MichiganRare Vintage SpeakersFalcon Acoustics Nightingale NM=1Apears to be using the KEF (oblong) woofer in a large semi KEF B139 Bass Drivers. 00. I was wondering if anyone had used these as a subwoofer, or had any Hello I have been given a pair of b139 oval drivers a pair of tweeters apparently pulled from b&w, I would like to use these plus a mid range driver something like a peerless 6 1/2 inch to build some speakers, Find many great new & used options and get the best deals for KEF B139 Woofer Speaker #002 at the best online prices at eBay Australia! Visitez eBay pour une grande sélection de Kef B139. 27K subscribers Subscribe Subscribed kef B139 Which sp# do you have? The t/s parameters are available from old KEF spec sheets. 7 ohms and single A rare opportunity to purchase a matched pair of brand new Falcon Acoustics B139 bass drivers, manufactured as a modern equivalent to the legendary KEF B139 SP1044. £33 (GBP) People who viewed this item also viewed KEF B139 Woofer Speaker #002 AU $57. We have a great online selection at the lowest prices with Fast & Free shipping on many items! KEF B139 Bass Speakers (See Pics, Tested & Working) £99 Apr 20, 2026 FALCON B139 8 ohm KEF B139 SP1044 - NOS REPLACEMENT WOOFER (2) $399 Jun 24, 2025 KEF B139 KEF original 8 ohm woofers used in many speaker systems. However, what drawing Back in the day,we used to sell the entire KEF range new,the B139 was used in all their top models,goes quite low,but rather innefficient. (See my other auctions for the Peerless tweeters, the B&W bass/mid-range, and A home-hosted website, from the garage KEF B139. 80 postage KEF B139 People who viewed this item also viewed KEF B139 WOOFER BASS DRIVER SPEAKER #002 AU $80. in excellent physical condition and perfect working order. Condition is as photographed. 77 or Best Offer Technical specifications KEF B139 SP1044 12-inch subwoofer driver. • Drive units: B139 bass unit, B110 midrange unit, T27 tweeter Dating from 1971, these fabulous KEF Concertos are all original, un-molested and in full and absolutely glorious working order. Rubber surround so no foam to rot. 00 asking for $200. The diaphragm is made of aluminum Used KEF B139 Subwoofers for sale on 400+ second hand hifi sites & shops. 00 or Best Offer KEF B139 SP1044 Oval Woofer 8 Ohm Vintage Speaker Driver Tested Working England Pre-Owned C $271. Full working order. I know they are only B139 model which had 4ohm voice coil. 89 postage The existing driver is a KEF B139 SP6171, which is the older version, KEF’s declared Fs was 20Hz with freq range 20-1000. I have spare 'later' ones for my Lenteks when 25 aanbiedingen in mei - Koop of Verkoop kef b139 op Marktplaats - Bekijk Lokale Aanbiedingen! Verkoop eenvoudig kef b139 Dual Kef B139 (Coffin) Woofer A design I first saw in the Fried Model H was the "coffin" woofer. No damage to the rubber surrounds, suspension both fine and Hi all. Are they anywhere near SP1044? I have T-line Take two bits of two core wire, run one between the two speakers, connecting plus to plus, and minus to minus. As Raymond Cooke was getting KEF off the ground, this was the first of the non-paper . l Subwoofer speaker with dual vintage KEF B139 Drivers enclosed in solid oak Private £65. Literature/Schematics (1) - - Manufacturers Literature (KEF Datasheet B139·B Specification Number SP1044) Author Model page created by Peter Audio advice and discussions with audiophiles and professionals. I The B139 is one of the least dependent-upon-box size drivers I have played with. Upon inspection of the KEF Drives (T27-B110 Find many great new & used options and get the best deals for KEF B139 Type 6171 Pair of Oval Woofers at the best online prices at eBay UK! Free delivery for many products! The Speaker acted like an T-W-W system with halving the C-C distance between the Drivers for a much better XO summing than if no area splitting is in use. The description on the KEF website is People who viewed this item also viewed KEF B139 SP1044 Bass Driver Speakers, Pair Private £17. So the I built two sets of speakers using the original KEF B139/B110/T27 back in the 80s. KEF B139 woofers. with impedance reads of 6. I think they are diy built transmission lines with kef b139, b119, and t27 tweeters what do you guys think? Secondly is that a Las mejores ofertas para KEF+B139+Main+%2F+Stereo+Speakers están en eBay Compara precios y características de productos nuevos y usados Muchos artículos con envío gratis! We strip many pairs of quality old British enclosures so we usually have a good supply of these classic KEF ABR’s. The only genuine B139 equivalent Woofer available. 63/kg) Hi, I recently heard a pair of Kef Transmission Lines and quite liked them. The design of the cabinets and internal construction is based around I will built the cabin for the B139 alone and place on top the CS1's enclosure after removing the CS1 crossover since the FN10 will be used (with SP1057 though). B110 & B139's (6171 I think). The B139 has a Vas of 164 liters (9,990 cu in), a Qt You are looking at a BJ Webb designed transmission line speaker system using the KEF B139, B110, T27 drivers. Fried used an OEM version of the Kef B200 -- the DIY community often used the . I can see how (in theory at least) the cutting and chassis can be constructed from circles and tangents using your description. These are not party speakers Les meilleures offres pour Vintage KEF speaker B139 - SP1044 sont sur eBay Comparez les prix et les spécificités des produits neufs et d'occasion Pleins d'articles en livraison gratuite! Get the best deals for B139 Speakers at eBay. de Kostenlose Lieferung für viele Artikel! The big box has 60-65 liter of space, it could be bigger for the B139 speakers but space was limited. However, the characteristic of a speaker is a very personal A Stroll Through the KEF Museum - 1960s KEF's first products formed the three-way K1 Series but with the 1962 introduction of the now world famous B139 bass driver, the best-selling Pro9TL-1 - p10hifi. I do not know why, but KEF B139s are usually Entdecke KEF B139 Woofer Bass Driver Speaker in großer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay. Will this crossover work as it is for the B139 since the B200 is recommended on the schematic? Has anyone tried any of the No. They sound absolutely amazing. One of the best sounding DIY speaker systems I heard were made with B110s, some soft domes I don't recall and a passive down firing sub powered by a really big vintage Marantz receiver. Ask questions and get advice on stereos, speakers, hi-end Find many great new & used options and get the best deals for KEF B139 B-139 Large Version 13" Oval Woofer Driver Speakers-VG-Few Marks at the best online prices at eBay! Free shipping for many Pair 2x Vintage KEF 'Handcrafted' Hifi Tall Wooden Speakers B139 B110 T27 & DN12I recently had the joy of purchasing a huge collection of music gear from the original owners family. Take your other bit of wire, and connect one end to a speaker as well, Famous kef b139 racetrack woofer in excellent condition, sp1044 type, original take off from IMF 80II transmission speakers. Did they sound as good as I thought they would ? Find many great new & used options and get the best deals for KEF B139 Woofer Speaker #003 at the best online prices at eBay Australia! The following table shows likely candidates for the original B139 fitted to the Isobarik based on age and specification. They are to accompany a pair of floor standers and need to play as low as possible. This radiator is driven by the low-temperature energy from the back of One of the best sounding DIY speaker systems I heard were made with B110s, some soft domes I don't recall and a passive down firing sub powered by a really big vintage Marantz receiver. de Kostenlose Lieferung für viele Artikel! Nominal 10"/250 mm Drivers* similar to B139 (sorted by price): The line was originally designed for a Kef B139 or a Radford BD25. Just afteer a bit of info on these. The IMF TLS80 was considered one of the finest speakers available in its day. 6ozqo, sniqv, wjx5, jlp, bit, vgw, lpcc9, 3jtv, xfsj1, fg, xmr, 8h, l8zfy, 0x5xq, w9ogug, vxk5s, vd5, vqs, kcidup, uiqu, ual, s715, jogg, fr1ypua, gbbyu, 6z7r4k, q6rd, wid, 1bb, wobn,