Kef Crossover Repair

9 kHz for the tweeter/ The speaker can generate levels up to 115 dB and has a 90 dB sensitivity (ref: 2. 17: Crossover schematic for KEF 105. The 1980s were notable for best selling budget speakers such as the Coda II, the implementation of advanced technology in Reference Series models such as the legendary 104/2, the mightly KM1 studio monitor and the introduction of Uni-Q which was to become KEF's key technology to the present day. Find many great new & used options and get the best deals for NOS - Vintage KEF X-Over Crossover SP2136X SP 2136 A KEF Electronics Limited at the best online prices at eBay!. Buy KEF Home Audio Speaker Crossovers and get the best deals at the lowest prices on eBay! Great Savings Free Delivery / Collection on many items. A subwoofer, by design, is made to handle the frequencies that make your main speakers want to cry for their mamma. Give KEF a call on 01622 672261. You may also like 10" Foam Surround Repair Kit to suit Kef Speakers Kef 107 B250 (FS 233-205. If the latter then that's not the speaker cabinet I have what are basically the original of these speakers but made in the 70's with old Kef units (T27, B110, B139 and, iirc, a Coles super tweeter (4001?)) and missing the angled panel in the back at the bottom which the crossover is attached to in that picture. Graphic Equalisers. I have a pair of Kef 105/3 with non working lf drivers. I get the impression that Falcon Acoustics are huge fans of the LS3/5A (B110 & T27), to the extent of manufacturing their own version of the B110 and offering a Morel tweeter as an alternative to the T27. Shop online for Speakers including Wireless, Bluetooth, 5. But, as I said, tastes have changed and I would still suggest you audition a few models that are available. You are bypassing the crossover. And for your piece of mind and protection, your purchase is covered by a full 5 year parts and labor warranty (1 year on electronics) valid at any authorized KEF repair center (you can look-up locations online here or call 732-683-2356). Also the concave shape of the outer rubber ring was flattening and stretching. Balanced crossover, cabinet & drivers. Component crossovers. The twinned pairs of bass drivers are mounted in discrete chambers separated by an internal partition. Classic KEF Spares Free Postage & Packaging with the UK!! Click the image(s) for full product information and price. 2) Does anyone have the schematic drawing for the crossover's of the KEF 105. One crossover is fine, the other crossover doesn't work at all (I tested the drivers by swapping the good crossover so I know they're fine). How does th. Hi, In my easy listening room, I have a pair of Kef Concerto's driven by a Kenwood Supreme 500. Lots of wear and tear present, tried to show everything in the pictures, viewing accepted before the end of the auction. Note: When a capacitor begins to dry out it is losing its wetting agent. Non-polar electrolytics are known to age or dry out over time and adhesives can lose their grip. My vote went for KEF. Loudspeakers. If the woofers work well now, it could be/likely is the crossover. I can only assume that, if you want Kef to carry out the repair, they are charging £50 to put you off as it is a simple job that any dealer with a screwdriver can do. At a minimum, a crossover ensures that the high-frequency. 4 out of 5 - 3 reviews - audioreview. REPLACEMENT CAPACITOR SET FOR KEF 104/2. 53; Save kef crossovers to get e-mail alerts and updates on your eBay Feed. The 1980s were notable for best selling budget speakers such as the Coda II, the implementation of advanced technology in Reference Series models such as the legendary 104/2, the mightly KM1 studio monitor and the introduction of Uni-Q which was to become KEF's key technology to the present day. Unless you have a good quality LCR meter to measure what you're taking out, so you can replace it with the exact same value - don't. Vintage Hi-Fi speakers with crossovers? (how to test?) Never seen in crossover mounted fuses, and KEF does not do that. I can only assume that, if you want Kef to carry out the repair, they are charging £50 to put you off as it is a simple job that any dealer with a screwdriver can do. If my old mind doesn't fail me, it had a very flat response curve with excellent bass. Buy KEF Home Audio Speaker Parts & Components and get the best deals at the lowest prices on eBay! Great Savings Free Delivery / Collection on many items. Search by popular brands such as Accuphase, Hegel, Krell, Luxman, Mark Levinson and Sonus faber, and by categories like floorstanding speakers, integrated amplifiers, speaker systems, turntables and more. 25-inch Uni-Q driver arrays for distortion-free treble and premium crossovers that deliver rich, clean bass. The speakers are not for all genre like electronic, heavy metal or rock but its perfect for jazz, classical and best when used for vocals. DC Boultons offers a loudspeaker re-cone and repair service, and has done for decades. I did reed the review here from Pete R, where he describes what he did: The reason that I''m throwing in my two cents is because a couple of weeks ago I decided to upgrade the capacitors and resistors in the crossovers. Our expert team is equipped to professionally provide speaker reconing, refoaming and releading of loudspeakers, subwoofers and woofers, re-diaphragming of tweeters and compression. Electronics > Repair. Lots of wear and tear present, tried to show everything in the pictures, viewing accepted before the end of the auction. I doubt very much they can repair these nowadays, but I think they know of a place that recones KEF Reference, so they may repair crossovers too. Enter the KEF Muo, a wonderful little. KEF engineers computer-modelled the ideal crossover networks before exhaustively auditioning every high grade component, individually and together, to select those with the lowest distortion and the smoothest response. Inductors should be air. I've done surgery on about a dozen pairs of speakers by simply upgrading the crossover components and wiring. In the other pair, one speaker has no output to the woofer. Available in 5% or 2% Tolerances (2% in limited supply). Also there is a story on the web about Kef and the Alcap caps. Unless you have a good quality LCR meter to measure what you're taking out, so you can replace it with the exact same value - don't. PRICED PER PAIR. The twinned pairs of bass drivers are mounted in discrete chambers separated by an internal partition. Estamos seguros de que el Kube-1 le proporcionará un sonido de calidad y de altas prestaciones durante muchos años. Browse the multiple links to the right to find the system that best fits your needs. Setting subwoofer crossover when sub out on receiver has no contr Instant Repair Help over the Phone First of all the KEF is a powered sub which means that it. Search 68 Honda Used Cars for Sale in Bang Lamung Chon Buri Thailand. Vintage Hi-Fi speakers with crossovers? (how to test?) Never seen in crossover mounted fuses, and KEF does not do that. Kube 107 Kube 200. too many damn drivers and despite being efficient you need a lot of dampening to control those bandpass woofers. If you know these, that's $400. Buy KEF Home Audio Speaker Crossovers and get the best deals at the lowest prices on eBay! Great Savings Free Delivery / Collection on many items. Most parts are in stock. The crossover was very sophisticated at it's time. Unless you have a good quality LCR meter to measure what you're taking out, so you can replace it with the exact same value - don't. The Cadenza pair I was interested in has been sold. Read product specifications, calculate tax and shipping charges, sort your results, and buy with confidence. KEF engineers computer-modelled the ideal crossover networks before exhaustively auditioning every high grade component, individually and together, to select those with the lowest distortion and the smoothest response. Pro Audio Loudspeakers, Car Audio Speakers, Amplifiers, Tweeters, Drivers and More. The R Series, as a whole, has trickle down technology from the KEF Blade. Knowing how the brain perceives sound, KEF engineers have perfected a way of beaming the sound upwards so that it’s reflected by the ceiling to replicate the vertical dimension in Dolby Atmos recordings. Vintage Hi-Fi speakers with crossovers? (how to test?) Never seen in crossover mounted fuses, and KEF does not do that. It doesnt seem like I can get a recone kit for these drivers. We repair KEF speakers using the original manufacturer’s replacement parts when available. mid units intact and working, passive units intact and working, hf units not working as far as i can tell. We offer speaker repair services to customers nationwide. for your crossover, and it will show a schematic diagram of the crossover. + Imaging of the Q30 of course was unique as e stereo image was really wide and stable. It was also the first KEF speaker to use a coupled-cavity woofer alignment. Vintage Hi-Fi speakers with crossovers? (how to test?) << < (3/6) > >> CatalinaWOW: What are your pas fail criteria for these speakers? I have never seen a crossover failure in old speakers. Stirling Broadcast offer an LS3/5a repair kit based on the Monacor drive units that are often touted as a drop-in replacement for the main drive unit of the LS3/5a - the B110. Upgrading KEF 104/2 Cross Overs. Where can I get a crossover network schematic? - KEF Audio Players & Recorders question. [13] The KEF B110 SP1003 is a 110mm speaker with a doped Bextrene (a proprietary type of polystyrene copolymer) cone and a neoprene surround. The all-new Confidence takes Dynaudio’s most celebrated audio technologies to startling heights with new materials, techniques and technologies. Hi, In my easy listening room, I have a pair of Kef Concerto's driven by a Kenwood Supreme 500. Original manufacturer warranty applies. Passive Vs Active Crossover Networks November 14, 2016 By 1sixty8 Leave a Comment To optimize the performance capabilities of a speaker , it should operate within the frequency range for which it was designed. Classic KEF Spares Free Postage & Packaging with the UK!! Click the image(s) for full product information and price. Perfectionism takes time, but the difference is clear. Each set comprises 2 pairs of 16 no. I have tried a number of leads including contacting KEF, needless to say I have come up empty handed each 18: Re: KEF 105/3 Expert (13. This is the main reason why we do not offer any kind of 'Click & Buy' or 'Shopping Basket' with. The Cadenza pair I was interested in has been sold. Having your speakers reconed you can bring your old or damaged speakers back to life. Many older crossovers used cheaper parts such as electrolytic caps which tend to lose their effectiveness over time. There's no other way to say it: KEF makes high quality speakers that perform as well as much higher-end gear. KEF 107 - opening them? + other questions. Amazing reference quality speakers from Kef. 4 reference speaker. Browse our daily deals for even more savings! Free shipping on many items!. It doesnt seem like I can get a recone kit for these drivers. We offer speaker repair servicesto customers nationwide. with KEF’s Uni-Q time-correcting DSP crossover designed to sync. If you know these, that's $400. Our expert team is equipped to professionally provide speaker reconing, refoaming and releading of loudspeakers, subwoofers and woofers, re-diaphragming of tweeters and compression. Perfectionism takes time, but the difference is clear. The linked schematic for the KEF K2 Celeste crossover DN8 type 6305 was supplied by Colin Royle (17 October 2005). Warranties apply to the original repair only, physical damage, shorted outputs in Stereo, abuse, power surge, lightning, are not covered. the problem with the KEF's i bought is a torched tweeter and the 8" drivers are crumbling on the inner edges. Original tweeters do not work and possibly due to broken lead to voice coil. October 5-7, 2018- NOLA will demonstrate the production version of the new Metro Grand Reference Gold 2 at RMAF 2018Oct 5-7. Kef advised that I swap the driver over and test it (with a good amp) which I did, and the driver unit is definatley at fault (this test was to rule out a crossover problem). Falcon Acoustics CLASSIC 15 OHM LS3/5a THE ONLY GENUINE LS3/5A IN PRODUCTION. We repair KEF speakers using the original manufacturer’s replacement parts when available. 5 MB) - I will stitch these scans and repair this issue, but it's readable and usable for now. The linked schematic for the KEF K2 Celeste crossover DN8 type 6305 was supplied by Colin Royle (17 October 2005). Discussion threads can be. Inkfrog terapeak inkfrog analytics. My question is if anybody knows what the crossover frequency for the lf drivers? can't find it any where. Clever engineering and excellent build complete the package – read the review at What Hi-Fi?. I will still be recapping the crossovers, but at least I knew I had another issue entirely. They said these woofers worked great and would recommend them as a good replacement. I would suggest you go back to your dealer and ask them to contact Kef and request a replacement back panel for your subwoofer. Search and compare second hand Hifi equipment from 400+ sources world wide. Large bulge on the top of themI have 115 plus dc going into that top board and only 0. Hi, In my easy listening room, I have a pair of Kef Concerto's driven by a Kenwood Supreme 500. as you know the kef 104/2 tweeters lose their spl over time. 2's constant resistance was achieved with the aid of KEF's extensive computer-aided design and engineering facilities, which were able to design impedance-correcting networks for each driver as well as the frequency-shaping and level-matching networks needed to perform the crossover functions. The KEF LS50 Wireless are a thrilling step into audiophile sound -- in our review, maybe the best performance we’ve experienced in a bookshelf speaker. We offer speaker repair services to customers nationwide. Eminence produce a wide range of loudspeaker crossovers that can be used in conjuction with any make driver. 2 Network amp with power to spare, just plug it in. With added refinements to the drivers and crossover network, the 101 found a new lease of life and continued to be a strong product for KEF in the bookshelf monitor sector. 2 is one of the few surround speaker packages to coax audiophile sound from lifestyle-friendly The sub doesn't have a volume control or crossover network; those. The 1960s was a hotbed. WAM Engineering experimented with the Seas Prestige CA26RFX (H1305) as a replacement for the 10" woofers in the Kef 107 speaker. Speakers user manuals, operating guides & specifications. Dan the sales manager at KEF told me to set up the sub itself with the crossover set full out to 140Hz and to do the crossover at the app. way-active-crossover-circuit-diagram. The iQ3 is the larger of two iQ standmounts, and is based on a solitary 165mm Uni-Q drive unit - an exclusive KEF coaxial design - to handle the bass, midrange and treble. hi, sounds like the x-over is either damaged or has been bypassed or perhaps the all the wires in the speaker are wired up incorrectly , IE tweeter getting bass feed ,bass getting tweeter feed etc,if you have an old mid bass drive unit laying around try connecting it up to the tweeter feed wire in the speaker and have a listen ,if there is a x-over issue then the mid bass unit wont get damaged. You are bypassing the crossover. Be respectful, keep it civil and stay on topic. KEF engineers computer-model the ideal crossover network before auditioning every component, individually and together, to select those with the lowest distortion. And for your piece of mind and protection, your purchase is covered by a full 5 year parts and labor warranty (1 year on electronics) valid at any authorized KEF repair center (you can look-up locations online here or call 732-683-2356). Each set comprises 2 pairs of 16 no. We offer speaker repair services to customers nationwide. The KEF R Series is the British speaker-maker's first collection of loudspeakers to integrate some of its most recent innovations, principally those in the ground- breaking $30,000 Blade (Issue 222). Speakers and Headphones What turns electrons into something you can hear? Speakers and cans, man! This is the place to talk about your tranducers. The linked schematic for the KEF K2 Celeste crossover DN8 type 6305 was supplied by Colin Royle (17 October 2005). Crossover Basics. We offer a broad selection of products from Naim Audio, Rega, Luxman, PrimaLuna, ATC, Spendor, ProAc, Harbeth, Pro-Ject, Music Hall, Parasound, Cambridge Audio, Marantz, Kanto, Ortofon, Grado, Chord Company, KEF and more. When I bought my KEF 107 back in 1987 in England I felt great, as the most important part of my system was brought bck to Athens in Greece. This would cause the system not to send a signal to the horn. We offer speaker repair servicesto customers nationwide. Getting the correct subwoofer settings for home theater will involve setting each component properly so they work with each other—not against each other. 3's for a song. Component crossovers. Here the simple passive schematic diagram of audio crossover: Loudspeaker System Crossover Network Notes: Capacitor must be non-polar capacitor types with a voltage rating of 50 volt or more (preferably 100 volt). These KEF bookshelf speakers minimize resonance for excellent audio quality, and they're finished with durable white vinyl for a modern look. ’ One (1994-99) ‘… a three-way floor standing system with a single unit coupled cavity bass section. Same day shipping on all in stock items! 888. We offer a complete speaker repair and restoration service. Make sure that the speaker is plugged in and ready to play. 25-inch Uni-Q driver arrays for distortion-free treble and premium crossovers that deliver rich, clean bass. There's no other way to say it: KEF makes high quality speakers that perform as well as much higher-end gear. One crossover in each pair has an issue. …specialised in Audio Hi-Fi Equipments made by KEF … Almost all of our IQ9 + Q5 Speaker Repair Wells are processed within 3-5 working days while also offering express repairs. KEF engineers computer-model the ideal crossover network before auditioning every component, individually and together, to select those with the lowest distortion. Shop Springfield Speaker Repair. I have since decided to clean and reapply fresh ferrofluid to the NT25 tweeters. What We Do. Chose not to repair but add a heavy duty one inch 4 ohm dome tweeter and crossover which could handle much higher loads. 78 AUD Inc GST Add to cart JBL Replacement Diaphragm to suit 2450H, 2446H, 2447H & 2451H – 8Ω $ 98. Crossover KEF engineers computer-modelled the ideal crossover networks before exhaustively auditioning every high-grade component to select those with the lowest distortion and the smoothest response. One crossover in each pair has an issue. I don't want to modify my speakers if I can avoid it. Learn about the benefits of tire alignment, the average prices, and the signs that it's time for an alignment. The linked schematic for the KEF K2 Celeste crossover DN8 type 6305 was supplied by Colin Royle (17 October 2005). 53; Save kef crossovers to get e-mail alerts and updates on your eBay Feed. The measurements indicate a stellar speaker, nevermind the fact that it's a legitimate concentric driver (as opposed to other coaxial drivers with sub-par performance). Definitive Technology Subwoofer Repair MN, WI, IA, SD, ND We guarantee our COD parts and labor for 90 days. With care. I thought it was time I did a write-up on my KEF 103. We offer a broad selection of products from Naim Audio, Rega, Luxman, PrimaLuna, ATC, Spendor, ProAc, Harbeth, Pro-Ject, Music Hall, Parasound, Cambridge Audio, Marantz, Kanto, Ortofon, Grado, Chord Company, KEF and more. Por favor, lea este manual antes de intentar conectar y poner en funcionamiento el altavoz. 3's for a song. 4 out of 5 - 3 reviews - audioreview. 5 MB) - I will stitch these scans and repair this issue, but it's readable and usable for now. Their T27 replacement options are a joke, picked on sensistivity. I've done surgery on about a dozen pairs of speakers by simply upgrading the crossover components and wiring. i liked my old 104/2, but they are just so complex. DIY Audio & Video Tutorials, FAQs, Calculators and Examples for Speaker Boxes. Hi, In my easy listening room, I have a pair of Kef Concerto's driven by a Kenwood Supreme 500. Upgrading KEF 104/2 Cross Overs. for your crossover, and it will show a schematic diagram of the crossover. How to Hook up a Crossover. 2, I am wondering could “hot rod” x-over help. If a ground loop isn't the issue, move on to check for and repair a blown speaker. Could be the crossover. Crossover KEF engineers computer-modelled the ideal crossover networks before exhaustively auditioning every high-grade component to select those with the lowest distortion and the smoothest response. At the time of this listing there are also four 107 woofers and two 107 head units available. I've done surgery on about a dozen pairs of speakers by simply upgrading the crossover components and wiring. A: You might have a blown fuse, bulb, or defective crossover or component. Passive crossovers use capacitors and/or inductors in between the amplifier and the speaker to block/pass different ranges of frequencies (e. Parts Express stocks superior Film and Foil Capacitors, Metalized Polypropylene Capacitors, and Non-Polarized Electrolytic Capacitors that are suitable for the most discriminating audio applications. I tried contacting KEF and the USA distributor to obtain a schem and/or service data sheet, but its been weeks without a reply. KEF Reference 104/2 105/3 Complete Speaker Foam Repair New-Edge-It ® Kit, Part # FSK-KEF104C This is the EXACT and CORRECT repair kit for the KEF 104/2 105/3 speaker systems. We've found a pair of bookshelf speakers that sound great and can serve for years as the centerpiece of a stereo music system or a multichannel home. These leaflets which supply details for the respective speakers (cabinet construction, crossover and technical specification) were supplied to me in electronic form by Steve Bell on Friday and Saturday 2 and 3 January. Dan the sales manager at KEF told me to set up the sub itself with the crossover set full out to 140Hz and to do the crossover at the app. Crossovers are passive devices (all the pictures of kef crossovers I can find are passive). Figure another $200 for re-applying the dust caps and another $200 or so to repair/upgrade the binding posts with something nice from WBT or Cardas or something. The crossover was very sophisticated at it's time. Wilmslow Audio provide speaker repair services, speaker kits, a range of subwoofer amplifier kit products and loudspeaker kits, loudspeaker drive units and loudspeaker repair services. KEF engineers computer-model the ideal crossover network before auditioning every component, individually and together, to select those with the lowest distortion. There has been a Reference model in the range since the Model 104 of 1973. 83V/1meter). Buy C Crossover now! Crossover PCB for the C-Note Center Channel DIY speaker kit. Learn about the benefits of tire alignment, the average prices, and the signs that it's time for an alignment. Kef Q500ver. ’ One (1994-99) ‘… a three-way floor standing system with a single unit coupled cavity bass section. Illustration. Kef T33A Replacement. At Midwest Speaker Repair, we have have a knowledgeable and professional staff with more than 30 years of experience repairing and replacing home and pro audio speakers. Check out Bizrate for great deals on popular brands like Dayton Audio, Goldwood and KEF. I would suggest you go back to your dealer and ask them to contact Kef and request a replacement back panel for your subwoofer. KEF Reference 1 review: KEF’s Reference 1s are brilliant all-rounders that work superbly across a wide range of music, systems and rooms. There are two kinds of passive crossovers: component crossovers that connect between the amplifier and speakers, and in-line crossovers that fit in between the receiver and the amp. I have a KEF C-40 audio speaker with no output from any of the three drivers. The QX range has striking looks and impressive performance - offering amazing value in both hi-fi and AV set-ups. Custom designed speaker stands for use with the LS50, LS50 wireless, Q, or R Series bookshelf speakers. With many years of experience repairing all types of woofers, high frequency drivers, vintage speakers, and etc. The Model R107 represents the flagship of KEF's Reference Series, and is second only to the Professional Series KM-1 in KEF's product line. In the interim while the KEF was in for repair, I. My question is if anybody knows what the crossover frequency for the lf drivers? can't find it any where. the reason is the 2 visible lf drivers need their surrounds replaced as. i'm a big fan of 1970's KEF speakers. I can only assume that, if you want Kef to carry out the repair, they are charging £50 to put you off as it is a simple job that any dealer with a screwdriver can do. 3 ' (white van speaker scam guys) 3311 Avid 100 speaker parts, Celestion-Rolla-Ditton, Criterion-Lafayette. Occasionally have found connectivity issues around the connection terminals. KEF REFERENCE Series High Gloss Cherry Bookshelf Loudspeakers - 2012HGCH. Speaker Protection Devices at Parts Express. Connect to your tv and all the set up can be done on your tv screen. If the latter then that's not the speaker cabinet I have what are basically the original of these speakers but made in the 70's with old Kef units (T27, B110, B139 and, iirc, a Coles super tweeter (4001?)) and missing the angled panel in the back at the bottom which the crossover is attached to in that picture. Was used in many commercial speakers and in many kits. You are bypassing the crossover. Kef LS50 $750/speaker. Falcon Acoustics CLASSIC 15 OHM LS3/5a THE ONLY GENUINE LS3/5A IN PRODUCTION. Electronics > Repair. In the interim while the KEF was in for repair, I. I love the way they sound, but they have the original crossovers and I'm feeling that they may have deteriorated somewhat since they were manufactured somewhere between 1969 and 1977. Kef advised that I swap the driver over and test it (with a good amp) which I did, and the driver unit is definatley at fault (this test was to rule out a crossover problem). Crossover Repair, Replacement, and Upgrades with Premium Audiophile quality components Polk® Vintage Specialty Services for Monitor, RTA, SDA Series. Browse your favorite brands affordable prices free shipping on many items. Reference crossovers are even decoupled from the cabinet to minimise vibration and crosstalk. Digitally controlled crossover points. Slight physical modifications are made to the Monacor units and a replacement crossover board is provided to tailor the Monacors response to the desired LS3/5a response. Upgrade your home entertainment center with this pair of KEF bookshelf speakers. While I have tried to locate as much information about the history, troubleshooting, and repair of Spica loudspeakers as possible, I do not warrant the accuracy or completeness of the information provided. Knowing how the brain perceives sound, KEF engineers have perfected a way of beaming the sound upwards so that it’s reflected by the ceiling to replicate the vertical dimension in Dolby Atmos recordings. KEF’S new Q50a Dolby Atmos-enabled speakers sit above your existing floorstanding or bookshelf home theatre speakers. Perfection takes time, but the results are plain to hear. As I got them so cheap - Im happy to tolerate a "close enough" approach for bass repair. Read product specifications, calculate tax and shipping charges, sort your results, and buy with confidence. We make great efforts to keep this page up to date but inevitably there will be some delay before items can be marked as sold. The company was founded in 1961 by Raymond Cooke OBE (1925 - 1995) and was initially headquartered in a Nissen Hut on the premises of Kent Engineering & Foundry (from where the name KEF is derived) a metal-working company on the banks of the River Medway, near Maidstone in Kent. Our expert team is equipped to professionally provide speaker reconing, refoaming and releading of loudspeakers, subwoofers and woofers, re-diaphragming of tweeters and compression. 2's suffered a damaged bass unit, which was also showing signs of a buzzing in the bass, which happens when the support of the heavy Bextrene cone sags over time, and is a known problem. Le damos las gracias por haber adquirido el altavoz para graves KEF Modelo Kube-1. kef c-20 Larger than the C10, and therefore able to use a 200mm bass/midrange unit, the C20 showed many similarities to its smaller brother, but with the greater cabinet volume allowing increased bass capability and higher sensitivity. The speakers are not for all genre like electronic, heavy metal or rock but its perfect for jazz, classical and best when used for vocals. Next it's repackaged in a new box with all original accessories included. A family of nine transducers, all easy on the pocketbook, the R Series includes a threesome of. Finally my kef 104-2 are doing great. Get the best deals on KEF Speaker Crossovers when you shop the largest online selection at eBay. This is the main reason why we do not offer any kind of 'Click & Buy' or 'Shopping Basket' with. Klipsch, JBL, EV, Advent, Yamaha, Polk, EPI, Sansui. Discussion threads can be. Discussion threads can be. Removing the drivers revealed the crossover which is a very simple affair , only 3 components - 2inductors and one 4 uF bipolar cap this is very different from the LS3/5 a crossover which has more than 15 components. the reason is the 2 visible lf drivers need their surrounds replaced as. 2, respectively. The KEF R Series is the British speaker-maker's first collection of loudspeakers to integrate some of its most recent innovations, principally those in the ground- breaking $30,000 Blade (Issue 222). Slight physical modifications are made to the Monacor units and a replacement crossover board is provided to tailor the Monacors response to the desired LS3/5a response. Let our speaker repair experts replace and re-foam the ripped, torn, split, broken, worn out, rotted, or deteriorated surround edges on your speakers with brand new surrounds. A crossover is a filter that splits the signal from your amp and sends only specific frequency band to each driver. The former method splits the signal into high and low frequencies before feeding them into separate amplifiers that lead to the speakers, while the latter sends the full-range signal to the amplifiers. my mcintosh MC60s were NOT up to the task. While I have tried to locate as much information about the history, troubleshooting, and repair of Spica loudspeakers as possible, I do not warrant the accuracy or completeness of the information provided. We can refoam speakers by replacing the speaker surround edges on most speakers vintage or modern. 2 is specified as 60 to 20,000 Hz ± 3 dB on axis, with the output down 10 dB at 37 and 30,000 Hz. And to top it off, I'm new to speaker design :-) A couple of questions: - Is it possible to create an external crossover filter and place the tweeter outside the speaker?. How to Hook up a Crossover. 2) Does anyone have the schematic drawing for the crossover's of the KEF 105. Test the horn by hooking it up directly outside the speaker cabinet at LOW POWER. We offer a complete speaker repair and restoration service. The KEF 104\2 is a complex and odd design. Note: When a capacitor begins to dry out it is losing its wetting agent. It's easy to make a great speaker if money is no object. Unless you have a good quality LCR meter to measure what you're taking out, so you can replace it with the exact same value - don't. At the time of this listing there are also four 107 woofers and two 107 head units available. Herstelling en reparatie van KEF luidsprekers,klankkasten en speakers * het vervangen van verstorven en gescheurde rolranden of surrounds * vervangen van afgebroken en gescheurde litze draden * vervangen van verharde ferro fluid * vervangen en herstellen van wissel filters of cross over. Time to recap the 2nd KEF 105. Upgrading KEF 104/2 Cross Overs. If the latter then that's not the speaker cabinet I have what are basically the original of these speakers but made in the 70's with old Kef units (T27, B110, B139 and, iirc, a Coles super tweeter (4001?)) and missing the angled panel in the back at the bottom which the crossover is attached to in that picture. I did reed the review here from Pete R, where he describes what he did: The reason that I''m throwing in my two cents is because a couple of weeks ago I decided to upgrade the capacitors and resistors in the crossovers. KEF’s Reference series is a stalwart and a fixture in our audio business. Our Mission is Simple. After testing new versions of our top and runner-up picks, we are updating those picks to the Q Acoustics 3020i and ELAC Debut 2. Illustration. i'm a big fan of 1970's KEF speakers. At REL we make powered subwoofer speakers for stereo & home theater systems. repair is not cost effective and the sound will not please you. A passive radiator speaker is a simple device that increases the low frequency response (Bass) of a speaker system*. KEF Reference 104/2 105/3 Complete Speaker Foam Repair New-Edge-It ® Kit, Part # FSK-KEF104C This is the EXACT and CORRECT repair kit for the KEF 104/2 105/3 speaker systems. Here the simple passive schematic diagram of audio crossover: Loudspeaker System Crossover Network Notes: Capacitor must be non-polar capacitor types with a voltage rating of 50 volt or more (preferably 100 volt). In the past, there was no option but to replace a dead loudspeaker with a brand new driver at significant cost and hassle. The KEF's did not benefit from the side to side driver balancing that the best speakers of the day used to their advantage. That they would purchase them in big lots. My vote went for KEF. But the seller has a KEF 104\2 which sounds much better than the Cadenzas. Inkfrog terapeak inkfrog analytics. The Speaker Exchange is the nation's leading authorized service center and parts distribution center for speaker repair of all major brands and manufacturers. People who know sound know that KEF stands for engineering integrity, design innovation and phenomenal acoustic transparency. KEF c30 crossover xover PART DIY PROJECT REPAIR SP2058 0 results. But the 104/2 was a new direction for KEF speaker, going for a more-dynamic, more-sensitive presentation. 25" MF drivers. ALCAP 100V, Low Loss electrolytic capacitors and audio grade Polyester capacitors as specified by KEF. I have two pairs of KEF Concertos. The Q350 features the signature KEF Uni-Q driver array with Computational Fluid Dynamics (CFD) port design. Enter the KEF Muo, a wonderful little. Vintage Hi-Fi speakers with crossovers? (how to test?) << < (3/6) > >> CatalinaWOW: What are your pas fail criteria for these speakers? I have never seen a crossover failure in old speakers. "large magnet" SP1054 from a Kef Calinda: The KEF B200 comes in many versions, roughly lumped into classic small & large magnet versions and newer "triangular" front B200s (i have no info on these). We'll also briefly touch on a speaker refoam job. KEF Model 101 is a truly outstanding product of modern loudspeaker technology. * repareren van gescheurde,ingedeukte,vervormde of beschadigde konussen en centreringen * herstellen van. I have read good things about the Falcon Acoustics Kef Concerto (B139, B110 & T27) replacement of Kef's original DN12 crossover. Let our speaker repair experts replace and re-foam the ripped, torn, split, broken, worn out, rotted, or deteriorated surround edges on your speakers with brand new surrounds. Lift out the top cover along with the crossover module. The Bottom Line KEF's KHT-5005. 2's constant resistance was achieved with the aid of KEF's extensive computer-aided design and engineering facilities, which were able to design impedance-correcting networks for each driver as well as the frequency-shaping and level-matching networks needed to perform the crossover functions. The KEF 104\2 is a complex and odd design.