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# KEF/Celestion Subwoofer Repair and Upgrade Service

PSW1000/2000/2010/1150/2150/2500/3000/4000/5000 Kube S8/10/20 R400b Subs Repair Service

## Sitemaps

- [XML Sitemap](https://kefrepair.crazypc.eu/sitemap.xml): Contains all public & indexable URLs for this website.

## Pages

- [Removing Amplifier Plate](https://kefrepair.crazypc.eu/repair/how-to-send-for-repair/removing-amplifier-plate/) - Here you can find more detailed information on removing the amplifier plate for the different KEF subwoofer models.
- [F.A.Q.](https://kefrepair.crazypc.eu/f-a-q/) - Do you provide any post repair Guarantee? Do you repair other than the listed subwoofer models and makes? Do you repair audio amplifiers? Can I drop off to you instead of sending it via courier? Can you repair it while I wait?
- [Feedback](https://kefrepair.crazypc.eu/feedback/) - As a summary, I can say that the service provided by KEF Repair Service is utterly professional, meticulous, reliable, customer centred and ...
- [Spares](https://kefrepair.crazypc.eu/spares/) - Spare Parts I also offer a selection of genuine and hard-to-find spare parts for those who enjoy repairing or restoring their own equipment. Whether you're repairing a single amplifier or restoring a cherished piece of equipment, I'm always happy to offer advice where I can. If the part you need isn't listed, please get in
- [About Me](https://kefrepair.crazypc.eu/about-me/) - I am an Electronics Engineer specialising in audio electronics, with more than two decades of experience covering both professional audio (PA) equipment and domestic Hi-Fi systems. Over the years I have worked on a wide variety of amplifier designs, developing particular expertise in the KEF and Celestion amplifier modules featured on this website. By focusing
- [Repair](https://kefrepair.crazypc.eu/repair/) - Most common faults: 1. Constant buzzing noise (click to hear) - that's probably the most common of all faults and is caused by an overheating following design flaw, which means sooner or later this will happen to each amplifier of these series. Your unit can not just be repaired, but as well modified in a
- [Cold Weather Information](https://kefrepair.crazypc.eu/cold-weather-information/) - Important Warning: Allow Electronics to Warm to Room Temperature Before Use To prevent potential damage to your electronic devices due to condensation or rapid temperature changes: Wait for Acclimation: When bringing electronics from a cold environment into a warmer space, allow them to reach room temperature before powering them on. Avoid Immediate Use: Turning on
- [PSW2010 photos](https://kefrepair.crazypc.eu/preloved/psw2010-photos/) - £85 2. £70 3. £55
- [PSW2500 - £245 - Excellent](https://kefrepair.crazypc.eu/preloved/psw2500-245-excellent/) - Excellent overall condition with very few faint surface marks and blemishes.
- [PSW2010 - £225 - Boxed](https://kefrepair.crazypc.eu/preloved/psw2010-225-boxed/) - Very good overall condition with few surface marks and blemishes visible mainly only under certain angle. One noticeable mark on front side and a small chip to the silver finish on one of top corners as pictured. Top glass is in good condition with few noticeable marks.
- [KEF KHT1005.2 Home Theatre system Eggs Speaker Kit](https://kefrepair.crazypc.eu/preloved/kef-kht1005-2-home-theatre-system-eggs-speaker-kit/) - KEF KHT1005.2 Home Theatre System Eggs Speaker Kit Excellent condition, very few marks if at all noticeable. Professionally tested to confirm full working order, you can be sure that the speakers you receive performs as they should. Includes 5x KEF egg speakers.
- [Used Subwoofers/Amplifiers](https://kefrepair.crazypc.eu/preloved/) - Used KEF Subwoofers and Hi-Fi Amplifiers for Sale
- [Couriers Info](https://kefrepair.crazypc.eu/repair/how-to-send-for-repair/couriers-info/) - Here you can find some info and advice about courier services in the UK derived from my own experience. Last updated: 05/04/2024 Booking through middleman agent like InterParcel, ParcelMonkey or Parcel2Go could give you better price and most importantly - easy way to deal with any issues. Please note: with ParcelMonkey and and Parcel2Go carriage of audio
- [Using your Upgraded Amplifier](https://kefrepair.crazypc.eu/using-your-upgraded-amplifier/) - Post Repair Advice Following is some common sense from technical point of view advice on using your sub-woofer or any other audio amplifier in that matter. Some of it may be obvious, some not so, but having these simple steps in mind would put less stress on your amplifier and ultimately result in better reliability.
- [Repairs Map](https://kefrepair.crazypc.eu/repairs-map/) - Where repaired & upgraded amps live :)
- [How to Check the Speaker](https://kefrepair.crazypc.eu/repair/how-to-check-the-speaker/) - This will show you how to easily check if your speaker driver is still working and not been damaged by the fault with your unit.
- [How to Send for Repair](https://kefrepair.crazypc.eu/repair/how-to-send-for-repair/) - 1. Remove the Amplifier Plate To minimise the cost of postage and for easier packaging, send the amplifier module only . It's very easy to dismantle, if you haven't yet done this, you can find detailed information on how to do that for various KEF subwoofer models on this page - Removing Amplifier Plate Unless
- [Contact Me](https://kefrepair.crazypc.eu/contact-me/) - E-mail (PayPal): info@kefrepair.crazypc.eu Tel: +44 (0)20 3642 5556 or fill-in the Contact Form here (please check your spam/junk folder if you haven't received a reply within 24 hours) Please note, the service has moved from London, SW16 to Kent, TN25 If you're sending an amplifier in for repair, please contact me for full address details.
- [Confirm Despatch](https://kefrepair.crazypc.eu/confirm-dispatch/) - If you have posted your unit, please fill-in the form below, to help us keep track of incoming parcels and ensure we have yours on time.
- [KEF Kube-1 MK2 NEW](https://kefrepair.crazypc.eu/preloved/kef-kube-1-mk2-new/) - Brand new subwoofer that's been part of KHT system kit, but sold separately. Optionally can be serviced free of charged to replace the common to fail bits for these. Cosmetic appearance is like new - has been in storage and taken out of the box for photos and inspection, so may show light signs of being handled.
- [PSW2010 Black – £280 – Boxed](https://kefrepair.crazypc.eu/preloved/psw2010-black-280-boxed/) - UPGRADED BOXED KEF PSW2010 250W ACTIVE SUBWOOFER Fully Upgraded with guarantee on upgrade done. Latest amplifier revision. Excellent cosmetic condition, no noticeable marks. Rarely available in Black. Top glass is in excellent condition. Comes complete in original packaging. You won't be disappointed with this sub, in as close to as new condition you can possibly find it and
- [PSW2010 - £240 - Boxed](https://kefrepair.crazypc.eu/preloved/psw2010-240-boxed/) - Excellent overall condition with very few faint surface marks and blemishes. Couple of tiny chips to the silver finish. Top glass is in excellent condition with no deep noticeable marks and only hairline surface scratches.
- [PSW2010 - £245 - Boxed](https://kefrepair.crazypc.eu/preloved/psw2010-245-boxed/) - Excellent overall condition with very few faint surface marks and blemishes that can only be seen under certain angle. Top glass is in excellent condition with only one more noticeable mark around the centre.
- [Marantz PM-7001 KI Ken Ishiwata Stereo Integrated Amplifier w Remote NEW - £750](https://kefrepair.crazypc.eu/preloved/marantz-pm-7001-ki-new/) - This is virtually new amplifier, which had likely been display unit, hence a few cosmetic imperfections as follows: please see all photos, the biggest one is a long mark on top cover and few little marks around the edges. Other than that, the amplifier is in fact new, checked and confirmed, I have tested it
- [PSW2000 - £175](https://kefrepair.crazypc.eu/preloved/psw2000-175/) - Good Used cosmetic condition. Has some light usage marks. The known to fail capacitors and hot running components inside have been upgraded to ensure trouble free operation. Amplifier plate serviced and guaranteed for all work done. Excellent build quality and design by KEF UK. Comes with original box.
- [Marantz Music-Link MA-22](https://kefrepair.crazypc.eu/preloved/marantz-music-link-ma-22/) - Marantz Music-Link MA-22 Pair Made in Japan Remarkable, beautiful condition. Near perfect, time wrap condition, very minor marks, please see all photos. One of the most sought after Marantz series - MusicLink. Japan Made. Don't miss your chance to own this very rare to find in this condition pair. The Marantz Music Link series was
- [Offers](https://kefrepair.crazypc.eu/offers/) - Neato Robotics D750, Cleaner Premium Pack
- [KEF HTB2SE-W 250W ACTIVE SUBWOOFER Gloss Black w Wireless Transmitter - £480](https://kefrepair.crazypc.eu/preloved/kef-htb2se-w/) - Fully Tested includes Wireless Transmitter Module. Excellent Used cosmetic condition with very few normal usage marks. Please see all photos. Top plate has a few scratches, very usual for this model. Couple of small paint chips on the bottom plate's back side, so not visible from front. Overall cosmetic condition won't disappoint. Comes with original packaging.
- [PSW2010_150](https://kefrepair.crazypc.eu/preloved/psw2010_150/)
- [PSW2500 Silver - £250](https://kefrepair.crazypc.eu/preloved/psw2500-silver-250/) - Fully Upgraded with guarantee on upgrade done. Excellent Used cosmetic condition with very few marks. Comes complete with original packaging.
- [KEF Kube-2 with Smart Connect](https://kefrepair.crazypc.eu/preloved/kube-2-sc/) - Excellent condition, It's an ex-display unit, so in very good, near new condition, comes in original packaging with power lead. Has some minor marks mainly on glossy top being displayed in a store, but in general in like new working condition. Black fabric is in excellent condition, no visible damage. This is the latest SMART CONNECT
- [PSW2010 £170](https://kefrepair.crazypc.eu/preloved/psw2010-170/) - In very good condition all over, apart from a knock on one of the bottom corners as pictured.
- [*SERVICED* MARANTZ PM-7200 Phono Integrated Amplifier Black](https://kefrepair.crazypc.eu/preloved/marantz-pm-7200-2/) - Very good used condition with only few marks. Front is in near perfect condition with only one noticeable mark (please see all photos). The amplifier has been serviced, tested and confirmed to be within the original manufacturer specs. All capacitors on the power module and power supply (except main filter caps) have been replaced with proper
- [*SERVICED* MARANTZ PM-7200 Phono Integrated Amplifier Black](https://kefrepair.crazypc.eu/preloved/marantz-pm7200-1/) - Exceptional, very rare to find in this condition, as close to "new from the shop" experience as possible. The amplifier has been serviced, tested and confirmed to be within the original manufacturer specs. Comes in original box with original user manual in excellent condition and remote control included. Maintenance/repair service for PM7200 amplifiers available as well, contact
- [*SERVICED* KEF Kube-2 Active Subwoofer Black](https://kefrepair.crazypc.eu/preloved/kube-2-2/) - KEF Kube-2 Subwoofer in good used condition. Has been serviced and tested - these have a few known issues and the components inside that are to blame for them have been replaced and upgraded to ensure trouble free operation. Cosmetic appearance is very good - fabric is in good condition with just a one visible mark
- [*SERVICED* KEF Kube-1 Active Subwoofer Black](https://kefrepair.crazypc.eu/preloved/kube-1-1/) - Serviced and in full working order, very good condition.
- [Ask a Question](https://kefrepair.crazypc.eu/ask-a-question/) - (please check your spam/junk folder if you have not received a reply within 24 hours)
- [PSW2010 - £235](https://kefrepair.crazypc.eu/preloved/psw2010-235/) - This unit is in like new condition and it comes complete with original box and user manual.
- [PSW2010 - £210](https://kefrepair.crazypc.eu/preloved/psw2010-210/) - Excellent condition. Minimal usage marks. Small mark on one of the top edges, can be seen on the photos. Comes with original box. Price: £210 excl. shipping
- [PSW2010 - £190](https://kefrepair.crazypc.eu/preloved/psw2010-190/) - Excellent condition, only a couple of small dents.
- [PSW2000 - £160](https://kefrepair.crazypc.eu/preloved/psw2000-160/) - Excellent Used condition. Very few usage marks.
- [PSW2010 - £150](https://kefrepair.crazypc.eu/preloved/psw2010-150/) - Good condition with some scratching on the front side.
- [PSW2010 - £145](https://kefrepair.crazypc.eu/preloved/psw2010-145/) - Very good overall condition, but has a noticeable knock on one of the corners.
- [Packaging](https://kefrepair.crazypc.eu/repair/how-to-send-for-repair/packaging/) - Very good and safe packaging If you don't have anything, you can do this - still safe and always available, just use plenty:

## FAQ

- [How long will my repair take?](https://kefrepair.crazypc.eu/faq/how-long-will-my-repair-take-2/) - Turnaround depends on the nature of the fault, workload and parts availability. Every amplifier is individually diagnosed, repaired and thoroughly tested, so repair times naturally vary. My priority is quality and reliability rather than the shortest possible turnaround.
- [How should I package my amplifier?](https://kefrepair.crazypc.eu/faq/how-should-i-package-my-amplifier/) - Please use a strong box with generous protective packaging so that the amplifier cannot move during transit. Damage caused by inadequate packaging can often be avoided with careful preparation. If in doubt, feel free to ask for guidance. I've also included some packaging ideas and examples on this page here.
- [Do you use genuine replacement parts?](https://kefrepair.crazypc.eu/faq/do-you-use-genuine-replacement-parts/) - Where genuine components are available and appropriate, they are used. If original parts are obsolete, carefully selected high-quality equivalents are used that meet or exceed the required specifications. Every part I use is sourced only from top-tier components distributors.
- [Can I contact you for advice even if I haven't decided to proceed with a repair?](https://kefrepair.crazypc.eu/faq/can-i-contact-you-for-advice-even-if-i-havent-decided-to-proceed-with-a-repair/) - Absolutely. I'm always happy to offer advice where I can. Even if you haven't yet decided whether to send your amplifier, please feel free to get in touch.
- [Do you sell spare parts?](https://kefrepair.crazypc.eu/faq/do-you-sell-spare-parts/) - From time to time I offer genuine and hard-to-find spare parts for KEF, Celestion and other audio equipment. If the part you require is not listed on the Spares page, please get in touch—I may have it available or be able to help source a suitable replacement.
- [When do I pay?](https://kefrepair.crazypc.eu/faq/when-do-i-pay/) - There is no upfront payment for repair work. Once your amplifier has been repaired and successfully tested, I will contact you to confirm completion and provide payment details. The only exception may be repairs that require expensive parts to be specially ordered specifically for your amplifier. In such cases, I may request a partial payment
- [Do I need to send the entire subwoofer?](https://kefrepair.crazypc.eu/faq/do-i-need-to-send-the-entire-subwoofer/) - In most cases, only the amplifier module needs to be sent, rather than the complete subwoofer. This significantly reduces shipping costs and minimises the risk of transport damage. Removal instructions are available on this website for many of the most common models. If your model is not listed, or you are unsure how to remove
- [What if my amplifier cannot be repaired?](https://kefrepair.crazypc.eu/faq/what-if-my-amplifier-cannot-be-repaired/) - Although the vast majority of amplifiers can be successfully repaired, this cannot be guaranteed in every case. If repair proves technically impossible or economically unjustified, I will explain the reasons and discuss the available options. No payment is required if a repair cannot be completed. You may then arrange collection or return of your amplifier,
- [Can you improve the reliability of my amplifier?](https://kefrepair.crazypc.eu/faq/can-you-improve-the-reliability-of-my-amplifier/) - Yes! Over time, certain amplifier models have proven to have recurring weaknesses or age-related issues. Where appropriate, I may recommend preventative improvements based on experience to help enhance long-term reliability. Any such work will always be discussed with you beforehand.
- [Do you repair at component level or replace the entire amplifier module?](https://kefrepair.crazypc.eu/faq/do-you-repair-at-component-level-or-replace-the-entire-amplifier-module/) - Component-level repair is the primary approach and forms the basis of the service I provide. In most cases, faults can be diagnosed and repaired by replacing only the defective components, preserving the original amplifier and often resulting in a more economical solution. Complete amplifier module replacement is only recommended where it is genuinely the better
- [Can you provide an estimate before I send my amplifier?](https://kefrepair.crazypc.eu/faq/can-you-provide-an-estimate-before-i-send-my-amplifier/) - For many common faults, I can often provide an approximate estimate based on the model and symptoms you describe. A confirmed quotation, however, can only be given after proper diagnosis.
- [Can you arrange return shipping for me?](https://kefrepair.crazypc.eu/faq/can-you-arrange-return-shipping/) - While I can arrange return shipping if absolutely necessary, I strongly recommend that customers book their own courier collection. The reason is simple: the amplifier is your property, and the person who books the shipment is generally the party entitled to deal directly with the courier in the event of loss or damage and to
- [Is return shipping included in the repair cost?](https://kefrepair.crazypc.eu/faq/is-return-shipping-included/) - I do not include or charge for return shipping as part of the repair service. The reason for this is closely related to the answer to the next question, "Can you arrange return shipping?", which explains why I generally recommend that customers arrange their own courier collection.
- [Can you repair my amplifier while I wait?](https://kefrepair.crazypc.eu/faq/can-you-repair-while-i-wait/) - Unfortunately not. Even when the fault appears straightforward, proper diagnosis, repair and testing take time. Every amplifier is individually assessed and thoroughly tested before being returned, and this process cannot be completed while you wait. My priority is to carry out a reliable repair rather than the quickest possible one.
- [Can I deliver my amplifier in person?](https://kefrepair.crazypc.eu/faq/can-i-drop-off-to-you-instead-of-sending-it-via-courier/) - Certainly. Collection and drop-off can be arranged by prior appointment. Please contact me to arrange a convenient time.
- [What payment methods do you accept?](https://kefrepair.crazypc.eu/faq/what-payment-methods-you-accept/) - Payment is currently accepted by bank transfer.
- [Which courier service do you recommend?](https://kefrepair.crazypc.eu/faq/which-courier-services-you-recommend/) - Recommended courier services and shipping advice can be found on the Courier Information page.
- [Do you repair models not listed on the website?](https://kefrepair.crazypc.eu/faq/do-you-repair-other-than-the-listed-subwoofer-models-and-makes/) - Yes. I also repair many other audio amplifiers and subwoofer amplifier modules. If you're unsure whether your equipment can be repaired, please get in touch. I'm always happy to offer advice and an initial assessment.
- [Do you provide a warranty on repairs?](https://kefrepair.crazypc.eu/faq/do-you-provide-any-post-repair-guarantee/) - Yes. All amplifier repairs are covered by a 12-month limited warranty against recurrence of the same fault, covering the work carried out and the components replaced.
- [Do you repair Hi-Fi and Professional Audio amplifiers?](https://kefrepair.crazypc.eu/faq/do-you-repair-audio-amplifiers/) - Yes. In addition to the specialist subwoofer amplifiers featured on this website, I also repair Hi-Fi and Professional Audio (PA) amplifiers. If you would like advice regarding a particular unit, please feel free to contact me.
- [How long will my repair take?](https://kefrepair.crazypc.eu/faq/how-long-will-my-repair-take/) - Every amplifier is individually diagnosed, repaired and thoroughly tested, so turnaround times naturally vary depending on the fault, workload and parts availability. This is intentionally a specialist service rather than a high-volume repair centre, and my priority is to return an amplifier that has been repaired properly rather than simply as quickly as possible.

## Categories

- [Uncategorized](https://kefrepair.crazypc.eu/category/uncategorized/)

## Groups

- [About the Service](https://kefrepair.crazypc.eu/group/about-the-service/)
- [Sending Your Amplifier](https://kefrepair.crazypc.eu/group/sending-your-amplifier/)
- [Pricing & Payment](https://kefrepair.crazypc.eu/group/pricing-payment/)
- [Warranty](https://kefrepair.crazypc.eu/group/warranty/)
- [Return Shipping](https://kefrepair.crazypc.eu/group/return-shipping/)
- [Repairs & Upgrades](https://kefrepair.crazypc.eu/group/repairs-upgrades/)
- [General Advice](https://kefrepair.crazypc.eu/group/general-advice/)
- [Spare Parts](https://kefrepair.crazypc.eu/group/spare-parts/)