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amplifier

  1. W

    Cyrus 6 vs2 Internal fault repair

    I have a Cyrus 6 vs2 which has flashing per light indicating an internal problem. I'm new to this unit but have only done minor repairs to audio equipment before and some elections. Would like to sound out the problem to others and hopefully get some advice from wiser heads. Headphones, one...
  2. Shadders

    Modern Valve Electronics Workshop - Elektor

    Hi, The link below is in reference to three video workshops where : This workshop on tube or valve audio amplifier design in three parts is presented by Menno van der Veen, MSc, a world-renowned specialist of valve amplifier design. He presents techniques for enhancing valve or tube amplifiers...
  3. Shadders

    Bob Cordell Talk at Burning Amp 2019

    Hi, If anyone has Bob Cordell's latest book, then you may be interested in the following video where he talks about his amplifier design which is a full design, in Chapter 4 of his book. The design is a "getting started" design, and has been built and tested by Bob. The video is at the...
  4. Shadders

    Amplifier PCB Speaker Wire Connection

    Hi, In examining the reviews in Hifi News, i can see that many amplifiers use a solder connection of the speaker wire to the amplifier PCB. I have examined Farnell and RS Electronics, yet i am not able to find such connections. Does the industry use Turrets to solder to, and a insulating...
  5. C

    M50 Review from James

    I feel I’ve had this amp long enough to do a short review. First of all I have to to give a huge thank you to Colin for being patient with my numerous emails and for being an absolute gent. Colin kept me up to date with the progress of the build and the amp was packaged very well indeed. The...
  6. Audio-philia.co.uk

    Audio Note UK ex-demo sale

    Our new selection from Audio Note UK has arrived so last years demo selections are now available ex-display. Each item is in as new condition (unless otherwise described) and is available with a full manufacturers warranty. Audio Note TT1 Turntable Package (Ex-demo)...
  7. C

    Q20 private review

    Thank you Glenn for allowing us to use your lovely write up on the Q20. Hi Colin That was a most unexpected phone call Saturday afternoon but a very pleasant one and it was great chatting with you . So as promised I thought I would drop you a line and let you know my first impressions of the...
  8. G

    QUAD ESL 57 - which builder, which amp?

    Hi everyone, new to the forum, though I've read a lot. I am looking to buy a pair of Quad ESL 57 speakers, and I hope I can pick your brains about it. Currently there are two local offers I have an eye on. They roughly cost the same. One is a pair completely rebuild by Quad Musikwiedergabe some...
  9. Shadders

    Amplifier Board - Utilising Both Sides of the PCB

    Hi, I am implementing the PCB design for the amplifier i will be using for my 3 way Active Speakers. I have some large heatsinks, so rather than purchase new heatsinks, i want to use the existing, and implement the 6 amplifiers - 4 amplifiers on one heatsink (300mm x 200mm) and 2 amplifiers on...
  10. LP12Bits

    Naim CB / Linn Isobarik PMS Active System

    Naim / Linn Isobarik Active System 3 off NAP 250 2 off Hicap 1 off NAC 32.5 (including MC Phono board). 1 off NAXO 3-6 Pair of Linn Isobarik PMS S/N 004747 & 004748 Plus all SNAICs. NAC A4 speaker cables approx. 2.5 m long. Hydra style mains lead. Outstanding condition considering their age...
  11. C

    EWA M100 Pro Naked

    Each PCB has 4 off 22,000uF, 16 off Power Transistors , 16 off Power Driver Transistors, Polycarb signal path caps, 4 off 72A rectifier diodes, and a single 650VA transformer for each channel, Balance in and single RCA input. DC off set less than 1mV, DC bias current each channel 1.9 Amps. Oh...
  12. CoherentSystems

    Belcanto Ref 1000 MK II Monoblocks

    Just arrived a superb condition pair of Belcanto's very highly regarded mono-blocks, these are the MK II version originally supplied by ourselves. One owner from new, very little use in the last three years second system. new cost £5000 Asking £2250 Contact Information Product Information...
  13. beammeup

    Old Philips 520 Integrated amp - where should I start?

    I've picked up one of these old 70's integrated and not even powered it on yet in case there is a staged approach I need to go through first - noteworthy is the old 2-pin UK plug which may mean it's not been switched on for 40 or so odd years!


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