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wonfor

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    Retired old brain busy

    Well I can,t stop thinking of designs. So I am now keeping my retired old brain busy, the first is a SECA Twin Headphone Amp with two DAC,s Then I will go back to my favourite non audio love, yes you guessed it chocolate, NO PSU designs working on a ultra low noise low impedance range. 3.3V,5V...
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    Twin SECA Headphone Amp

    OK got bored just finished a "Twin SECA Headphone Amp" It has two Headphones out 5W max each Two DAC inputs and two line in inputs. HP 1 can see inputs DAC 1 and Line 1 HP 2 can see inputs DAC 2 and Line 2 Ideal for couples who hate each others music. PIC's soon.
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    Things that go walkie's

    The idiot who stole it sold it to a guy in Somerset. I will never get it back. It was designed for Maggy Speakers and it was 50W/8R, 100W/4R, 200W/2R, 400W/1R in stereo, or 800W/0.5R Mono or 200W/8R, 400W/4R, 800W/2R and only 1200W/1R mono bridge. A few dealer tried it and on Wharfedale...
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    Inside EWA LS25 drawn by Hugh Thomson, clever sod Hugh.

    Tell
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    SECA PCB,s for sale

    Hi All, James (sovereign) built with a little help from a 40W/50W SECA the updated PCB are now ready for completion by the DIY's of us. The PCB have most of the components on them minus a few small ZTX653 transistors and the output and PSU devices. I Also have a few large (very large) heat...
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    Some interesting patents stuff for fun reading.

    http://seca.freeforums.net/thread/146/interesting-patents?page=1&scrollTo=399
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    Good bye and thanks for all the fish, C.J.Wonfor retiring

    Hi All, I have just had another bad few weeks of ill health and thus Elsdon Wonfor will be no more I am going to stop the R&D work and relax go back to uni and study. So thank you all for all your support and help . PS I will still upgrade Inca Tech and Magnum kit but in a more relax life.
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    SECA 25W PCB complete

    I have a few SECA PCB's for the 25W for sale make me a offer.
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    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...
  10. ABCaudio

    EWA loudspeaker cables: LS-5. LS-20.

    At abcaudio, we are pleased to offer EWA LS-5 cabling for loudspeakers, part of the EWA cable system. Designed by Colin Wonfor and manufactured and assembled in the UK. Colin has hugely progressed his original concepts, cable designs which were award winners for Tellurium Q, and has now created...
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    https://www.elsdonwonfor.com/

    https://www.elsdonwonfor.com/ New web page up but not yet completed. phew
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    https://www.elsdonwonfor.com/

    https://www.elsdonwonfor.com/ New web page up but not yet completed. phew
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    https://www.elsdonwonfor.com/

    https://www.elsdonwonfor.com/ New web page up but not yet completed. phew. o_O
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    A WARNING BEWARE RIP OF CLAYMORE BY BENSLEY

    This weekend I was asked to update a Claymore. Unfortunately this Claymore is a copy made by Bensley Electronics, and somehow they are using a rip of Claymore 2 circuit board. If you are offered one of these beware it is not made by me.
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    Claymore Spec



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