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Thread: DIY phonostage.

  1. #291
    Join Date: Mar 2010

    Location: Sheffield

    Posts: 2,898
    I'm Simon.

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    Back from the dead.

    I've built another two since this thread was last active. The group buy died and some German asshat ran off with 6500 euros of our money...

    Any way the group buy for the PSU pcbs has been reinstated and details are to be found here.


    Paradise PSU group buy- its alive
    Kuzma Stabi/S 12", (LP12-bastard) DC motor and optical tacho psu, Benz LP, Paradise (phonostage). MB-Pro, Brooklyn dac and psu, Bruno Putzeys balanced pre, mod86p dual mono amps, Yamaha NS1000m

  2. #292
    Join Date: Aug 2012

    Location: Hartlepool UK

    Posts: 1,640
    I'm Alan.

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    Thanks Simon I have just signed up for 2 sets
    Excellnt job on the circuit boards and your doing a good deed for everyone so well done you.

    Alan
    Turntable - Garrard 401/Jelco 750L/Ortofon Kontrapunkt B, Pioneer PLC 590, Micro Sieki MA505 , Denon DL103R - DIY Paradise Phono stage - Reel 2 Reel Studer A810, Otari MX55,Tascam BR20, Revox A77, B77, PR99, TEAC X1000 & 3440, Digital HTPC / Young Dac - Preamp - DIY B4, 821, Power Amp's DIY Avondale NCC300 Mono Block, Speakers Wilmslow Kit Volt BM220.8 / Scanspeak D2905/9500

  3. #293
    Join Date: Mar 2010

    Location: Sheffield

    Posts: 2,898
    I'm Simon.

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    Power supply boards are here, I've shipped a few out to early responders, yours are in the post Alan.

    I think I'll end up with a couple of sets spare for anyone who missed out, £24+ p and p for a set of four boards. Well worth it, as they build to a spectacularly quiet choke regulated psu.
    Kuzma Stabi/S 12", (LP12-bastard) DC motor and optical tacho psu, Benz LP, Paradise (phonostage). MB-Pro, Brooklyn dac and psu, Bruno Putzeys balanced pre, mod86p dual mono amps, Yamaha NS1000m

  4. #294
    Join Date: Aug 2012

    Location: Hartlepool UK

    Posts: 1,640
    I'm Alan.

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    Great news Simon and thanks very much for you efforts

    Alan
    Turntable - Garrard 401/Jelco 750L/Ortofon Kontrapunkt B, Pioneer PLC 590, Micro Sieki MA505 , Denon DL103R - DIY Paradise Phono stage - Reel 2 Reel Studer A810, Otari MX55,Tascam BR20, Revox A77, B77, PR99, TEAC X1000 & 3440, Digital HTPC / Young Dac - Preamp - DIY B4, 821, Power Amp's DIY Avondale NCC300 Mono Block, Speakers Wilmslow Kit Volt BM220.8 / Scanspeak D2905/9500

  5. #295
    Join Date: Mar 2008

    Location: Galashiels

    Posts: 13,696
    I'm inthescottishmafia.

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    Simon, I'll take a spare set if there's still one going please.

    PM payment details and I'll send my address.
    “Music has always been a matter of energy to me, a question of fuel. Sentimental people call it inspiration, but what they really mean is fuel. I have always needed fuel. I am a serious consumer. On some nights I still believe that a car with the gas needle on empty can run about fifty more miles if you have the right music very loud on the radio”

    Hunter S Thompson

  6. #296
    Join Date: Mar 2010

    Location: Sheffield

    Posts: 2,898
    I'm Simon.

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    Here's the BOM for anyone who's interested


    2x Talema 70065k transformers: https://www.electronic-shop.lu/EN/products/133830 RS doesn't have them on stock until January !
    4x Epcos TDK 82uH common mode chokes: http://www.mouser.co.uk/Search/Produ...-B82724J2501N1
    8x LQA10T300 high speed zero recovery diodes: http://www.mouser.co.uk/Search/Produ...y903-LQA10T300
    16x 0.1uf (100n) wima caps: http://www.mouser.co.uk/ProductDetai...K2iviYXLQ3E%3d
    4x Caddock, 20 ohm, 30 watt thick film resistors: http://www.mouser.co.uk/Search/Produ...ey684-MP930-20
    4x Hammond 158T 300mA chokes: https://www.jukebox-revival.eu/stagi...mond-158t.html
    Kuzma Stabi/S 12", (LP12-bastard) DC motor and optical tacho psu, Benz LP, Paradise (phonostage). MB-Pro, Brooklyn dac and psu, Bruno Putzeys balanced pre, mod86p dual mono amps, Yamaha NS1000m

  7. #297
    Join Date: Mar 2010

    Location: Sheffield

    Posts: 2,898
    I'm Simon.

    Default

    I've been tinkering with a new toy.




    Tis a little square wave generator that can be used for stimulating ringing in transformers and chokes to help set optimum snubbing values.



    Works well the numbers you want for the quietest paradise psu are given above
    Kuzma Stabi/S 12", (LP12-bastard) DC motor and optical tacho psu, Benz LP, Paradise (phonostage). MB-Pro, Brooklyn dac and psu, Bruno Putzeys balanced pre, mod86p dual mono amps, Yamaha NS1000m

  8. #298
    Join Date: Sep 2014

    Location: brighton uk.

    Posts: 4,737
    I'm jamie.

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    Quote Originally Posted by sq225917 View Post
    No worries, are you thinking of building one?
    hi,is this project suitable for a 1st time project?
    im ok with the iron but all the technical terms go over my head,whats the ball park cost involved in getting one up and running please?
    My System
    John Wood KT88 Amp.
    Paradise Phono Stage
    Sony TTS-8000 Turntable.
    PMAT-1010 MK6 Tonearm.
    Ortofon Cadenza Bronze
    Sony X555ES Cd Player
    Yamaha NS1000m Speakers

  9. #299
    Join Date: Jan 2009

    Location: Deleted

    Posts: 6,585
    I'm Deleted.

    Default DIY phonostage.

    No, I wouldn't say it is suited as a first time project - not even a second one - maybe an ambitious third one. It's not exactly a budget build either.
    Account Deleted

  10. #300
    Join Date: Sep 2014

    Location: brighton uk.

    Posts: 4,737
    I'm jamie.

    Default

    cheers,do you have anything in mind i could have a go at?
    ive done a few crossovers and interconnects,thats my experiance.
    My System
    John Wood KT88 Amp.
    Paradise Phono Stage
    Sony TTS-8000 Turntable.
    PMAT-1010 MK6 Tonearm.
    Ortofon Cadenza Bronze
    Sony X555ES Cd Player
    Yamaha NS1000m Speakers

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