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Recent Content by JeffYoung

  1. JeffYoung
    Post

    Pioneer M-22 Power Amp - Epic Japanese Gear From the Past

    "Awkward" might be a little too kind. It looks like they tightened them all until they bent? Or are the TO-3 mounting holes unthreaded with a...
    Post by: JeffYoung, Jan 11, 2021 in forum: Power Amps
  2. JeffYoung
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    A DIY version of the Pass HPA-1

    The transformer I used is 120VA with 3 secondaries: 2 @ 25V/2.25A and 1 @ 12V/0.5A. The following is the quote I got from Toroidy (although that...
    Post by: JeffYoung, Jan 4, 2021 in forum: DIY
  3. JeffYoung
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    A DIY version of the Pass HPA-1

    The Darlingtons in the PSU (2SB1259/2SD2081) can be a bit hard to source. I think DigiKey has them in stock at present though. For the Toshiba...
    Post by: JeffYoung, Jan 4, 2021 in forum: DIY
  4. JeffYoung
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    A DIY version of the Pass HPA-1

    Kicad files (including CSV BOM): Let me know if you have any issues. Cheers, Jeff.
    Post by: JeffYoung, Jan 4, 2021 in forum: DIY
  5. JeffYoung
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    Bottlehead Crack

    For sale probably so. But I never installed my CCCS on my Bottlehead SEX. I have other amps that have better resolution (Torpedo III clone and...
    Post by: JeffYoung, Dec 5, 2020 in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  6. JeffYoung
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    Tube Vs. Solid State

    And then there are the head-scratchers. The early Naim amplifiers scored well on PRaT with a topology and component selection that give...
    Post by: JeffYoung, Oct 9, 2020 in forum: Power Amps
  7. JeffYoung
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    What are you listening to right now? (2nd Part)

    [MEDIA]
    Post by: JeffYoung, Oct 7, 2020 in forum: Music and Recordings
  8. JeffYoung
    Thread

    Anyone familiar with Colter Wall?

    I bought Imaginary Appalachia and loved it. So I picked up Songs of the Plains. It's not bad, but it lacks the originality of Imaginary...
    Thread by: JeffYoung, Sep 24, 2020, 1 replies, in forum: Music and Recordings
  9. JeffYoung
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    First Watt F8 Power Amplifier

    Here's what I'm working on now: [ATTACH] 60-ish Class A watts per channel. Push/pull output stage similar to a F4, although it's switchable...
    Post by: JeffYoung, Aug 29, 2020 in forum: Power Amps
  10. JeffYoung
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    First Watt F8 Power Amplifier

    Yeah, it looks very interesting. But I already have a DIY J2, and neither one is up to the task of driving my Maggies in my main listening room....
    Post by: JeffYoung, Aug 27, 2020 in forum: Power Amps
  11. JeffYoung
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    Metrum Acoustics is back?

    Their website is back up.
    Post by: JeffYoung, Aug 16, 2020 in forum: Product Announcements
  12. JeffYoung
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    Push Pull vs OTL vs SET (Tube amps)

    I think SRPP sounds more like SE than PP. But it's a hotly debated topic. Note that they also exist in the solid state world. The Aleph 3 and...
    Post by: JeffYoung, Jul 28, 2020 in forum: General Audio Discussion
  13. JeffYoung
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    Fuck MQA - Bob Stuart is a wanker

    Yeah, I was a little disappointed to see Metrum (and later Sonnet) offer support for MQA. Not that they really push it, but still, I'd rather...
    Post by: JeffYoung, Jul 24, 2020 in forum: General Audio Discussion
  14. JeffYoung
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    Whiskey is better!

    Signatory did a couple of Port Ellens that were pretty stunning too: [ATTACH]
    Post by: JeffYoung, Jul 24, 2020 in forum: Food and Drink