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gray

  1. Jxmos

    Gray Research AM-50 / Dynaco Mark 2 Clone / Gray Concert Duet Console Info Questions Schematics?

    At an auction last fall, I was lucky enough to win a Gray Research amplifier and preamp. Since information on these is hard to find, I thought I share what I’ve found and see if others might have more details. As I restore them, I believe these are units from a console that Gray Research sold...
    • Jxmos
    • Thread
    • 5ar4 am-2a am-50 clone concert duet el34 gray gray research tr-5000 tr-5001
    • Replies: 23
    • Forum: Tube Audio
  2. nickdinatale

    Gray Research 808A step up/equalizer?

    I've had this sitting around for a few months now and had never paid too much attention to it considering it's mono. It came with the broadcast turntable I own and was installed inside, but not being used. After spending all day yesterday wiring up a SUT box, it dawned on me that perhaps THIS is...
    • nickdinatale
    • Thread
    • 808a equalize gray preamp research step up transformer
    • Replies: 0
    • Forum: Turntables
  3. nickdinatale

    Gray 212 / 216 transcription arm mounting instructions

    Since this info doesn't seem to be readily available and I have one of the original instruction "manuals" (actually just a stapled packet), I figured I would upload it for anyone who needs it. Hope this helps someone out!
    • nickdinatale
    • Thread
    • 212 216 gray gray research instructions mounting specs tonearm transcription
    • Replies: 2
    • Forum: Turntables
  4. nickdinatale

    Some really cool, original Rek-O-Kut and Gray brochures

    Came across these in a recent lot that I bought and they were too cool not to post. The gentleman that I purchased everything from had a father who was an avid audiophile/kit builder back in the 60s. He also seemed to keep every piece of paper associated with his gear, so I wanted to make sure I...
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