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tr-5000

  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
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