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  1. sean sweeney

    Question on 1959 Crown SXA tube amp power supply, switching noise from half wave rectifiers?? 120hz hum.

    So I got this amp in a trade deal a few weeks ago, and after one issue of basically building it back from scratch, from a blurry schematic from 1960, I still am getting some 120hz hum when the unit is idling, with the inputs shorted. I just replaced the selenium rectifier, and that seemed to...
    • sean sweeney
    • Thread
    • 1959 amp amplifier control crown gcr monitor studio sxa tube
    • Replies: 175
    • Forum: Tube Audio
  2. vinylisfinyl

    Magnavox Astro Sonic Bass Control Packaged Circuit...what's inside?

    Greetings fellow Solid-Staters, and Happy Belated Thanksgiving! I'm working on my grandmother's Magnavox 1RP660 console stereo, chassis R204-18-20, and need some advice on how to proceed with troubleshooting a problem: When the four position Bass control is put into any of the positions below...
    • vinylisfinyl
    • Thread
    • astro bass circuit console control hiss magnavox packaged sonic
    • Replies: 3
    • Forum: Solid State
  3. Ian Dozol

    Are Marantz Remotes RC interchangeable?

    I cannot find a thread of this nowhere in the whole internet! I have recently purchased a Marantz DV7600 DVD SACD. It is working perfectly but it did not come with its remote. As this is a older model from 2007, I cannot find its corresponding remote "RC7600". In ebay or other similar sites I...
    • Ian Dozol
    • Thread
    • control dv7600 harmony marantz rc001dv rc7600dv remote replacement sacd substitute
    • Replies: 8
    • Forum: Marantz Audio
  4. salvo

    Denon pma 980R volume control KO

    Hello friends, my cousin destroyed the volume pot of his Denon pma 980R, you know where to find one compatible with loudness? ( Also Without engine.....) of which impedance? THANKS.:) SALVO.
  5. Two Steps

    Yamaha RX-700u Variable Loudness Control Problem/Malfunction

    Hey all, I have this posted in the Solid State Receiver section...but after a couple of days, I have not received any responses and/or support. So I figured I'd give the Yammie sub-section a holler. In a recent purchase, I had a Yamaha RX-700u thrown in because the older woman was going to...
    • Two Steps
    • Thread
    • balance control dial knob loudness malfunction problem variable loudness yamaha
    • Replies: 4
    • Forum: Yamaha
  6. SU-8600 volume control wiring

    SU-8600 volume control wiring

    SU-8600 volume control wiring
    • terra1
    • Media item
    • control su-8600 volume wiring
    • Comments: 0
    • Category: Member Galleries
  7. early RCA IR remote

    early RCA IR remote

    This remote is big because it was to house lots of analog encoder circuits designed at RCA Indy. A friend at RCA Labs developed a microprocessor based circuit for it. Bakeoff: Sets and remotes placed out in sunlit parking lot, analog encoder fails badly, micro works perfectly. Also much...
    • wa2ise
    • Media item
    • control remote
    • Comments: 0
    • Category: Horizontal Hold
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