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  1. Dr12volt

    Phase Linear 700 series 2 faceplate needed

    I have a 700 series 2 that someone has brused the faceplate so it's no longer champaign colored. Does anyone have the inner and outer faceplate to make it look original
  2. Dr12volt

    replacement predrivers for PL400 series 2

    anyone got any suggestions on replacements for the RC410 predrivers? I have heard that they, the SJ2741, and 66546 have all been discontinued. surely there is a comperable replacement if not a better part? thanks for your input.
  3. Dr12volt

    Too much bias on PL400 series 2

    I have a PL400 series 2 that runs very hot...infact it shut off earlier tonight. I knew it was running warm and planned on checking bias when necessary...it was necessary. I checked the voltage across the 10Ω resistor as needed and it was over 550mV on left and 510mV on the right. I...
  4. Dr12volt

    I just purchased a PL 400 Series 2 amp but have 85 volts AC on output with no input

    I just bought this beautiful 400 series 2 but get 85 volts AC with no input. DC output in in the mV range. It shows up after about 2 seconds after i turn it on. The input sensitivity adjustment has no effect on output. Any suggestions on where to start to look for issues? thanks in advance
  5. Dr12volt

    Phase Linear 400 series 2 potentiometers

    Does anyone have any idea what the values are for the input sensitivity control pots? Or a place that sells replacements. I could also use a couple of new knobs. I recently bought this amp that has seen less than delicate treatment but plan on working its way through a full upgrade as time goes.
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