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  1. T-wrecks

    phase linear 3000 preamplifier

    Good day gents, wondering if I should try repairing this old PL 3000 series 2. Supposedly this unit had been "recapped" by someone in Wisconsin. It does turn on and pass audio. Some of the weird shit it does include: volume rises and falls on aux and tuner, channels seem to cut out. phono...
  2. T-wrecks

    bias and offset adjustments

    Ok so I have a series 1, 8 fin, 400 with revE pl14_20 which has a very slight channel imbalance im trying to iron out. I thought maybe adjusting the bias and offset may help. I cannot find any of the document I had when I installed the board though, and cant locate them on the internet. Can...
  3. T-wrecks

    pl400 ground loops and hum

    Hello all! well I have been on this community before, some may remember, and im just looking for advice and/or help. Mine is a (400) series I, eight fin. It has had the outputs replaced long ago (all mj21196g) and rca410 drivers. I have Don's relay board fitted, as well as a pl14-20 rev.e board...
  4. T-wrecks

    Pop and a fizzle

    Well I have had a partially WO phase linear 400 series 1, eight fin for awhile. It has a revE board in it. Mj21196g outputs, rca410 drivers. Original backplane assy and resistors. Original filter caps. It had Dons output relay board installed. Well resistor r10 on the relay assy has failed open...
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