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tube amp distortion

  1. ssouci

    crackling/static noise in one channel (X-202)

    I've suddenly started hearing a crackling/static noise in one channel of my Fisher X-202 integrated amplifier Description: - sound is an uneven "crackling/static" noise, NOT smooth white noise - in the right channel only - not too loud, however loud enough to be heard in a quiet room once music...
    • ssouci
    • Thread
    • channel crackling noise noisy one channel static tube tube amp distortion x-202 x202
    • Replies: 5
    • Forum: Fisher
  2. I

    Please help!

    So I am extremely new to building tube amplifiers. I've never done this before, but this concept intrigued me alot, therefore I decided to build one. I followed a schematic of a 20W pc tube amplifer. To my knowledge, and to checking my work multiple times, I have followed the schematic...
    • ilya__
    • Thread
    • amplifier noise preamp noise tube tube amp distortion tube amplifier valve
    • Replies: 22
    • Forum: Tube Audio
  3. N

    Distortion in one channel Mcintosh 225 amplifier

    I've had a Mcintosh 225 tube amplifier for about 5 years and the other day it developed distortion in one channel when the volume was turned up fairly loud. Here's what I've done: 1) Verified bias is at -21 volts for all 4 output tubes 2) Replaced all tubes with known good ones one-at-a-time 3)...
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