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power on noise

  1. H

    MC-2255 power on pops

    I thought I would repost this old thread: AKthread as my last question was never answered. My MC-2255 has minor power on pops, both channels, speakers and headphones. The point of the LDR's (and relays in older models) was for protection and to mute during power on pops. Is this indicative of...
  2. S

    My first MC240, when power on, Woong~~ sound in 2 seconds.

    Hello, Recently I bought old MC240, all original condition and I've replaced the all electrolytic capacitors. And found some of the bumblebee capacitors are cracked so I've replaced all bumblebee capacitors as well for the next 50 years. Without tubes, I've checked the B+, it's 440V so cool. And...
  3. Werkes

    SA-6500 Mk2 Startup & Power Down Noise

    I picked this set up as a gift for someone & want to make sure it's operating 100%. I have a delay with a slight noise & woofer movement on startup. Also a pop on startup randomly. When you go to power down it sounds little dirty on power down too. I've already cleaned all switches & pots...
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