Recent content by pop13

  1. P

    Help! Unidentified buzzing in Ampeg SVT 3 Pro

    Actually no, I made an error in judgment The drop in hum and hiss was due to the “ground lift” when I used a jack cord to connect the “pre out” to the “power in”. I retested everything and it's not working, I still have saturation and also a lot of hiss and hum when I set the medium...
  2. P

    Help! Unidentified buzzing in Ampeg SVT 3 Pro

    Not yet, but the issue is solved by patching with a cord "pre out" "power in" It's the same thing not ? Perhaps not the same routing…
  3. P

    Help! Unidentified buzzing in Ampeg SVT 3 Pro

    ha I almost forgot a noise like “clac” or “pop” is heard when I press the mute button
  4. P

    Help! Unidentified buzzing in Ampeg SVT 3 Pro

    Hello, I have almost the same symptoms as Wgtroutman a bit of fuzz, especially on the mids and highs, crackling, a lot of hum especially when the equalizer is on, and when the mids and highs pots go beyond the mid position and even more so when they are in the max position. I looked into where...