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mcintosh tubes

  1. AuburnM5

    Potential issue with a new C2700, does this look normal??

    I got a new C2700 about a month ago. Recently, an audible hum/hiss/static developed in the fronts. I went through the process of finding the source and it was the I have had an issue with the left balanced main out causing a hiss and hum static in both channels, The left balanced main out. When...
  2. pantoramasan

    H.H. Scott 222c Need Help

    H.H. Scott 222c Need Help in identifying a problem. Picked up this amp at a yard sale without tubes. Have found all the tubes necessary to run it. Tested all tubes and they test good. Plugged into Variac and eased it up to 40 after 10 min. on 30. The TR-12-3-1 Transformer was getting very hot...
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