Bottlehead Forum
Bottlehead Kits => Crack => Topic started by: jrihs on June 21, 2012, 12:44:20 PM
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Hi, My crack is hurting...um wait....When I turn on my crack... :-\ When I turn on my amp, I get a loud zipper-like sound in the headphones for several seconds, then all's well...no noise. Usually the zipper ends w/ a pop or crack sound. It only happens on cold start and it will always happen now, but not if I turn it off and then quickly back on. It is not either of the tubes. It does not happen when warmed-up...but, it will Pop when I turn it off IF its been on awhile...or so it seems. It is independent of the volume and input as well.
Any solutions?
Yours sadely, zipperhead
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Check all your solder joints. Verify the filter capacitor orientations. Redo voltage measurements.
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There is a sticky in the Crack folder about eliminating warm up thumps and pops. Try that modification as well.
This is a new development, right? How long has the Crack been operating?
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Yes, this is a new development. I have used it heavily for over a year now. I have had some noisy tubes in it of late but fixed them.