| Re: buzz in avt100.quick bit of advice please [message #27188 is a reply to message #27181] |
Sat, 21 January 2006 19:49  |
Thermionic
Messages: 208
Registered: May 2009
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It could definitely be a damaged jack. The input jack here is what is known as a "shorting" type, and shorts to ground to prevent it from buzzing when nothing is connected. There are several different configurations, depending on the individual amplifier, and some have many contacts that serve different functions. Sometimes, one can get messed up and cause a hum or buzz with and instrument plugged in (or not). It could have also damaged the printed circuit board, though unlikely. Some amps, like the Line 6 POD, are notorious for this. It's not a matter of IF jack and PC board damage will occur, but WHEN. It could have also damaged something else if the amp was tipped over and hit the floor good and hard. Thermionic 
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