Question about SWR WorkingPro 15 200 Watt 1x15" Bass Combo Amp
If you are having the treble/high turned up there will be hiss. This is due to the statistical noise in electronics, including semiconductors. It is a matter of degree. The hiss should be 30 Db below your program level or so.
It is very common for one to change settings and suddenly start to notice hiss or hum at certain settings.
IF YOU CAN, go to a music store and COMPARE the amp to yours at the same setting with NOTHING plugged in. (cables and guitars can generate hiss or other noise themselves).
There is very little in your amp that would have changed to suddenly start generating hiss, so FIRST compare. This will minimize the chance of spending money at a shop to be told it is normal.
Posted on Sep 14, 2010
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Posted on Jan 02, 2017
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