08-15-2013, 04:20 PM
Simple question, but...do all of the tubes that require tube shields have the shields in place?
It sounds like you have an oscillation issue. If the 78 and 75 tubes do not have the proper shields over them, the set will squeal like crazy.
It sounds like you have an oscillation issue. If the 78 and 75 tubes do not have the proper shields over them, the set will squeal like crazy.
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Ron Ramirez
Ferdinand IN