fireflyva Posted November 15, 2014 Share Posted November 15, 2014 I have an old Gibson amplifier, a "Hercules GA-60", with what appears to be a 15" speaker. Two channels. A volume, bass and treble control. Can anyone tell me about this amplifier? When was it made? Does it have any value? It seems very basic. Thanks Link to comment Share on other sites More sharing options...
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