catmando Posted October 30, 2011 Share Posted October 30, 2011 I have a Gibson Br-4 amp that has a speaker labeled Operadio ,was this ever a factory issue or is it a juke box replacement.My guess is the later. Link to comment Share on other sites More sharing options...
retrorod Posted October 30, 2011 Share Posted October 30, 2011 I have a Gibson Br-4 amp that has a speaker labeled Operadio ,was this ever a factory issue or is it a juke box replacement.My guess is the later. My guess is that it is a replacement speaker Rod Link to comment Share on other sites More sharing options...
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