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1967 Dual Showman.  These two examples of a Showman head have the “Dual Showman” moniker on the blackface control panel.  The question is: just how does the performance of the Dual Showman head differ from that of the “regular” Showman?  From what I can gather, the electronics of both amps are similar, with the same tube configuration and transformers.  One source has noted a different designation on the output transformer of some Dual Showman heads.  The blackface “Dual Showman” head was produced in late 1966 and 1967.  QC, QD

 
             


 
 
 

 

 

 

 
 
 

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