hatori Posted January 31, 2009 Share Posted January 31, 2009 Is the power output of an all valve amp (Marshall JCM800) proportional to the impedance selected i.e. 100watts @4ohms 50watts@ 8ohms as is the case with SS amps? Quote Link to comment Share on other sites More sharing options...
obbm Posted January 31, 2009 Share Posted January 31, 2009 [quote name='hatori' post='395998' date='Jan 31 2009, 10:31 AM']Is the power output of an all valve amp (Marshall JCM800) proportional to the impedance selected i.e. 100watts @4ohms 50watts@ 8ohms as is the case with SS amps?[/quote] No. The impedance selector is there to match the cab to the output stage, ensuring the output valves have the correct load so they will always deliver the full output. Quote Link to comment Share on other sites More sharing options...
hatori Posted January 31, 2009 Author Share Posted January 31, 2009 [quote name='obbm' post='396001' date='Jan 31 2009, 10:37 AM']No. The impedance selector is there to match the cab to the output stage, ensuring the output valves have the correct load so they will always deliver the full output.[/quote]Thank you sir. Quote Link to comment Share on other sites More sharing options...
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