Tube Amp Archive

Thanks for the reply. I've posted at metroamp and am waiting.....

concerning the Mashall JCM 800 model 2205, are there two versions of this amp circuit, one domestic (England) set up for EL34s and one for export (US) set up for 6550s? OR Are they same amp circuit and output tube socket just fitted with and biased for one or the other tube types? A friend recently ...