That is a tad harsh on the magnificent European union , who not only made electronics safer for everybody , made sure intelligent amplifiers designers had a design loophole :D Well it turned out I didn't need a loophole as the regs are not being policed. If they were *EVERY SINGLE* EU based valve a...

Doc. Did you try different grades of mains cable before deciding what to use for hard wiring to your amps? The only difference I can see with aftermarket cables is thicker insulation or twisted strands with claims for RFI reduction or the use of silver wire. Ever tried the later on your amps? BTW Ha...

A subject discussed widely on other forums. It's easy to experiment with an IEC socket but what about captive leads? I have always been reluctant to cut them and introduce another connector and found that ferrite rings make a difference especially on digital equipment. Also found using a modest pric...