WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
Building, troubleshooting and testing of these amplifiers should only be
performed by someone who is thoroughly familiar with
the safety precautions around high voltages.
Have Cambridge Audio C500, been a good servant.Bought Electrcompaniet AW100 power amp,heard with matching preamp.Not sure C500 quite as good .Would balanced XLR output accout for the difference?Regards Ian