I preferred the sound of the Shuguang KT88SC to Gold Lions in my Phi 200, but they were not as dependable as the GL's. Not horrible reliability by any means, you just had to have a spare or two handy just in case.
Power tubes for the VAC 300.1
I'm the proud owner of a VAC 300.1A stereo amplifier. I'm thinking of changing the 8 KT88 power tubes to Gold Lion. According to the manual they claim buying the tubes from VAC is prefered over using other brands. Has anyone else here used alternate tubes rather than the VAC branded tubes in their 300.1?