Responses from re428cj

Bias Settings for Air Tight ATM-2 with TS 6550s
Based on input from a friend I have measured and adjusted bias on my ATM-2. I was also far left, measuring 50 mA on the tubes (I use original GEC KT-88)I was advised KT-88 should use around 70 mA. Well first I adjusted to 60 mA. In my amp, that is...