Albert Porter, thanks for the input. I was thinking about asking a old friend of your's and mine, but sense I didn't buy these tubes from him I didn't think it would be nice to ask him. (you know who I mean) I have a Dyna ST-70-C-3 that uses 6L6's and they don't like too much heater current and I was wondering if that was differant with the differant numbers . Well maybe I'll get some differant answers.....thanks Albert ( I sold you some 6SN7's a while ago)
