Re: Quad 2 Valve power amp questions
Soory about this, but I just remembered that about 25 years ago someone gave me four new General electric 5851A valves. The boxes are marked 7781A/KT66. I have just found them (see photo). Would these do the trick of lowering the heater current? and perhaps they would not lower the output as the 6L6 would. If this is the case these would seem to be the ideal valves to use. Can someone tell me?. Regards, Paul
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