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Questions about tubes and gear that glows. FAQ

RE: Push-Pull Tube Amps for Dummies: Questions 1 & 2

Various power tube types are rated for differing anode (plate) dissipation. The KT88/6550 group is rated higher than the EL34/KT77 group. So, 4X KT88s will comfortably deliver 100+ W., while 4X EL34s will be overtaxed and 70+ W. is about right.

IMO, some technical knowledge is needed to obtain max. pleasure from your equipment. I suggest you acquire a copy of the 1st or 2nd edition of James Brophy's "Basic Electronics for Scientists". Both tubes and SS are discussed by Brophy. You will encounter differential equations.


Eli D.


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