yes very good ..10 years before i made 6080 amp and sound was good but that amp was short test with 6080 .to day i want to have serious project.
so this schematic was good for study and use .thanks .
so this schematic was good for study and use .thanks .

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6DQ6 came in three flavors, 6DQ6 (CBS 1955), 6DQ6A (RCA 1956), and 6DQ6B (GE 1959).do you have plate curves for triode strapped 6DQ6 ?
Many other tubes used the 6DQ6A tube guts: early 6FW5, 6GA7, 6GC6, (7754, 7695 rated at high current, same guts)
Later Compactrons used the 6DQ6B guts: 6JN6, 6GE5, 6GV5, 6JM6, 12JF5, later 6FW5's
Some 6FW5 and 6GE5 triode mode curves here:
VinylSavor: Tube of the Month : The 6FW5
VinylSavor: Tube of the Month : The 6GE5
Many other TV Horizontal Sweep tubes have good triode mode curves if curve tracer selected. 6CB5 has been used for SETs for example.
6AS7 would only be suitable for P-P, high 2nd H in SET mode
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