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Well new tubes arrived and installed. Amp sits at 2kv at idle. Drops about 300v when loaded. Took about 19V of bias. With a pair being driven, seeing about 1750pep into dummy load. Pulling 600mA at full output. ( I had to temporarily install a plate current meter to see what was going on). I’m happy with. If it had 2800v at idle, it would be even happier, with less drive of coarse. As the Grid dissipation on GI46B is 20W.

[QUOTE="Crusher, post: 756428, member: 3746"] Well new tubes arrived and installed. Amp sits at 2kv at idle. Drops about 300v when loaded. Took about 19V of bias. With a pair being driven, seeing about 1750pep into dummy load. Pulling 600mA at full output. ( I had to temporarily install a plate current meter to see what was going on). I’m happy with. If it had 2800v at idle, it would be even happier, with less drive of coarse. As the Grid dissipation on GI46B is 20W. [/QUOTE]

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