On 2009-05-05 03:55:40 -0600, Ian Jackson
said:

In message 200905041533558930-joseph@removespamkirtlandcom, Joe Bento
writes

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Hum-wise, would there be any advantage in reversing the order of the
heaters for V1, 2 and 3, thus having the lower AC voltage at the lower
signal level stages?

Ahhh.... I need to change the designations on the schematic. The
12AT6's are at the ground side of the string as wired in my amp.
Though not nonexistent, hum is very low level.

Joe