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In Reply to: Driver tube flash - disastrous? posted by Ricoman on February 12, 2006 at 04:28:57:
The flash on turn on is on a 12AX7. Those tubes, particularly Mullards, did not have a controlled heater. 12AX7A and 12AX7WA tubes do have a controlled heater turn on. The flash is unsettling, but normal.
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Follow Ups
- Re: Driver tube flash - disastrous? - corerosin 07:25:42 02/12/06 (0)