In Reply to: No way posted by Triode_Kingdom on April 23, 2015 at 06:18:38:
6.3V 5A current draw can definite produce lot of heat, the tube has several intermittent ticking sound during the warming or cooling period.
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Follow Ups
- my 6336 tube has similar ticking sound - bouncy ball 08:27:32 04/23/15 (0)