Quote:
Originally Posted by Electronic M
The NOS one that went bad on me was a 6X5GT....
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There was a large difference. The 6X5 only draws 600ma, heater current@ 6.3 volts. I was tempted to use a 6AX5, but the heater current is 1.2 amps@ 6.3 amps. The Zenith power transformers were undersized, as it was, without adding to the load.