45 / 90 settings - question
- Thread starter mikeller
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YellowJacket
Well-known member
Probably, which means that there will be lower tube replacement costs!
elvis
Well-known member
There is uneven tube wear even if you use all 4, because the Simul-Class circuit biases them differently. One pair of tubes makes like 3/4 of the power. It's really only about 18W in 45W mode if I recall an earlier discussion correctly.
Whatever the actual power, one pair is biased to be more efficient than the other (one is class AB, the other is hotter-bias class AB).
Whatever the actual power, one pair is biased to be more efficient than the other (one is class AB, the other is hotter-bias class AB).
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