OTL Asylum

OTL, Output Transformerless Amplifier User Group.

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Original Message

RE: NYAL OTL 3

Posted by Mike Mount on December 10, 2010 at 20:43:37:

I alway saw this variability (in [trans]conduction?) in my OTL3s
there were issues with getting (overpriced) tubes
and rarely ever matched one another.

My tubes would routinely pulse... purple.

I think that Ralph (as typically is the case) is correct
that some tubes under a dynamic load draw more
that others in the circuit.

The AS M60 (in background) was the best solution...