R L Measures wrote:
> Just how the AL-1500's designer came to the conclusion that 5000-ohms
> of feedback XC at the tube's max freq rating could not cause
> oscillation is a mystery.
Maybe he didn't. Feedback C is but one of many factors contributing to
oscillation, and one over which the designer has no influence. Perhaps
he believed/designed/intended that other elements of the circuit
prevented gain>1 and phase=0 without the need for an anode auppressor.
Steve
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