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In Reply to: Bias settings in solid state amp? adjustable, and higher would be more class "A"...? posted by Elizabeth on May 2, 2012 at 10:56:25:
2, 3, or 4?
Do not exceed 150°F heatsink temperature.
Measured with an IM analyzer, there is a definite 'sweet spot' for distortion, and it's not all that high. Harmonic distortion does not seem to change much with bias, but IM distortion does.
Proceed with caution, and you can always change it back if need be.
On a Bryston 2B the optimum distortion was at about 50mA, or about 20mV across the emitter resistors. On a 3 or 4 this would be 100mA total, or about 20mV for each device's emitter resistor.
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Follow Ups
- Which model? - djk 18:10:54 05/02/12 (0)
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