Automatic bias control modules

Your tube amplifier can easily complement circuits (purely analog), allowing for fully automatic bias control and get rid of the constant adjustment of end stage which is necessary due to aging tubes.

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Automatic bias control system AB-2. Dimensions 74x42 mm
Automatic bias control module for two triode output stages or two pentode push-pull (PP) tube AB-2
Automatic bias control system AB-4. Dimensions 74x77 mm.
Automatic bias control module for four triode output stages or four pentode push-pull (PP) tube ...
Availability: In stock
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