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Description of the voltage amplifier stage V1 and its associated circuitry.
Description of the dual triode driver-inverter stage V2 and its function.
Description of the push-pull output stages V3 and V4 and their operation.
Explanation of the built-in test meter for monitoring cathode current.
Procedure for setting the bias voltage of amplifier tubes.
Procedure for adjusting the amplifier balance for optimal performance.
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