· V 5 (B) (6 T 8) Balancing diode (differential meter amplifier circuit) V 5 (C) (6 T 8)...
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· V 5 (B) (6 T 8) Balancing diode (differential meter amplifier circuit) V 5 (C) (6 T 8) Quasi-peak detector V5 (D) (6 T 8) Audio amplifier Block diagram from the 704B manual. Mallory
