Friday, January 9, 2026

GIBSON: GA-40 Schematic

5879 pentode premap, which is an improved version of the E8F6 - uses a Vox style cut control across the plates of the phase inverter.  Paraphase inverter, driving 2 x cathode biased 6V6.

GIBSON GA-40 GUITAR AMPLIFIER SCHEMATIC

GIBSON GA-40 GUITAR AMPLIFIER SCHEMATIC


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