AC100 serial number 531, an early "100W Amplifier", produced around July 1965 and exported to the USA early on, as many of these AC100s were.

On this page, pictures principally of the power section. General views of the exterior are here.

For related amps, see the main "100W Amplifier" page.

Inputs

Voltage selector etc.

Choke, stamped with part number twice.

General view of power section.

Power section board.

Fixed bias network. Original gold-coloured zener diodes made by the "International Rectifier Co.", date code "VK" = November 1964.

Green TCC capacitor, date code "VK" = November 1964.

0.25uf Radiospares capacitor.

Underside of mains transformer.

Bleeder resistor, Welwyn 18K, date code "WA" = January 1965.

Underside of output transformer.

Original Cannon speaker connector at left, and two added jack outputs.

Wiring of Amphenol mains socket - original cable with old British colours: red, black and green.