AC50 serial number 2031
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Note on the serial number plate the hand-stamping of "AC50", but the machine-stamped "02031".
Valve rectified, twin channel, conforming to the AC50 Mark 2 schematic. Originally a dome voltage selector, since replaced with a link selector.
One can just make out the date code on the large 0.1uf mustard capacitors on the right-hand side of the preamp 8/64 = August 1964.
Pot codes "IL" and "GL" = September and July 1964.
Above, the cab. Still JMI. Note however the solid-state style logo = 1967. Pictured above in its partially restored condition.