Vox AC10 serial number 3224
"Amplifier No.2", mid 1960
AC10 serial number 3224, bought new at Yardley's in Birmingham late autumn/early winter by Roy Cresswell. The original emerald green cover, footswitch, and documentation survive. On the circuit of the model, see this page by Glen Lambert.
Preamp
The TCC caps have the date code "QM" = December 1959 for their manufacture. Further pics to follow shortly.
Chassis assembly
A quick illustration of how the chassis assembly of the AC10 mark 2 hinges away from the top of the cabinet to allow access to the valves.
(1) With the amplifier face down on a blanket, undo the two thumbscrews under the chassis top.
One of the two thumbscrews holding the chassis to the underside of the cabinet top.
(2) The assembly can then be tilted back on its hinges towards the speaker.
Board fixed to baffle with removable hinges.
Assembly tilted back.
(3) One can just about reach the valves too through the cutout for the control panel.
View through cutout on the cabinet top.
Valves
At least two of the valves fitted at factory to AC10 serial number 3224 survive: its Mullard ECC83 dated April 1959 ("B9D"), and Brimar ECF82 dated 1st week of August 1959 ("1H9").
Brimar ECF82 dated "1H9" = 1st week August 1959. Note the STC logo above "BRIMAR". STC sold Brimar to Thorn in 1960.