A Vox AC30/6 chassis from mid 1964
Pictures and notes on a Vox AC30 chassis assembled for JMI by Westrex in mid 1964. Transformers are Albiona, the choke too; grey panel; link voltage selector. Signal capacitors are gold-coloured WIMA Tropyfoil (Tropyfol). Underchassis, the green TCC capacitor has the date code "UM" = December 1963, so too the green Welwyn resistor. The 50R cathode bias resistor has "VA" = January 1964. Four of the original yellow print Mullard ECC83s have manufacturing date codes "B4C5" = last week of March 1964. Four have finishing date codes "LE" = May 1964, and the fifth has "KH" = August 1963. The chassis is initialed in pencil "DP"