AC50 serial number 1578

General views and details of the preamp

As in the power amp - - the main filter caps have been replaced. The mustard coupling caps remain however.

Visible date codes are: "A/64" and "A4N" = first quarter of 1964; "B4N" = second quarter of '64; and one "C4N" = third quarter of the year.

The Welwyn cement resistor at the speaker output terminal block (far left side of preamp) has "VG" = July '64.

As for the pots, their codes are "GL" and "HL" = July and August 1964. The amp was probably made therefore in October or November 1964.

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Vox AC50 serial number 1578, late 1964
Vox AC50 serial number 1578, late 1964
Vox AC50 serial number 1578, late 1964
Vox AC50 serial number 1578, late 1964
Vox AC50 serial number 1578, late 1964
Vox AC50 serial number 1578, late 1964
Vox AC50 serial number 1578, late 1964
Vox AC50 serial number 1578, late 1964
Vox AC50 serial number 1578, late 1964
Vox AC50 serial number 1578, late 1964
Vox AC50 serial number 1578, late 1964
Vox AC50 serial number 1578, late 1964
Vox AC50 serial number 1578, late 1964