Alpha 87A, 89, 91b, 99, 8100, 8410, 8406


Alpha 77D,DX,SX:

repairs

2nd tube addition

big rectifiers

big fuse holders


Alpha 76, entire line

repairs

3rd tube (for two-holers)

Upgrade tubes to a pair of 3CX800's

WARC fix

QSK upgrade

meter doubler shunt


Alpha 78

repairs

WARC fix

Upgrade tubes to a pair of 3CX800's

low drive fix (where necessary)

meter doubler shunt


Alpha 374-A

repairs

WARC fix

Upgrade tubes to a pair of 3CX800's

Add 3rd 8874 tube

QSK upgrade