[Amps] SK-1420 with a 4CX3000a ???

[w4asm@mindspring.com (Jack Brabham KZ5A)]

Does anyone know if a SK 1420 socket,  which I believe is intended for a =
5CX3000A pentode, is usable with a 4CX3000A, or be "field modifiable" =
for that use?

Thanks and 73

Jack Brabham - KZ5A







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