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84=6Z4 Greylock by National Union like new 1950 era (48/40 and 53/40)

84=6Z4 Greylock by National Union like new 1950 era (48/40 and 53/40)

$ 6.99

84=6Z4 Greylock by National Union like new 1950 era

48/40

53/40

 

TESTED on TV-7D/U: 40 is minimum pass for good

NOTE: YOU CANNOT! SUB THESE 6Z4 for the CHINESE branded 6Z4

 

SPECS:

(84=6.3V @ 500ma Filament, 1250V PIV, 60ma)

 

USED IN:

Philco Model 40-180 1939-1940

 

See more: Unknown Type
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