84=6Z4 Philco used 1950's (44/40 and 46/40)
$ 4.99
84=6Z4 Philco used 1950's - small chip out of bottom edge of base
44/40
46/40
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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