2 NOS General Electric 27 Radio Vacuum Tubes - 1950\'s Vintage RF Triodes - NICE
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2 NOS General Electric 27 Radio Vacuum Tubes - 1950\'s Vintage RF Triodes - NICE:
$23.95
27
2 NOS General Electric 27 Vacuum Tubes
1950’sVintage Triodes
These new-old-stocktubes have been tested for mutual conductance. On my Hickok TV-7D/U tester theyread 48 and 50. A reading of 25 would represent the minimum recommended value.
The 27 (aka 127,227, 327, 427) is a receiving triode detectoramplifier tube. It is used in AM radio receivers made in the 1920’s and 1930’s.