TRIODE
Dateafter 1931
Inventory NumberVT3964
ClassificationVacuum Tube
Maker
Western Electric Company
1869 - 1995
Place of OriginNew York, New York
Dimensions10.5 x 3.8 cm (4 1/8 x 1 1/2 in.)
Overall - Storage: 12.6 x 4.6 x 4.6 cm (4 15/16 x 1 13/16 x 1 13/16 in.)
Overall - Storage: 12.6 x 4.6 x 4.6 cm (4 15/16 x 1 13/16 x 1 13/16 in.)
DescriptionReceiving triode,If heater-cathode voltage exceeded 30 V RCA 1603 was recommended instead.
FunctionReceiving Triode used as an AF amplifier where low tube noise was required. Designed to minimize hum produced by AC operation of the heater and to minimize microphonic noise. Manufacture discontinued 1938
