XM triode
Dateafter 1926
Inventory NumberVT0814
ClassificationVacuum Tube
Maker
Western Electric Company
1869 - 1995
Cultural Region
Place of Origin
Dimensions19.2 × 5.1 × 5.1 cm (7 9/16 × 2 × 2 in.)
DescriptionINTERNAL CHOKE COILS Similar to RCA 8005
InscribedEnvelope etched "7105 1"
FunctionTransmitting filamentary triode. Used as oscillator, amplifier, or modulator. Graded to facilitate matching in pairs. Chokes in plate and grid leads to suppress HF parasitic oscillations.
Radio Corporation of America
Date: circa 1921
Object number: RS0723
Date: late 19th-early 20th Century
Object number: RS0168
