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ID = 82147
United States of America (USA)
Brand: General Electric Co. (GE); Bridgeport CT, Syracuse NY
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   Text 
Identical to FR-300
Similar Tubes
Normally replaceable-slightly different:

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 1.1 Volts / If 1.25 Ampere / Direct / Specified current AC/DC ~ = (Series working)

This tube was designed by GE as an industrial version of the UX864. It is described as  a Pliotron. Low microphonic.

Dimensions (WHD)
incl. pins / tip
x 90 x 30 mm / x 3.54 x 1.18 inch
Weight 32 g / 1.13 oz
Information source - - Manufacturers Literature   GE Vacuum Tube Designations 12/10/1930
FR-300: Fin Stewart
Fin Stewart


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