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ID = 19774
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Identical to A306_UV199 = DE3_UV199 = AWA99 = 499 = PR51_Condor
Similar Tubes
Normally replaceable-slightly different:
  306x ; UV199
Other base:
  A306_UV ; A306_UX4 ; PR36_Pope

Base UV199
Was used by Radio/TV-reception etc.
Filament Vf 3 Volts / If 0.06 Ampere / Direct / Battery =

This tube is made with UX4, UV199 and B4 base. It was in fact an UV/UX199 replacement. The most common version has a B4 base and a different envelope. See datasheet.

Dimensions (WHD)
incl. pins / tip
25 x 79 x 25 mm / 0.98 x 3.11 x 0.98 inch
Weight 21 g / 0.74 oz
Information source - - Manufacturers Literature   R38H 1-12-1925

uv199base.png A306_UV199
Peter den Boer

Just Qvigstad
A306_UV199: own collection
Peter den Boer

Collection of




This one has a UX4 base.

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