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ID = 19980
United States of America (USA)
Tube type:  Transmitting Tube, Pentode, air cooled 
Identical to 803 = GL803
Similar Tubes
Normally replaceable-slightly different:
  322A_WE ; 5C/101A ; VT-106
Other class quality (otherwise equal):
  38803 ; CV623

Base Giant 5 pin medium shell USG5 Bayonet Top contact with a cap.
Filament Vf 10 Volts / If 5 Ampere / Direct

Giant 5-pin ceramic base. Graphite anode, G3 wired out for suppressor modulation. Thoriated tungsten filament.
125W anode dissipation, 20MHz full ratings.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
64 x 240 x mm / 2.52 x 9.45 x inch
Weight 314 g / 11.08 oz
Tube prices 3 Tube prices (visible for members only)
Information source Tube Lore (I)   
803: aus eigener Sammlung
Karl-Heinz Entrich

803: ARRL Handbook 1972
Michael Schlör

803: RCA Technical Manual TT3
Miguel Angel Trujillo-Rodriguez

from Just Qvigstad

Usage in Models 1= 1924??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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