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Information - Help 
ID = 11890
United States of America (USA)
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Double Beam Power Tube   VHF 
Identical to 829A
Similar Tubes
Other shape (e.g. bulb type):
  829 ; 829B
Multiple differences or of other kind:
First Source (s)
24.Sep.1943 : Tube Lore (I)
Predecessor Tubes 829  
Successor Tubes 829B  

Base Septar (1+6 pins) (Codex=sp) 2 Top contacts.
Was used by Transmittertube (Radio)
Filament Vf 12.6 Volts / If 1.125 Ampere / Indirect / Specified voltage AC/DC

Dual VHF beam tetrode; T16 hard-glass bulb, two plate top pins.
Similar to 829, modified removing mica spacers or replacing them with ceramic inserts.
Also used as pulse generator for voltages up to 5KV.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
58 x 105 x mm / 2.28 x 4.13 x inch
Weight 100 g / 3.53 oz
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore (II)   p. 77

829a_so.png 829A: ARRL Handbook 1972
Anonymous 10 Collector

829A: AARL Handbook 48
Jacob Roschy

Collection of



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