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958

Information - Help 
ID = 15431
       
Country:
Worldwide
Brand: Common type Worldwide tube/semicond.
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Triode, vacuum   Power/Output 
Identical to 958 = VT-212
Similar Tubes
Normally replaceable-slightly different:
  958A ; CV650
First year 1933 -- Original-techn. papers.

Base Acorn 5 pin 5AA (Codex=Ao)
Filament Vf 1.2 Volts / If 0.1 Ampere / Direct / Battery =
Description

Transmitting acorn triode, 350MHz. First introduced by RCA in 1933; source: Waveguide Transmission by George C.Southworth, Bell Labs Series, chapter IX.

 
Literature Taschenbuch zum Röhren-Codex 1948/49   
-- Original-techn. papers.   
 
958.png
958: R.O.
Rudolf Osterkamp

 
958_so.png
958: ARRL Handbook 1972
Michael Schlör

 

Usage in Models 1= 1949

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


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