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32L7

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ID = 10723
       
Country:
Worldwide
Brand: Common type Worldwide tube/semicond.
Tube type:  HalfWave Rectifier-BeamPowerTetrode   beam power   Power/Output 
Identical to 32L7
Predecessor Tubes 12A7  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=U)
Filament Vf 32 Volts / If 0.3 Ampere / Indirect
Description Tetrode Section:- Pout =1W at Va=90; Ia=27mA; gm=4.8mA/V
Rectifier Section :- 125V rms input Ia<60mA mean
(Source Brimar Data Book) 
Information source Taschenbuch zum Röhren-Codex 1948/49   
  32l7.png
  32L7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
32l7.jpg
32L7: Michael Gnaedig
Michael Gnaedig-Fischer

 
388_1.png
32L7: Telefunken Werkstattbuch
Wolfgang Bauer

 
32l7_dat.png
32L7: elektron taschenbuch 1952
Heinz Höger


from Just Qvigstad

Usage in Models 1= 1938?? ; 1= 1945??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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