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12BR7

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ID = 5320
       
 
   
Tube type:  Double Diode-Triode 
Identical to 12BR7

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 12.6 Volts / If 0.225 Ampere / Indirect
Description Durch Heizfaden-Mittenanschluss auch Betrieb mit 6.3 V und 0.45 A möglich. 
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   

12br7.png
12BR7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

12br7.png 12BR7: Datenblatt
Wolfgang Bauer


Just Qvigstad
12br7_data.png
12BR7: RCA Manual RC-21
Heinz Höger

Usage in Models 108= 1956? ; 16= 1956 ; 2= 1957? ; 31= 1957 ; 42= 1958 ; 1= 1960?? ; 1= 1963

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):201

Collection of

 
12br7.jpg

12BR7
 

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