radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

BK49B

Information - Help 
ID = 43033
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  REGULATOR-/CONTROL-TUBE (general) 
Identical to BK49B

Filament
Information source - - -   
- - -   
- - -
- - -
  bk49b_usa_use.png
  BK49B: Rider's Vol. 9 page Sparks-Withington 10
Götz Linss
 
bk49b_usa_socket.png
BK49B: Rider's Vol. 9 page Sparks-Withington 11
Götz Linss

 

Usage in Models 2= 1937 ; 5= 1938 ; 22= 1939? ; 2= 1939 ; 6= 1940? ; 1= 1941?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):38

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg