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TP2620

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ID = 10318
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Triode-Pentode   RF/IF-Stage   Controlling (mu) 
Identical to TP2620
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)

Base B9 British 9-Pin (Codex=Yb) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 26 Volts / If 0.2 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Description

Grid from top cap.

 
Information source History of the British Radio Valve to 1940   p. 149 & 200
- - Manufacturers Literature   
Wireless World (The), London (WW, 79)
Babani, International Radio Tube Encyclopaedia

611_2.png TP2620: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
tp2620.png
TP2620: own collection
Peter den Boer

Usage in Models 1= 1934?? ; 1= 1934 ; 1= 1935? ; 8= 1935 ; 9= 1936 ; 5= 1937

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):25

Collection of

 
mazda_tp2620.jpg

TP2620
 

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