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

ACHL4DD

Information - Help 
ID = 13737
       
Country:
Great Britain (UK)
Brand: 362 Valve Co., Ltd. (The ...)
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to ACHL4DD
Similar Tubes
Normally replaceable-slightly different:
  TDD4
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)

Base British-7-Pin, old (M7A) (Codex=Nb)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Information source History of the British Radio Valve to 1940   p. 151
Taschenbuch zum Röhren-Codex 1948/49   

achl4dd_sock.png ACHL4DD: Tabu Röhren-Codex, 1948
Anonymous 15 Collector


Just Qvigstad
achl4dd.png
ACHL4DD: Röhren-Vademekum 1947
Helmut Weigl

Collection of

 
achl4dd.jpg

 

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