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

OP70/1000

Information - Help 
ID = 25835
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to OP70/1000
Similar Tubes
Normally replaceable-slightly different:
  75-1000
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)

Base Jumbo 4-pin bayonet (1918)
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 1.5 Ampere / Direct / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
x 194 x 57 mm / x 7.64 x 2.24 inch
Information source Babani, International Radio Tube Encyclopaedia   p. 208 & 209
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 359, p. 828
Taschenbuch zum Röhren-Codex 1948/49

op701000.png OP70/1000: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

More ...

Just Qvigstad
h_tungsram_op70_1000_dimension.png
OP70/1000: Tungsram, in Januar. 1936, I. Auflage.
Sándor Selyem-Tóth

More ...

Collection of

 
st_1.jpg

OP70/1000
 

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]
  

Data Compliance More Information