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U709

Information - Help 
ID = 25817
       
Country:
Great Britain (UK)
Brand: Osram-Valves GB (not MO-Valves)
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to U709
Similar Tubes
Normally replaceable-slightly different:
  EZ81

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 6.3 Volts / If 0.95 Ampere / Indirect / Parallel, (AC/DC)
Description Va<350 rms, I<150mA mean. 
Dimensions (WHD)
incl. pins / tip
22 x 68 x mm / 0.87 x 2.68 x inch
Information source - - Manufacturers Literature   
 
gb_gec_u709_valve.jpg
U709: H.C.
Howard Craven

 
u709_so.png
U709: rtt
Michael Schlör

 

from Just Qvigstad

Usage in Models 1= 1956 ; 2= 1957? ; 1= 1958?? ; 1= 1960?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5

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