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25

Information - Help 
ID = 3594
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to 25 = 25S
Similar Tubes
Other shape (e.g. bulb type):
  G-25-S
Other class quality (otherwise equal):
  NU-25

Base 6-Pin-Base U6A, old, USA (Codex=Kdo)
Filament Vf 2 Volts / If 0.06 Ampere / Direct / Battery =
 
25s_sock~~1.png
25: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 

from Just Qvigstad

Usage in Models 2= 1931?? ; 3= 1933

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

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