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

CV657

Information - Help 
ID = 9873
       
 
   
Tube type:  Vacuum Pentode   Audio Frequency 
Identical to CV657 = 1620_Pentode
Similar Tubes
Normally replaceable-slightly different:
  6J7 ; VT-91

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf)
Was used by Military and/or Government
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

6j7_7.png CV657: Manufacturer's Literature
Emilio Ciardiello

More ...

Just Qvigstad
 

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