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CV358

Information - Help 
ID = 29229
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Developer: Mullard Radio Valve Co. Ltd.;  
Tube type:  Vacuum Pentode   Audio Frequency 
Identical to CV358 = EF37A = OM5B = VT201_GPO = 5A/157D
Similar Tubes
Other class quality (otherwise equal):
  CV1056 ; EF37 ; OM5
Other characteristic (electr. data):
  CV432

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Parallel / series AC/DC
Description Low hum and low microphony version of the EF37 and OM5.
Typically Va=250, Vg2=100, -Vg1=2. Ia=3mA, gm=1.8mA/V. 
Dimensions (WHD)
incl. pins / tip
32 x 100 x mm / 1.26 x 3.94 x inch
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
cv358_ecb.jpg
CV358
Emilio Ciardiello

 
oc10_1~~1.png
CV358: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 

Collection of a member from FIN
Collection of a member from D

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