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CV1311

Information - Help 
ID = 17607
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Developer: Standard Telephones and Cables Ltd. (STC); London, Foots Cray 
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Identical to CV1311 = AR13 = ZA5712 = 4631 = R87
Similar Tubes
Other shape (e.g. bulb type):
  3A/108A
Normally replaceable-slightly different:
  CV1664
Predecessor Tubes 4022AR  

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Telephony
Filament Vf 4 Volts / If 0.25 Ampere / Direct
Description

190V max anode voltage, 2.2mA/V mutual conductance, gain 12. Designed as a telephone repeater tube.

 
Dimensions (WHD)
incl. pins / tip
57 x 114 x mm / 2.24 x 4.49 x inch
Weight 65 g / 2.29 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Original-techn. papers.   
 
ar13_1.png
CV1311: Manufacturer's Literature
Emilio Ciardiello

 

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