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CV1706

Information - Help 
ID = 65813
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Diode-Pentode   Audio Frequency 
  Ca. 1925 up to 1945 very rare. ***
Identical to CV1706 = VT157_GPO = 2B7 = Ut2B7 = ER2B7 = G-2B7-S = PH2B7
Similar Tubes
Normally replaceable-slightly different:
  2B7EE

Base 7-Pin-Base U7A = small, old, USA Top contact with a cap
Was used by Military and/or Government
Filament Vf 2.5 Volts / If 0.8 Ampere / Indirect / Parallel, (AC/DC)
Dimensions (WHD)
incl. pins / tip
x 116 x 38 mm / x 4.57 x 1.50 inch
Weight 39 g / 1.38 oz
Literature Babani, International Radio Tube Encyclopaedia   Pages 78 & 79
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Page 36
 
2b7~~1.png
CV1706: Fin Stewart
Fin Stewart

 

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