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

VT157_GPO

Information - Help 
ID = 65812
       
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 VT157_GPO = ER2B7 = G-2B7-S = PH2B7 = CV1706 = 2B7
Similar Tubes
Normally replaceable-slightly different:
  2B7EE ; Ut2B7
Base 7-Pin-Base-general, old, USA Top contact with a cap.
Was used by Telephony
Filament Vf 2.5 Volts / If 0.8 Ampere / Indirect / Specified voltage 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
Information source -- Collector info (Sammler)   
2b7.png VT157_GPO: Fin Stewart
Fin Stewart
 
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