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ER2B7

Information - Help 
ID = 33894
       
Country:
United States of America (USA)
Brand: Raytheon Mfg. Co.; Cambridge, MA
Tube type:  Double Diode-Pentode   Universal   Controlling (mu) 
Identical to ER2B7 = 2B7 = PH2B7 = Ut2B7 = 2B7S = VT157_GPO = CV1706
Similar Tubes
Other shape (e.g. bulb type):
  G-2B7-S
Normally replaceable-slightly different:
  2B7EE
Heater different:
  6B7

Base 7-Pin-Base U7A = small, old, USA Top contact with a cap
Was used by Radio/TV-reception etc.
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
 
er2b7_so.png
ER2B7: ARRL Handbook 1972
Michael Schlör

 

Usage in Models 1= 1934

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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