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ER2B7

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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 / 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
er2b7_so.png ER2B7: ARRL Handbook 1972
Anonymous 10 Collector

Just Qvigstad
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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