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ER33

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ID = 19430
       
Country:
United States of America (USA)
Brand: Eveready (Ever Ready), AENMC / National Carbon Company (NCC); Columbia
Tube type:  Vacuum Pentode   Power/Output 
Identical to ER33 = 33 = 233

Base UY-Base, 5 Pins (USA, April 1927)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.26 Ampere / Direct / Battery =
Description Eveready-Raytheon version of 33. Both tubes fitted wit6h four pillar element mounting. 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
x 108 x 45 mm / x 4.25 x 1.77 inch
Weight 48 g / 1.69 oz
 
er33_so.png
ER33: ARRL Handbook 1972
Michael Schlör

 

Usage in Models 1= 1935

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

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