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VT-220

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ID = 17385
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Transmitting Triode, air cooled 
Identical to VT-220 = 250TH = CV2589

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bz)
Filament Vf 5 Volts / If 10.5 Ampere / Direct / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
vt_220_2.jpg
VT-220: mfG ebay-Verkäufer monamoure
Franz-Josef Haffner

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250th_1.png
VT-220: Datenblatt
Wolfgang Bauer

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from Just Qvigstad

Usage in Models 1= 1940??

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

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