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VT-225

Information - Help 
ID = 11823
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   Power/Output 
Identical to VT-225 = 307A

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Hr)
Filament Vf 5.5 Volts / If 1 Ampere / Direct / Parallel, (AC/DC)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
vt225_055r.jpg
VT-225
Jacob Roschy

 
vt225_so.png
VT-225: ARRL Handbook 1972
Michael Schlör

 

Usage in Models 1= 1942?

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


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