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MT5

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ID = 44398
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Osram-Valves GB (not MO-Valves) 
Tube type:  Transmitting Triode, air cooled   Power/Output 
  <1925 very rare. ***
Identical to MT5 = MT5_MWTCo_1922
Base Europe 3-Pin B3 (Eu H) Top contact with a cap.
Was used by Military and/or Government
Filament Vf 6 Volts / If 2 Ampere / Direct / Specified voltage AC/DC
Description

Ua: 500...1500, Pd: 25 W, Gain: 40, Ri: 100'000

 
Dimensions (WHD)
incl. pins / tip		 52 x 137 x mm / 2.05 x 5.39 x inch
Tube prices 1 Tube prices (visible for members only)
Information source -- Collector info (Sammler)   Banneitz, TB der drahtl. Telephonie u.Telegr. 1927
British Radio Valves - The Vintage Years: 1904-1925   Pages 69. 71 & 126

Just Qvigstad 		mt5_mov_spec.png
MT5: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector
Usage in Models 1= 1920??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
Literature "History of GEC and the Marconi Osram Valve"

Collection of

Robert Gillespie (USA)
Rudolf Osterkamp (D)
Fin Stewart (AUS)
 
screenshot_20220715_135440_gallery.jpg

MT5
 
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