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MT69

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ID = 51747
       
Country:
Italy
Brand: Marconi Italiana (Marconifono), Officine / Ufficio Marconi; Genova, Roma
Tube type:  Transmitting Triode, air cooled 
  Ca. 1925 up to 1945 rare.
Identical to MT69 = W69 = RS69

Base Telefunken 3-Pins Top contact screw type.
Filament Vf 10 Volts / If 2.7 Ampere / Direct / Specified voltage AC/DC
Description Compatible with Telefunken RS69 and with Zenith W69.
Used as oscillator-driver in the A 350/1 trailer mounted transmitter. 
Dimensions (WHD)
incl. pins / tip
51 x 206 x 46 mm / 2.01 x 8.11 x 1.81 inch
Weight 189 g / 6.67 oz
Information source -- Original-techn. papers.   La Radio in Grigioverde

rs69_1.png MT69
Emilio Ciardiello

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mt69marconigenova.jpg

MT69
 

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