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Information - Help 
ID = 73241
Brand: Mazda (tubes), Mazda-Belvu, Compagnie des Lampes; Paris
Tube type:  Double Beam Power Tube   Power/Output 
Identical to 4Y100D = 7745

Base Septar (1+6 pins) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 12.6 Volts / If 3.6 Ampere / Indirect / Parallel, (AC/DC)
Double beam power tetrode formed with two 4Y100A1 elements.
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
71 x 135 x mm / 2.80 x 5.31 x inch
Information source - - Manufacturers Literature   
4Y100D: Mazda Belvu
Patrice Zeissloff

4Y100D: Mazda Belvu
Patrice Zeissloff

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