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ID = 78605
United States of America (USA)
Brand: Majestic tubes of Grigsby-Grunow
Developer: Majestic tubes of Grigsby-Grunow 
Tube type:  Vacuum Pentode   Power/Output 
Identical to G-59B
Similar Tubes
Different connections:

Base 7-Pin-Base U7G = Giant, old, USA
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 2 Ampere / Direct / Specified voltage AC/DC
Description This tube was only made by Majestic and is not interchangeable with any other type. It is a triple grid power amplifier type. It differs from the 59 in that it has a direct filament. The base pin where the cathode would be utilised as in the type 59, is not used. 
Dimensions (WHD)
incl. pins / tip
x 135 x 52 mm / x 5.31 x 2.05 inch

majestic_g_59b_pins.png G-59B: Fin Stewart
Fin Stewart

Just Qvigstad


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