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ID = 5777
Tube type:  Triode-Beam Power Tube   Audio Frequency 
Identical to 50BM8 = UCL82
Similar Tubes
Heater different:

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 50 Volts / If 0.1 Ampere / Indirect / Series, AC/DC
Dimensions (WHD)
incl. pins / tip
20 x 76 x mm / 0.79 x 2.99 x inch
Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Röhren-Taschen-Tabelle, (Franzis RTT)   
50BM8: P.H.
Peter Hoddow

50BM8: RTT Schwandt
Günther Stabe † 19.8.20

50BM8: RCA Tube Manual
Peter Hoddow

from Just Qvigstad

Usage in Models 4= 1960? ; 1= 1967 ; 1= 1968?? ; 1= 1969??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):7

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