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ID = 6257
Tube type:  Beam Power Tube 
Identical to 8042 = QC05/35
Similar Tubes
Normally replaceable-slightly different:

Base Top contact with a cap
Filament Vf 1.6 Volts / If 3.2 Ampere / Direct /
Tube prices 0 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   

8042: R. Aufils
Raynal Aufils

8042: RTT Schwandt
Günther Stabe


Usage in Models 1= 1966 ; 1= 1967 ; 1= 1977

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):3

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