Please click your language flag. Bitte Sprachflagge klicken.


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

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 1.6 Volts / If 3.2 Ampere / Direct / Specified voltage AC/DC

Box and print on tube suggest variant of 4652.

Dimensions (WHD)
incl. pins / tip
42 x 97 x mm / 1.65 x 3.82 x inch
Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   

oc196_g.gif 8042: RTT Schwandt
Günther Stabe † 19.8.20

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

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


You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]