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ID = 6258
United States of America (USA)
Brand: RCA (RCA Victor Co. Inc.); New York (NY)
Tube type:  Triode, vacuum 
Identical to 8056

Base Nuvistor
Filament Vf 6.3 Volts / If 0.135 Ampere / Indirect / Parallel, (AC/DC)
Description The 8056 is NOT electrically the same as the 6CW4 - as one can read sometimes. It has a lower gain (12 vs 68 for 6CW4), and a higher plate current at a lower voltage (9.5mA @ 24V vs 7.2mA @ 70V for 6CW4). The plate characteristic curves are quite different. 
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Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
  8056: Tektronix 422 Scope Auszug aus Schaltplan
Anonymous 88 Collector
Anonymous 413 Collector

8056: RTT Schwandt
Günther Stabe † 19.8.20

8056: RCA Tube Manual
Peter Hoddow

from Just Qvigstad

Usage in Models 1= 1960?? ; 5= 1965 ; 1= 1977?

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

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