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6U8A

Information - Help 
ID = 3986
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode-Pentode   Universal 
Identical to 6U8A = 6KD8
Similar Tubes
Normally replaceable-slightly different:
  6678
Heater different:
  5U8 ; 6U8 ; 9U8A
First Source (s)
23.Apr.1956 : Electron Tube Registration List
Successor Tubes 7059  
Base Noval, 9 pin miniature (USA pico-9) B9A
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.45 Ampere / Indirect / Specified voltage AND current AC/DC
Description

Similar to 6U8 with controlled heater warm-up and increased heater to cathode voltage. Intended for 450mA series heater connection in American television sets. 200V max heater to cathode insulation.
Unilateral replacement for 6U8.

 
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
6u8a_sch.png
6U8A: RCA Tube Manual
Heinz Höger
no55_g_24.gif 6U8A: RTT Schwandt
Günther Stabe † 19.8.20
More ...
Just Qvigstad 		6u8a_techdat01.png
6U8A: RCA Tube Manual
Peter Hoddow
More ...
Usage in Models 1= 1954? ; 3= 1956? ; 1= 1957?? ; 43= 1957? ; 6= 1957 ; 1= 1958?? ; 28= 1958? ; 80= 1958 ; 75= 1959? ; 117= 1959 ; 5= 1960?? ; 5= 1960? ; 6= 1960 ; 14= 1961? ; 3= 1961 ; 2= 1962?? ; 7= 1962? ; 5= 1962 ; 1= 1963?? ; 1= 1963? ; 3= 1963 ; 4= 1964 ; 2= 1965?? ; 1= 1965? ; 1= 1966?? ; 1= 1967
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):416

Collection of

Collection of a member from FIN
Karlheinz Fischer (D)
Antonio Rabitti (BR)
Museum Roggenhofer (A)
Martin Steyer (D)
Christian Schaufelberger (CH)
Oskar Elm (D)
Robert Gillespie (USA)
Emilio Ciardiello (I)
George Papaiz (CDN)
Collection of a member from FIN
Craig Hollabaugh (USA)
Danko Tkalec (HR)
Patrice Zeissloff (F)
Ottmar Rollmann (D)
Stig Comstedt (S)
Tomasz Szczesniak (PL)
Michael Gnaedig-Fischer (MEX)
Peter Pfeiffer (D)
Franco Antolini (I)
David Erali (USA)
Emilio Focosi (I)
Heinz Höger (D)
Collection of a member from D
Bruno Candreia (CH)
 
6u8a_rca.jpg

6U8A
 
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