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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 / Parallel / series 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
 
6u8a_rca.jpg
6U8A: My tubes
Anonymous 413 Collector

 
no55_g_24.gif
6U8A: RTT Schwandt
Günther Stabe † 19.8.20

 
6u8a_techdat01.png
6U8A: RCA Tube Manual
Peter Hoddow


from Just Qvigstad

Usage in Models 1= 1954? ; 3= 1956? ; 1= 1957?? ; 44= 1957? ; 4= 1957 ; 1= 1958?? ; 11= 1958? ; 94= 1958 ; 75= 1959? ; 115= 1959 ; 4= 1960?? ; 5= 1960? ; 6= 1960 ; 14= 1961? ; 3= 1961 ; 1= 1962?? ; 7= 1962? ; 4= 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):407


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