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3AX31A

Information - Help 
ID = 46516
       
Country:
People's Republic of China
Brand: Common type China (PRC) tube/semicond.
Tube type:  Transistor   Power/Output 
Identical to 3AX31A
Similar Tubes
Normally replaceable-slightly different:
  2SB70 ; 2SB71 ; 3AX31 ; 3AX31B ; 3AX31C

Base Wires
Filament Solid State
Description PNP germanium alloy transistor intended as AF low power amplifier.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
6 x 10 x mm / 0.24 x 0.39 x inch
Weight 1 g / 0.04 oz
Literature
  hongying_df111_audio.png
  3AX31A: Manufacturers manual
Walter Vollenweider
 
3ax31a.jpg
3AX31A: W. V.
Walter Vollenweider

 
to1_ttt_253.gif
3AX31A: TTT Steidle 1981
Günther Stabe

 

Usage in Models 4= 1966?? ; 6= 1967?? ; 48= 1968?? ; 22= 1972?? ; 4= 1974?? ; 2= 1975?? ; 1= 1981??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):87


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