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6R-A3

Information - Help 
ID = 63697
       
Country:
Japan
Brand: Common type Japan tube/semicond.
Tube type:  Triode, vacuum   Power/Output 
Identical to 6R-A3

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 6.3 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Description

Constructed as tetrode with 2 grids. Grid # 2 is internally connected to the anode.

Pin allocation: 1 Anode + G2; 2 nc, 3 Anode, 4 nc, 5 & 6 Heizung, 7 nc, 8 G1, 9 K.

 
Text in other languages (may differ)
 
6r_a3_1.jpg
6R-A3: Eigene Sammlung
Peter Gruschka

 

from Just Qvigstad

Usage in Models 1= 1976

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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