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RT636_6pin

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ID = 81567
       
Country:
France
Brand: Dario (tubes) - voir aussi La Radiotechnique
Tube type:  Triode, vacuum   Universal 
Identical to RT636_6pin
Similar Tubes
Other base:
  RT636
Other base and other heater:
  R36
First year 1927 Saga of the Vacuum Tube, Tyne pp 404-406
First Source (s)
Jan.1928 : La science et la vie

Base Radiotechnique 6 pins (B4+2)
Was used by Radio/TV-reception etc.
Filament Vf 0.6 Volts / If 1 Ampere / Direct / Specified voltage AC/DC
Description

This is an early AC tube, dated 1927.

 
Information source Saga of the Vacuum Tube, Tyne   pp 404-406

b4_plus_2_sockel_2~~2.png RT636_6pin: Patrice Zeissloff
Stefan Müller

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rt636_rt643_rt656_radiotechnique_1.png
RT636_6pin: Manufacturers data
Patrice Zeissloff

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Usage in Models 1= 1927

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

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