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1223

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ID = 9701
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 1223
Similar Tubes
Other class quality (otherwise equal):
  6J7G
Other base:
  1221
Predecessor Tubes 6C6  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf)
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Description

Octal version of 1221, low-microphonics 6C6.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
Tube Lore (I)

7r.png 1223
Emilio Ciardiello

More ...

Just Qvigstad
1223babanidoc.png
1223: Babani 1951-1954
Patrice Zeissloff

Collection of

Collection of a member from FIN
 
1223_sylvania.jpg

 

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