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ID = 55556
Brand: Common type Worldwide tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to S6F33 = CV4064
Similar Tubes
Other class quality (otherwise equal):
  6F33 ; CV2209
Other base:

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.35 Ampere / Indirect / Specified voltage AC/DC
Description Ruggedised version of the 6F33, CV2209
Short cut-off suppressor grid characteristics. Used in RF, modulator and counting circuits.

Has a limiting diode connected to g3. 

Information source - - -   
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S6F33: KV
Kauko Virtanen

S6F33: ARRL Handbook 1972
Anonymous 10 Collector


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