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218_pent

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ID = 21322
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   Power/Output 
Identical to 218_pent = 18
Similar Tubes
Normally replaceable-slightly different:
  118_pent ; KR18

Base 6-Pin-Base U6A, old, USA
Was used by Radio/TV-reception etc.
Filament Vf 14 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Dimensions (WHD)
incl. pins / tip
x 103 x 38 mm / x 4.06 x 1.50 inch
Weight 34 g / 1.20 oz
Information source Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren   

218_pentode_so.png 218_pent: ARRL Handbook 1972
Anonymous 10 Collector


Just Qvigstad
 

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