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ECH4N Info
Country:  Czechoslovakia      Brand:  Tesla, narodni podnik 
  Tube type:  Triode-Heptode   Frequency converter 
Tube ID = 36677
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Identical to ECH4N
Similar Tubes ECH4 (other shape (e.g. bulb, size))   ECH21 (other base)  

Base Europe side contact base P (P8A) Top contact with a cap
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel, (AC/DC) / If: 0.34 Ampere / Vf 6.3 Volts /

cs_tesla_ech4n.jpg
Wolfgang Lill
Wolfgang Lill

 
No further Information for

ECH4N    

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03DecX