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ECH4N

Information - Help 
ID = 36677
       
Country:
Czechoslovakia
Brand: Tesla; Praha, Bratislava etc.
Tube type:  Triode-Heptode   Frequency converter 
Identical to ECH4N
Similar Tubes
Other shape (e.g. bulb type):
  ECH4
Other base:
  ECH21

Base Europe side contact base P (P8A) Top contact with a cap
Filament Vf 6.3 Volts / If 0.34 Ampere / Indirect / Parallel, (AC/DC)
 
cs_tesla_ech4n.jpg
ECH4N: Wolfgang Lill
Wolfgang Lill

 


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