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EM4N

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ID = 34700
       
Country:
Czechoslovakia
Brand: Tesla; Praha, Bratislava etc.
Tube type:  Mag. Eye, 2 ranges, 4 shadow angles   Indication 
Identical to EM4N
Similar Tubes
Normally replaceable-slightly different:
  EM4 ; EM5
Other base:
  EM11

Base Europe side contact P8A (Au P, 8SC)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Specified voltage AND current AC/DC
Description

Das Leuchtbild entspricht der EM5.
4 Sektoren, anstatt 2 bei der EM4.

 
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   

91~~1.png EM4N: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
em4n_data.png
EM4N: Tesla, Manual 1959
Anonymous 15 Collector

Collection of

 
em4n_a.jpg

EM4N
 

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