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B7S4

Information - Help 
ID = 21098
       
Country:
Germany
Brand: Funkwerk Erfurt, VEB, RFT (Ostd.) - vorm. Telefunken GmbH
Tube type:  Oscilloscope CRT, picture tube   Indication 
Identical to B7S4
Similar Tubes
Other characteristic (electr. data):
  B7S4DN

Filament Vf 6.3 Volts / If 0.34 Ampere / Indirect / Specified voltage AC/DC
Weight 370 g / 13.05 oz
Tube prices 1 Tube prices (visible for members only)
 
d_b7s4_2011.jpg
B7S4
Jürgen Tiedmann

 
d_funkweerf_b7s4_sockel.png
B7S4: Radio Fernseh Elekronik
Mario Spitzer

 
d_funkweerf_b7s4.png
B7S4: Radio Fernseh Elekronik
Mario Spitzer



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