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DB3-91

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ID = 34594
       
 
   
Tube type:  Oscilloscope CRT, picture tube 
Identical to DB3-91
Similar Tubes
Multiple differences or of other kind:
  DH3-91
Base Loctal-8, B8G (Sylvania, 1938)
Filament Vf 6.3 Volts / If 0.55 Ampere / Indirect / Specified voltage AC/DC
Description 3 cm blue screen CRT, electrostatic focus and deflection. 28 mm useful screen.
500V accelerating potential, 0.22 mm/V vertical deflection sensitivity, 0.19 mm/V horizontal sensitivity.
Similar to DH3-91, except for the high writing speed blue screen. 
Information source - - Manufacturers Literature   
db391_so.png DB3-91: rtt
Anonymous 10 Collector

Just Qvigstad 		db_dg_dh_types_list_blue_for_see_text_dg_serial_types~~4.png
DB3-91: Röhren Taschen Tabellen 13.Auflage (Nachdruck 1981)
Adrian Riesen
 
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