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ID = 46196
United States of America (USA)
Brand: DuMont Labs, Allen B., Inc.
Developer: DuMont Labs, Allen B., Inc. 
Tube type:  CRT (cathode ray tube, picture tube)   Indication 
Identical to 5SP7
Similar Tubes
Normally replaceable-slightly different:
  5SP2 ; 5SP7-A
First Source (s)
25.Aug.1945 : Electron Tube Registration List rec. 431

Base Diheptal (14 pin glass U14)
Was used by Technology / Measurement
Filament Vf 6.3 Volts / If 1.2 Ampere / Indirect
Description 5-inch dual-gun CRT, electrostatic focus and deflection. P7 blue-yellow long persistence phosphor.
1.5 to 4KV post-accelerator electrode voltage. 
Dimensions (WHD)
incl. pins / tip
133 x 470 x mm / 5.24 x 18.50 x inch
Information source -- Original-techn. papers.   

5sp1_pin~~2.png 5SP7: Manufacturer's Literature
Emilio Ciardiello

Just Qvigstad
5SP7: Manufacturer's Literature
Emilio Ciardiello

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