5SP1

The datasheet contains no electrical data but this tube has two 5CP1 guns inside. The following data was compiled from "Cathode-ray tube displays", Theodore Soller and others, McGraw-Hill, 1948.

Electrical characteristics:

Max second anode voltage Eb2 : 2,200 V
Max intensifier electrode #3 voltage Eb3: 4,400 V
Max Eb3/Eb2 ratio : 3.0

Typical operating characteristics :

Eb3 voltage : 4,000 V
Eb2 voltage : 2,000 V
Focus voltage range : 362 V to 695 V
Grid cut-off voltage : -60 V
Deflection Factor : 92 V/inch for d1d2 ; 79 V/inch for d3d4

5SP1 datasheet