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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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12DP7-B vacuum tube outline illustration

Tube-number record

12DP7-B

0 archive entries

12DP7-B is a tube type in the TubeDatabase archive (class: Oscillograph Tube). Recorded specifications: brand RCA, year 1952, construction Display / CRT, base Plastic, socket Octal, maximum plate voltage 10000 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.

BrandRCA
ClassOscillograph Tube
BaseOctal
Filament6.3 V @ 0.6 mA

Construction

Primary TypeDisplay / CRT
EnvelopeJ96K
Base MaterialPlastic
SectionsSingle

Filament / Heater

Heater NotesAC or DC

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Example 14000 V———0.2 mA
Example 27000 V———0.2 mA

Application Notes

Ultor input power should be limited to 6 watts. For any ultor voltage between 4000 and 10000 volts.

Filters

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Manufacturers

Brands

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    Plate Voltage10000 V
    Plate Dissipation6 W
    Grid 2 Voltage700 V
    Grid 1 Voltage-180 V
    H-C Voltage125 V

    Audio Performance

    Key Features
    • Filterglass faceplate
    • Magnetic Focus
    • Magnetic Deflection
    • Long persistence phosphorescence