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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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3WP- vacuum tube outline illustration

Tube-number record

3WP-

0 archive entries

3WP- is a tube type in the TubeDatabase archive (class: Cathode-Ray Tube). Recorded specifications: construction Display / CRT, base Plastic, socket Duodecal, maximum plate voltage 2500 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.

ClassCathode-Ray Tube
BaseDuodecal
Filament6.3 V @ 0.6 mA

Construction

Primary TypeDisplay / CRT
Envelope3-inch Flat Face Glass
Base MaterialPlastic
SectionsSingle-gun

Filament / Heater

Heater Notes+/- 10%

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operating Condition1500 V————

Application Notes

For optimum focus the average potentials of the deflection plates and second anode should be the same. The product of Accelerator voltage and average Accelerator current should be limited to 6 watts.

Filters

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Manufacturers

Brands

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    Plate Voltage2500 V
    Plate Dissipation6 W
    Grid 2 Voltage1000 V
    Grid 1 Voltage-200 V
    H-C Voltage180 V

    Audio Performance

    Key Features
    • Tight tolerances
    • High sensitivity
    • Flat face
    • Reduced parallactic error
    • Industrial type