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

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3KP1 vacuum tube outline illustration

Tube-number record

3KP1

0 archive entries

3KP1 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand SYLVANIA, construction Display / CRT, base Medium Shell Magnal, socket CRT / special base, maximum plate voltage 2750 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.

BrandSYLVANIA
ClassCathode Ray Tube
BaseCRT / special base
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeJ24N
Base MaterialMedium Shell Magnal
Sections1

Filament / Heater

Heater Notes0.6 Ampere nominal

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation2000 V————

Application Notes

Anode No. 2 power input should be limited to 6 watts. Recommended minimum Anode No. 2 voltage for Type 3KP1 is 1000 volts.

Datasheets

Datasheet: 3KP1.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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Manufacturers

Brands

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    Plate Voltage2750 V
    Plate Dissipation6 W
    Grid 1 Voltage-220 V
    H-C Voltage140 V

    Audio Performance

    Key Features
    • 3 inch Direct Viewed
    • Round Glass Type
    • Clear Spherical Faceplate
    • Electrostatic Deflection
    • Electrostatic Focus