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

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3MP1 vacuum tube outline illustration

Tube-number record

3MP1

0 archive entries

3MP1 is a tube type in the TubeDatabase archive (class: Oscilloscope Tube). Recorded specifications: brand SYLVANIA, construction Display / CRT, base Plastic, socket Duodecal, and maximum plate voltage 2750 V. The archive does not yet hold a photographed example of this type.

BrandSYLVANIA
ClassOscilloscope Tube
BaseDuodecal
Filament6.3 V @ 0.6 mA

Construction

Primary TypeDisplay / CRT
EnvelopeJ24P Round Glass
Base MaterialPlastic
SectionsSingle Beam

Filament / Heater

Heater Notes0.6 +/- 10% Ampere

Absolute Maximum Ratings

Typical Operation

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

Datasheets

Datasheet: 3MP1.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
    Grid 1 Voltage-220 V
    H-C Voltage140 V

    Audio Performance

    Key Features
    • Direct Viewed
    • Round Glass Type
    • Clear, Spherical Faceplate
    • Electrostatic Focus
    • Electrostatic Deflection
    • Medium Persistence
    • Green Fluorescence