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

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3RP1A vacuum tube outline illustration

Tube-number record

3RP1A

0 archive entries

3RP1A is a tube type in the TubeDatabase archive (class: Special Purpose Tube). Recorded specifications: brand SYLVANIA, construction Display / CRT, socket CRT base (B12 family), and maximum plate voltage 2200 V. The archive does not yet hold a photographed example of this type.

BrandSYLVANIA
ClassSpecial Purpose Tube
BaseCRT base (B12 family)
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeRound Glass
Sections1

Filament / Heater

Heater NotesIndirectly heated cathode

Absolute Maximum Ratings

Plate Voltage2200 V

Typical Operation

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

Application Notes

Anode No. 2 Voltage should not be less than 1500 volts. Brilliance and definition decrease with decreasing Anode No. 2 Voltage.

Datasheets

Datasheet: 3RP1A.pdf

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

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Brands

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    Grid 2 Voltage1100 V
    Grid 1 Voltage-200 V
    H-C Voltage125 V

    Audio Performance

    Key Features
    • 3” Direct Viewed
    • Round Glass Type
    • Electrostatic Deflection
    • Electrostatic Focus