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

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RD18YH vacuum tube outline illustration

Tube-number record

RD18YH

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RD18YH is a tube type in the TubeDatabase archive (class: Transmitting Triode). Recorded specifications: brand TESLA, construction Triode, base Copper, socket Special / none, maximum plate voltage 15000 V, and maximum plate dissipation 18000 W. The archive does not yet hold a photographed example of this type.

BrandTESLA
ClassTransmitting Triode
BaseSpecial / none

Construction

Primary TypeTriode
EnvelopeLead glass and OFHC copper
Base MaterialCopper
SectionsSingle

Filament / Heater

MaterialThoriated tungsten

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
RF/AF Amplifier15000 V—485045—

Application Notes

The TESLA RD18YH is a water-cooled triode designed for use as an oscillator or RF power amplifier at frequencies up to 30 MHz, or as a Class B AF power amplifier.

Datasheets

Datasheet: RD18YH.pdf

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

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    Plate Voltage15000 V
    Plate Dissipation18000 W
    Cathode Current2.5 mA

    Audio Performance

    Power Output18000 W
    Key Features
    • Water-cooled anode
    • Directly heated cathode
    • Self-supporting tungsten grid
    • Vertical mounting
    • High power output