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

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R 145 vacuum tube outline illustration

Tube-number record

R 145

0 archive entries

R 145 is a tube type in the TubeDatabase archive (class: Pentode). Recorded specifications: brand La Radiotechnique, construction Pentode, socket Special / none, maximum plate voltage 225 V, and maximum plate dissipation 2 W. The archive does not yet hold a photographed example of this type.

BrandLa Radiotechnique
ClassPentode
BaseSpecial / none
Filament18 V @ 85 mA

Construction

Primary TypePentode
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesIndirect heating

Absolute Maximum Ratings

Plate Voltage225 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Nominal Conditions200 V550080000044008 mA

Application Notes

A utiliser de préférence en polarisation automatique (Preferably use automatic bias).

Datasheets

Datasheet: R145.pdf

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

Filters

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Manufacturers

Brands

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    Plate Dissipation2 W
    Grid 2 Voltage225 V
    Cathode Current12 mA
    H-C Voltage50 V

    Audio Performance

    Key Features
    • Longue durée (Long Life)
    • Voltage amplifier
    • Indirectly heated cathode