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

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AW47-90 vacuum tube outline illustration

Tube-number record

AW47-90

0 archive entries

AW47-90 is a tube type in the TubeDatabase archive (class: Television Tube). Recorded specifications: brand Mullard, construction Display / CRT, base Glass, socket CRT base (B8H), and maximum plate voltage 18000 V. The archive does not yet hold a photographed example of this type.

BrandMullard
ClassTelevision Tube
BaseCRT base (B8H)
Filament— V @ 300 mA

Construction

Primary TypeDisplay / CRT
EnvelopeRectangular grey glass
Base MaterialGlass
SectionsSingle

Filament / Heater

Heater NotesSuitable for series or parallel operation. Surge heater voltage must not exceed 9.5V r.m.s.

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operating Conditions16000 V————

Application Notes

The tube socket should not be rigidly mounted. Pre-surge heater voltage must not exceed 9.5V. X-ray shielding is advisable if operated above 16kV.

Datasheets

Datasheet: AW47-90.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 Voltage18000 V
    Grid 2 Voltage500 V
    Grid 1 Voltage-150 V
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Metal backed screen
    • 19in. diagonal
    • Electrostatically focused
    • Ion trap magnet not required
    • Direct viewing