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

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Tube-number record

6538

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6538 is a tube type in the TubeDatabase archive (class: Cold Cathode Inert Gas-Filled Tube). Recorded specifications: brand Mullard Limited, construction Other / special, and socket Noval (B9A). The archive does not yet hold a photographed example of this type.

BrandMullard Limited
ClassCold Cathode Inert Gas-Filled Tube
BaseNoval (B9A)

Construction

Primary TypeOther / special
EnvelopeGlass
SectionsCold cathode with priming discharge

Filament / Heater

Absolute Maximum Ratings

Cathode Current2.5 mA

Audio Performance

Key Features
  • Cold cathode
  • Inert gas-filled
  • Priming discharge

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Nominal maintaining110 V———2 mA

Application Notes

Primarily intended for use in low current stabilizer circuits and also suitable for use in timers and protection equipment.

Datasheets

Datasheet: 6538.pdf

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

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