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

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MA 12/15000 vacuum tube outline illustration

Tube-number record

MA 12/15000

0 archive entries

MA 12/15000 is a tube type in the TubeDatabase archive (class: Modulator Tube). Recorded specifications: brand Philips, construction Triode, maximum plate voltage 15000 V, and maximum plate dissipation 12000 W. The archive does not yet hold a photographed example of this type.

BrandPhilips
ClassModulator Tube

Construction

Primary TypeTriode
EnvelopeGlass/Metal (Water-cooled anode)
Sections1

Filament / Heater

MaterialTungsten

Absolute Maximum Ratings

Plate Voltage15000 V
Plate Dissipation12000 W

Audio Performance

Key Features
  • Water cooled anode
  • High power modulator
  • Heising modulation

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Modulator / Amplifier9000 V75001900141500 mA
Dutch datasheet spec9000 V9000140012—

Application Notes

Constructed for plate voltage modulation of water-cooled Philips transmitters. Suitable for modulated H.F. energy on wavelengths over 150 m.

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