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

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TAL 12/35 vacuum tube outline illustration

Tube-number record

TAL 12/35

0 archive entries

TAL 12/35 is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand Philips, construction Triode, 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.

BrandPhilips
ClassTriode
BaseSpecial / none

Construction

Primary TypeTriode
EnvelopeMetal/Glass (External Anode)
SectionsSingle

Filament / Heater

MaterialTungsten

Absolute Maximum Ratings

Plate Voltage15000 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
H.F. class C telegraphy15000 V165001515254200 mA
H.F. class B telephony15000 V———1800 mA
H.F. class C anode modulation12000 V———

Application Notes

Special attention to anode and grid seal temperatures is required above 10 Mc/s. Grid seals can be cooled with caps 40632.

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    Plate Dissipation18000 W
    Grid 1 Voltage-1000 V
    Cathode Current6000 mA

    Audio Performance

    Typical THD3.5%
    Power Output80000 W
    Key Features
    • Forced air cooling
    • Directly heated tungsten filament
    • High power industrial triode
    • Vertical mounting (anode down)
    2900 mA