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

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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3CX6000A7 / YU148 vacuum tube outline illustration

Tube-number record

3CX6000A7 / YU148

0 archive entries

3CX6000A7 / YU148 is a tube type in the TubeDatabase archive (class: High-Mu Power Triode). Recorded specifications: brand Svetlana, construction Triode, base Coaxial, socket Special / none, maximum plate voltage 7000 V, and maximum plate dissipation 6000 W. The archive does not yet hold a photographed example of this type.

BrandSvetlana
ClassHigh-Mu Power Triode
BaseSpecial / none

Construction

Primary TypeTriode
EnvelopeCeramic/Metal
Base MaterialCoaxial
Sections1

Filament / Heater

MaterialThoriated-tungsten mesh

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Cathode-Driven Class C RF Amplifier (CW or FM)4800 V——2002300 mA
Cathode-Driven Class C RF Amplifier (CW or FM)5700 V——2002500 mA
Cathode-Driven Class C RF Amplifier (CW or FM)6000 V——200

Application Notes

A resonant tank circuit is recommended for grounded-grid operation. In a single-ended circuit the loaded Q should be at least 5.

Filters

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Manufacturers

Brands

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    Plate Voltage7000 V
    Plate Dissipation6000 W
    Cathode Current3500 mA

    Audio Performance

    Key Features
    • Modern mesh filament
    • Better mechanical rigidity
    • Long lasting concentricity
    • Superior VHF performance
    2560 mA