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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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F8081 P2 vacuum tube outline illustration

Tube-number record

F8081 P2

0 archive entries

F8081 P2 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube (CRT)). Recorded specifications: brand CSF - Groupement Tubes Electroniques, year 1966, construction Electrostatic deflection and focus, base Glass/Metal, socket Diheptal, and maximum plate voltage 13200 V. The archive does not yet hold a photographed example of this type.

BrandCSF - Groupement Tubes Electroniques
ClassCathode Ray Tube (CRT)
BaseDiheptal
Filament6.3 V @ 600 mA

Construction

Primary TypeElectrostatic deflection and focus
EnvelopeGlass
Base MaterialGlass/Metal
Sections1

Filament / Heater

Heater NotesTolerance ±10%

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Example Operation10000 V————

Application Notes

Orientation and mounting instructions provided for pin alignment with trace axes. Recommends mu-metal shielding and specific isolation for grid 7 (post-acceleration).

Filters

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Manufacturers

Brands

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    Plate Voltage13200 V
    Grid 2 Voltage2200 V
    Grid 1 Voltage-220 V
    H-C Voltage140 V

    Audio Performance

    Key Features
    • Aluminized screen
    • High writing speed
    • High sensitivity
    • Low interelectrode capacitance
    • Low distortion
    • Internal graticule (P2A version)