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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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GL-6849 vacuum tube outline illustration

Tube-number record

GL-6849

0 archive entries

GL-6849 is a tube type in the TubeDatabase archive (class: Television Camera Tube). Recorded specifications: brand General Electric, construction Display / CRT, base Annular Shoulder Base and Diheptal Base, socket Diheptal, and maximum plate voltage 1350 V. The archive does not yet hold a photographed example of this type.

BrandGeneral Electric
ClassTelevision Camera Tube
BaseDiheptal
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialAnnular Shoulder Base and Diheptal Base
SectionsImage, Multiplier, Scanning

Filament / Heater

Heater NotesAC or DC

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Standard1250 V———0.003 mA

Application Notes

Television camera tube for extremely low-light-level pickup use such as starlight illumination or fluoroscopic screens. Wide spacing reduces lag and increases signal-to-noise ratio.

Filters

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Manufacturers

Brands

    0 results
    Plate Voltage1350 V
    Grid 2 Voltage350 V
    Grid 1 Voltage-125 V
    H-C Voltage125 V

    Audio Performance

    Key Features
    • Magnetic Focus
    • Magnetic Deflection
    • Low-light-level pickup
    • Wide target-to-mesh spacing
    • High blue and green sensitivity