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

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Tube-number record

7BCP-

0 archive entries

7BCP- is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand Du Mont, construction Magnetic focus and deflection, socket CRT base (B7 family), and maximum plate voltage 42000 V. The archive does not yet hold a photographed example of this type.

BrandDu Mont
ClassCathode Ray Tube
BaseCRT base (B7 family)
Filament6.3 V @ 0.6 mA

Construction

Primary TypeMagnetic focus and deflection
EnvelopeGlass 7 1/2-inch
Sections1

Filament / Heater

Heater NotesCurrent tolerance +/- 10%

Absolute Maximum Ratings

Plate Voltage42000 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Monochrome Scanning37000 V———0.3 mA

Application Notes

Designed for use as a flying spot scanner in high quality color video-signal generators and photo recording. Requires air cooling (approx 50 cfm) during operation.

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Grid 2 Voltage770 V
    Grid 1 Voltage-200 V
    Cathode Current0.4 mA
    H-C Voltage180 V

    Audio Performance

    Key Features
    • Metal-backed phosphor
    • Flying spot scanner
    • Grey glass faceplate
    • Non-browning glass
    • External insulating coating
    • External conductive neck coating