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

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6CZ5 vacuum tube outline illustration

Tube-number record

6CZ5

0 archive entries

6CZ5 is a tube type in the TubeDatabase archive (class: Beam Pentode). Recorded specifications: brand Sylvania, construction Beam tetrode / beam power, base Glass, socket Noval (B9A), maximum plate voltage 350 V, and maximum plate dissipation 12 W. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassBeam Pentode
BaseNoval (B9A)
Filament6.3 V @ 450 mA

Construction

Primary TypeBeam tetrode / beam power
EnvelopeT6-1/2
Base MaterialGlass
SectionsSingle

Filament / Heater

Warm-up Time11s
Heater NotesControlled heater warm-up time for series string operation

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
AF Power Amplifier - Single Tube Class A1250 V480073000—46 mA
AF Power Amplifier - Push-Pull Class AB1350 V———103 mA

Application Notes

Heater warm-up time defined as time to reach 80% of rated voltage. Duty cycle of pulse for vertical deflection must not exceed 15% of one scanning cycle.

Datasheets

Datasheet: 6CZ5.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    Absolute Maximum Ratings

    Plate Voltage350 V
    Plate Dissipation12 W
    Grid 2 Voltage285 V
    Grid 1 Voltage-250 V
    Cathode Current40 mA
    H-C Voltage200 V

    Audio Performance

    Typical THD1%
    Power Output21.5 W
    Key Features
    • Controlled heater warm-up time
    • Miniature Beam Pentode
    • Intended for vertical deflection or audio amplification