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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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10DR7 vacuum tube outline illustration

Tube-number record

10DR7

0 archive entries

10DR7 is a tube type in the TubeDatabase archive (class: Double Triode). Recorded specifications: brand TUNG-SOL, year 1962, construction Dual triode, socket Noval (B9A), maximum plate voltage 330 V, and maximum plate dissipation 7 W. The archive does not yet hold a photographed example of this type.

BrandTUNG-SOL
ClassDouble Triode
BaseNoval (B9A)
Filament3.7 V @ 600 mA

Construction

Primary TypeDual triode
EnvelopeGlass
Sections2

Filament / Heater

MaterialCoated Unipotential Cathode
Warm-up Time11s
Heater NotesThermal characteristics of the heater are controlled such that heater voltage surges during the warm-up cycle are minimized.

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Section 1 Vertical Deflection Oscillator250 V160040000681.4 mA
Section 2 Vertical Deflection Amplifier150 V6500925635 mA

Application Notes

Section 2 is designed for use as a vertical deflection amplifier and is identical to Section 2 of the 6DE7. Intended for use in series heater strings.

Filters

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Manufacturers

Brands

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    Absolute Maximum Ratings

    Plate Voltage330 V
    Plate Dissipation7 W
    Grid 1 Voltage-400 V
    Cathode Current50 mA
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Dissimilar Double Triode
    • Controlled Heater Warm-up Time
    • High Mu Oscillator Section
    • Low Mu Amplifier Section