TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

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)
DisclaimerA–Z indexSubmit a tube
12DB5 vacuum tube outline illustration

Tube-number record

12DB5

0 archive entries

12DB5 is a tube type in the TubeDatabase archive (class: Beam Power Tube). Recorded specifications: brand RCA, year 1959, construction Beam tetrode / beam power, socket Noval (B9A), maximum plate voltage 300 V, and maximum plate dissipation 10 W. The archive does not yet hold a photographed example of this type.

BrandRCA
ClassBeam Power Tube
BaseNoval (B9A)
Filament12.6 V @ 0.6 mA

Construction

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

Filament / Heater

Heater NotesControlled warm-up time for series heater-string arrangement

Absolute Maximum Ratings

Plate Voltage300 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A Amplifier (Condition 1)110 V800013000—49 mA
Class A Amplifier (Condition 2)200 V800028000—46 mA

Application Notes

Intended for use in equipment having series heater-string arrangement; also suitable as a vertical-deflection amplifier in TV receivers.

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Plate Dissipation10 W
    Grid 2 Voltage150 V
    Cathode Current200 mA
    H-C Voltage200 V

    Audio Performance

    Typical THD10%
    Power Output3.8 W
    Key Features
    • 9-Pin Miniature Type
    • Controlled Warm-Up Time
    • Intended for series heater-string arrangement