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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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Tube-number record

3DT6-A

0 archive entries

3DT6-A is a tube type in the TubeDatabase archive (class: Sharp-Cutoff Pentode). Recorded specifications: brand RADIO CORPORATION OF AMERICA, construction Pentode, and socket Miniature 7-pin (B7G). The archive does not yet hold a photographed example of this type.

BrandRADIO CORPORATION OF AMERICA
ClassSharp-Cutoff Pentode
BaseMiniature 7-pin (B7G)
Filament3.15 V @ 600 mA

Construction

Primary TypePentode
Envelope7-PIN MINIATURE
SectionsSingle

Filament / Heater

Warm-up Time11s
Heater NotesSeries Heater-String Arrangement

Absolute Maximum Ratings

Application Notes

The 3DT6-A is designed for equipment having series heater-string arrangements and is electrically identical to the 6DT6-A except for its heater ratings.

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    Audio Performance

    Key Features
    • Sharp-Cutoff
    • Two Independent Control Grids
    • 7-PIN MINIATURE TYPE
    • Series Heater-String Arrangement