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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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RK-3B29 vacuum tube outline illustration

Tube-number record

RK-3B29

0 archive entries

RK-3B29 is a tube type in the TubeDatabase archive (class: Diode Rectifier). Recorded specifications: brand Raytheon, year 1959, construction High vacuum, base Phenolic, socket 4-pin, and maximum plate voltage 16000 V. The archive does not yet hold a photographed example of this type.

BrandRaytheon
ClassDiode Rectifier
Base4-pin
Filament2.5 V @ 4.9 mA

Construction

Primary TypeHigh vacuum
Rectifier TypeHeater-Cathode
EnvelopeT-12
Base MaterialPhenolic

Filament / Heater

Warm-up Time120s
Heater NotesHeating time 2 minutes

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Rectifier Operation 116000 V———64 mA
Rectifier Operation 27700 V———80 mA
Rectifier Operation 35000 V———95 mA

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    Absolute Maximum Ratings

    Plate Voltage16000 V
    Cathode Current95 mA

    Audio Performance

    Key Features
    • Hard glass nonex envelope
    • Gold plated plates
    • Zirconium coated anodes
    • Heliarc welded cathode
    • Self supporting anodes
    Shunt Diode10000 V———18 mA