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

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Tube-number record

6047

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6047 is a tube type in the TubeDatabase archive (class: Electrostatically focussed radial double beam tube (Binary Adder)). Recorded specifications: brand Rogers Majestic Electronics Ltd, construction Beam tetrode / beam power, socket Noval (B9A), and maximum plate voltage 330 V. The archive does not yet hold a photographed example of this type.

BrandRogers Majestic Electronics Ltd
ClassElectrostatically focussed radial double beam tube (Binary Adder)
BaseNoval (B9A)
Filament6.3 V @ 150 mA

Construction

Primary TypeBeam tetrode / beam power
EnvelopeT6 1/2
SectionsDouble

Filament / Heater

Heater NotesRated heater voltage 6.3V in operation tables; document header mentions 5.3V (+/- 10%) as electrical rating.

Absolute Maximum Ratings

Plate Voltage

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Without Interstage Cathode Follower (Direct Coupling)250 V—63000—1.3 mA
With Interstage Cathode Follower250 V—47000—1.6 mA
Table II Case 1300 V—63000—

Application Notes

The tube directs electron beams to either a sum (a1) or carry (a2) collector based on combinations of zero and positive voltages applied to the three control electrodes (g1,1, g1,2, g1,3).

Datasheets

Datasheet: 6047.pdf

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

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    330 V
    Grid 2 Voltage330 V

    Audio Performance

    Key Features
    • Electrostatically focussed radial double beam
    • Designed for use as a binary adder tube
    • Radial collector elements
    • Screen shielded
    1.6 mA