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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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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 Voltage330 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

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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    1.6 mA