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

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Tube-number record

7234

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BrandNational Union Electric Corporation
ClassHigh Voltage Pentode
BaseNoval (B9A)
Filament6.3 V @ 150 mA

Construction

Primary TypePentode
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesHeater current extracted assuming '2' in OCR '2150' was a list index.

Absolute Maximum Ratings

Plate Voltage8000 V
Plate Dissipation10 W
H-C Voltage300 V

Audio Performance

Key Features
  • High voltage control
  • Stabilized output voltage
  • Kilovolt range operation
  • Low capacities
  • High gain
  • High voltage sweep circuits

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Voltage Regulator6500 V————

Application Notes

Designed for circuits requiring stabilized output voltage in the kilovolt range. Extends the pentode region beyond the limits of the N.U. 6842.

Datasheets

Datasheet: 7234.pdf

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

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