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

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Tube-number record

D 12-120

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BrandHYPERELEC
ClassCathode-Ray Tube
Filament6.3 V @ — mA

Construction

Primary TypeDisplay / CRT
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesTested at 5.7V, 6.3V, and 7.0V for life cycle evaluation

Absolute Maximum Ratings

Cathode Current0.01 mA

Audio Performance

Key Features
  • 12 cm diagonal face plate
  • 311.5 mm bulb length
  • Derived from D 14-125 family
  • High performance oscilloscope tube

Application Notes

The manufacturing file, except for the bulb and face plate, is identical to the D 14-125 type.

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