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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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Tube-number record

ECR30

0 archive entries

BrandMullard
ClassCathode Ray Tube
BaseCRT base (B12 family)
Filament4 V @ 1 mA

Construction

Primary TypeDisplay / CRT
EnvelopeGlass
Sections1

Filament / Heater

Heater NotesVh-k max: 50V

Absolute Maximum Ratings

Plate Voltage1000 V
H-C Voltage50 V

Audio Performance

Key Features
  • 3-in. diameter screen
  • Electrostatic deflection
  • Symmetrical operation
  • Green fluorescent colour

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Symmetrical operation800 V————

Application Notes

Oscilloscope tube primarily intended for symmetrical operation.

Filters

0 tubes found

Manufacturers

Brands

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