Tube-number record
M38-200
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ClassCathode-Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 190 mA
Construction
Primary TypeDisplay / CRT
Envelope38 cm, 70 degree deflection angle, metal-backed screen
SectionsSingle
Filament / Heater
Heater NotesIndirect heating by AC or DC; Heater current liable to be modified to 240 mA
Absolute Maximum Ratings
Plate Voltage20000 V
Grid 2 Voltage1200 V
Grid 1 Voltage-140 V
H-C Voltage250 V
Audio Performance
Key Features
- Very high resolution cathode-ray tube
- Rim band for implosion protection
- Metal-backed screen
- Internal magnetic correction for astigmatism
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Recommended | 18000 V | — | — | — | 0.03 mA |
Application Notes
Eminently suitable for full page document display and computer-aided design.
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