Tube-number record
LHP
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BrandElectronic Tube Corp.
ClassCathode Ray Tube
Base5-pin
Filament6.3 V @ 1600 mA
Construction
Primary TypeDisplay / CRT
Envelope3.5 inch square face
SectionsThree beam
Filament / Heater
Heater NotesHeater voltage +/- 10%
Absolute Maximum Ratings
Plate Voltage5500 V
Grid 2 Voltage2750 V
Grid 1 Voltage-200 V
H-C Voltage180 V
Audio Performance
Key Features
- Three independent beams
- Spiral type post-acceleration
- Short length
- High brightness
- Minimum pattern distortion
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Post-Accelerator 4000V | 4000 V | — | — | — | — |
Application Notes
The tube is designed for optimum performance when operating on an Eb3/Eb2 ratio of 2.0. Grid 1 circuit resistance should not exceed 1.5 Megohms.
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