Tube-number record
DH 13-76 / DN 13-76
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BrandPhilips
ClassCathode Ray Tube
BaseDiheptal
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass with flat face plate
Base MaterialPlastic/Glass
SectionsSingle gun
Filament / Heater
Heater NotesIndirect heating, parallel supply
Absolute Maximum Ratings
Plate Voltage8000 V
Plate Dissipation0.003 W
Grid 2 Voltage2200 V
Grid 1 Voltage-200 V
H-C Voltage200 V
Audio Performance
Key Features
- Flat face plate
- Post deflection acceleration
- Helical electrode
- Side contacts
- High sensitivity
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| High Anode Voltage | 6000 V | — | — | — | 0.0005 mA |
| Low Anode Voltage | 4000 V | — | — | — | 0.5 mA |
Application Notes
The post-accelerator helix is connected between grid 7 and grid 6. Deflection plate shields are provided. Focusing and deflection are electrostatic.
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