Tube-number record
DH7-11
0 archive entries
BrandPhilips
ClassInstrument Cathode-Ray Tube
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
SectionsSingle-gun
Filament / Heater
Heater NotesExtracted from test specifications Vf=6.3V, If=0.3A.
Absolute Maximum Ratings
Plate Voltage800 V
Grid 2 Voltage800 V
Audio Performance
Key Features
- Instrument quality
- Electrostatic deflection
- Electrostatic focus
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Test Condition | 800 V | — | — | — | — |
Application Notes
Documents describe the transfer of production from Eindhoven to Brive. Tube tests include gas values, modulation, screen burns, and life testing up to 1000 hours.
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