Tube-number record
5 DSP
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BrandTELEFUNKEN
ClassCathode-Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 0.3 mA
Construction
Primary TypeElectrostatic deflection and focus
Envelope5 inch flat face, metallized screen
SectionsSingle beam
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage11000 V
Grid 2 Voltage3000 V
Grid 1 Voltage-250 V
Cathode Current0.2 mA
H-C Voltage125 V
Audio Performance
Key Features
- Flat face
- Metallized screen
- Electrostatic focusing
- High deflection sensitivity
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | 10000 V | — | — | — | — |
Application Notes
The accelerator voltage is variable for astigmatism control. Isolation shield electrode adjusted for optimum performance.
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