Tube-number record
F8068
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BrandCSF
ClassDirect-view Storage Tube
BaseFlexible / flying leads
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic/Glass
Sections3 Guns (2 Fast Electron Guns, 1 Maintenance Gun)
Filament / Heater
Heater NotesCommon values for both Maintenance and Fast guns
Absolute Maximum Ratings
Plate Voltage10000 V
Grid 2 Voltage150 V
Audio Performance
Key Features
- Selective erasure
- Double dielectric layer
- Direct vision
- Simultaneous write and erase
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Maintenance Gun (Canon 3) | 300 V | — | — | — | — |
| Inscription (Canon 1) | 2500 V | — | — | — | — |
| Erasure (Canon 2) | 6500 V | — | — | — | — |
| Direct Write (No memory) | 4500 V | — | — | — | — |
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