Tube-number record
CK7572/QK703
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BrandRaytheon
ClassRecording Storage Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeTetrode
EnvelopeGlass
SectionsDual-gun
Filament / Heater
Absolute Maximum Ratings
Plate Voltage4000 V
Grid 2 Voltage1000 V
Grid 1 Voltage-125 V
Audio Performance
Key Features
- Dual-gun
- Magnetic deflection
- High resolution
- Scan conversion capable
- Simultaneous writing and reading
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Write Gun Mode 1 | 3500 V | — | — | — | — |
| Write Gun Mode 2 | 3500 V | — | — | — | — |
| Read Gun Mode 1 (Erase/Write) | 3500 V | — | — | — | — |
| Read Gun Mode 2 | 3700 V | — | — | — | — |
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