Tube-number record
CK7572/QK703
0 archive entries
CK7572/QK703 is a tube type in the TubeDatabase archive (class: Recording Storage Tube). Recorded specifications: brand Raytheon, construction Tetrode, socket Duodecal, and maximum plate voltage 4000 V. The archive does not yet hold a photographed example of this type.
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
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 | — | — | — | — |
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