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CK7575/QK787

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BrandRaytheon
ClassRecording Storage Tube
BaseSmall Shell Duodecal
Filament6.3V @ 600mA

Construction

Primary TypeTetrode
EnvelopeGlass
SectionsDual-gun

Filament / Heater

Heater Notes6.3V +/- 10%

Absolute Maximum Ratings

Plate Voltage4000 V
Grid 2 Voltage1000 V
Grid 1 Voltage-125 V

Audio Performance

Key Features
  • Dual-gun simultaneous write/read
  • High resolution
  • Magnetic deflection
  • Electrostatic or magnetic focus
  • Improved automatic priming

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Write Gun (Mode 2)3500V----
Read Gun (Mode 2)3700V---0.002mA

Application Notes

Dual-gun cathode-ray Recording Storage Tube capable of simultaneous writing and reading. Stored signals can be held for many hours or read several thousand times. Scan conversion properties equivalent to CK6835/QK464A.

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