Tube-number record
SC-3090
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BrandSylvania
ClassCathode Ray Tube
BaseCRT / special base
Filament6.3 V @ 1500 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
SectionsThree Independent Guns
Filament / Heater
Heater NotesCurrent for 3 guns in parallel
Absolute Maximum Ratings
Plate Voltage10500 V
Grid 2 Voltage3500 V
Grid 1 Voltage-200 V
H-C Voltage180 V
Audio Performance
Key Features
- Three Independent Guns
- Spiral Post Deflection Accelerator
- Aluminized Screen
- Electrostatic Focus
- Electrostatic Deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | 7500 V | — | — | — | — |
Application Notes
X-ray radiation shielding may be necessary if operated at higher than 16,000 volts.
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