Tube-number record
10NP4
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BrandSYLVANIA
ClassVideo Recording Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRound Glass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage25000 V
Grid 1 Voltage-450 V
H-C Voltage150 V
Audio Performance
Key Features
- Magnetic Deflection
- Magnetic Focus
- Gray Filter Glass
- Aluminized Screen
- Short Persistence
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Recommended Operating Conditions | 18000 V | — | — | — | — |
Application Notes
Visual extinction of undeflected focused spot occurs between -65 to -125 Volts. X-ray radiation shielding may be necessary if operated at higher than 16,000 volts.
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