3AP1A
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BrandSylvania
ClassCathode Ray Tube
BaseMedium 7-Pin
Filament2.5V @ 2.1mA
Construction
Primary TypeCRT
EnvelopeRound Glass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage1650 V
Grid 2 Voltage1100 V
Grid 1 Voltage-125 V
Audio Performance
Key Features
- Direct Viewed
- Electrostatic Focus
- Electrostatic Deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 1500V | - | - | - | - |
Application Notes
With D2 positive with respect to D1, the spot is deflected toward Pin No. 1. With D4 positive with respect to D3, the spot is deflected toward Pin No. 6. Brilliance and definition decrease with decreasing Anode No. 2 Voltage.
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