3RP1A
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BrandSYLVANIA
ClassSpecial Purpose Tube
BaseMedium Shell Diheptal 12-Pin
Filament6.3V @ 600mA
Construction
Primary TypeCathode Ray Tube
EnvelopeRound Glass
Sections1
Filament / Heater
Heater NotesIndirectly heated cathode
Absolute Maximum Ratings
Plate Voltage2200 V
Grid 2 Voltage1100 V
Grid 1 Voltage-200 V
H-C Voltage125 V
Audio Performance
Key Features
- 3” Direct Viewed
- Round Glass Type
- Electrostatic Deflection
- Electrostatic Focus
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 2000V | - | - | - | - |
Application Notes
Anode No. 2 Voltage should not be less than 1500 volts. Brilliance and definition decrease with decreasing Anode No. 2 Voltage.
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