4MP1
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BrandSylvania
ClassCathode Ray Tube
BaseSmall Shell Duodecal 12-Pin
Filament6.3V @ 0.6mA
Construction
Primary TypeElectrostatic
EnvelopeSquare Glass
SectionsSingle beam
Filament / Heater
Heater NotesHeater current tolerance +/- 10%
Absolute Maximum Ratings
Plate Voltage6600 V
Plate Dissipation6.6 W
Grid 2 Voltage3300 V
Grid 1 Voltage220 V
H-C Voltage200 V
Audio Performance
Key Features
- Direct Viewed
- Square Glass Type
- Spherical Clear Faceplate
- Electrostatic Focus
- Electrostatic Deflection
- Post Deflection Acceleration
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Post Deflection Acceleration | 4000V | - | - | - | 0.025mA |
Application Notes
The 4MP is designed for optimum performance when operated at an Eb3/Eb2 ratio of 2.0. X-ray radiation shielding may be necessary if operated at higher than rated anode voltage.
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