Tube-number record
350QP44
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BrandTesla
ClassTelevision picture tube
BaseLoctal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialMetal
SectionsPentode
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage14000 V
Grid 2 Voltage400 V
Grid 1 Voltage-150 V
Cathode Current0.03 mA
H-C Voltage180 V
Audio Performance
Key Features
- Magnetic deflection
- Magnetic focusing
- Ion trap
- Smoke glass faceplate
- Spherical faceplate
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | 12000 V | — | — | — | — |
Application Notes
Pentode system with ion trap. External cone surface covered with conductive graphite layer for grounding.
Datasheets
Datasheet: 350QP44.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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