Tube-number record
AW21-80
0 archive entries
BrandPhilips
ClassTelevision Monitor Tube
BaseDuodecal
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular Glass
Base MaterialMetal backed screen
SectionsSingle gun
Filament / Heater
Heater NotesIndirect heating by A.C. or D.C.; series or parallel supply
Absolute Maximum Ratings
Plate Voltage10000 V
Plate Dissipation6 W
Grid 2 Voltage500 V
Grid 1 Voltage150 V
H-C Voltage195 V
Audio Performance
Key Features
- Metal backed screen
- Electrostatic focusing
- 90 degree magnetic deflection
- Ion trap
- Aluminized screen
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Monitor Service | 9000 V | — | — | — | — |
Application Notes
When used in series heater chain, voltage must not exceed 9.5 V at switch-on. Ion trap magnet south pole should be adjacent to the spigot of the base.
Datasheets
Datasheet: AW21-80.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results