Tube-number record
27ADP4
0 archive entries
BrandSYLVANIA
ClassTelevision Picture Tube
BaseCRT base (B7 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular Glass
SectionsSingle
Filament / Heater
Warm-up Time11s
Heater Notes11 Second Warm-up Time
Absolute Maximum Ratings
Plate Voltage22000 V
Grid 2 Voltage550 V
Grid 1 Voltage-155 V
H-C Voltage200 V
Audio Performance
Key Features
- Aluminized P4 Phosphor
- Electrostatic Focus
- Magnetic Deflection
- Bonded Shield
- No Ion Trap
- External Conductive Coating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid Drive Service | 18000 V | — | — | — | — |
| Cathode Drive Service | 18000 V | — | — | — | — |
Application Notes
X-ray radiation shielding may be necessary if operated higher than 16,000 volts.
Datasheets
Datasheet: 27ADP4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results