N17
0 Tubes in archive
BrandMarconi
ClassOutput Pentode
BaseB7G
Construction
Primary TypePentode
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage90 V
Grid 2 Voltage67.5 V
Cathode Current5.5 mA
Audio Performance
Typical THD12%
Power Output0.27 W
Key Features
- Miniature output pentode
- Centre-tapped filament
- Series or parallel operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Series | 90V | 1425 | - | - | 6.1mA |
| Class A Parallel | 90V | 1575 | - | - | 7.4mA |
Application Notes
Interchangeable with the American type 3S4.
Sort by
Showing 1 to 0 of 0 results