Tube-number record
9T71
0 archive entries
BrandNEC
ClassPower Triode
Construction
Primary TypeOther / special
EnvelopeWater Cooled
Filament / Heater
MaterialThoriated-Tungsten
Absolute Maximum Ratings
Plate Voltage17000 V
Plate Dissipation50000 W
Audio Performance
Key Features
- Water Cooled
- Grounded-Grid Type
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grounded-Grid | — | — | — | 39 | — |
0 results