Tube-number record
3J/170E
0 archive entries
ClassTriode
Construction
Primary TypeTriode
EnvelopeGlass/Metal
Sectionssingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage6000 V
Plate Dissipation3500 W
Cathode Current1250 mA
Audio Performance
Key Features
- Air-Blast-Cooled
- Thoriated tungsten filament
- External radiator
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B Telephony (Carrier) | 5000 V | 6060.6 | 3300 | 20 | 900 mA |
| Class C Power Amplifier (Modulated) | 4000 V | — | — | 20 | 1000 mA |
| Class C Power Amplifier or Oscillator (Unmodulated) | 6000 V | — | — | 20 |
Application Notes
Class B Telephony involves carrier conditions per valve for use with 100% modulation. Class C Power Amplifier subject to anode modulation.
0 results