Tube-number record
5C/450-A
0 archive entries
BrandStandard Valves
ClassPentode
Base4-pin
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage3000 V
Plate Dissipation450 W
Grid 2 Voltage650 V
Audio Performance
Typical THD5%
Power Output1070 W
Key Features
- Thoriated tungsten filament
- Constant voltage type
- High power output up to 1070W
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Unmodulated Amplifier (Case 1) | 2000 V | 6500 | — | — | 520 mA |
| Unmodulated Amplifier (Case 2) | 2500 V | 6500 | — | — | 590 mA |
| Class C Amplifier - Suppressor Grid Modulation | 2500 V | — | — | — |
Application Notes
This valve operates at a high temperature. Free circulation of air is absolutely essential. Forced air cooling (fan) is recommended in confined spaces. Cabinet walls should have a matt finish.
0 results