SV572-3
0 Tubes in archive
BrandSvetlana
ClassAudio Power Triode
BaseSK4A
Construction
Primary TypeTriode
EnvelopeHard glass
Base MaterialCeramic
SectionsSingle
Filament / Heater
MaterialThoriated-tungsten
Absolute Maximum Ratings
Plate Voltage1000 V
Plate Dissipation125 W
Cathode Current210 mA
Audio Performance
Typical THD0.3%
Power Output41.6 W
Key Features
- Directly heated thoriated tungsten filament
- Hard glass envelope
- White ceramic base
- Graphite plate with titanium coating
- Low microphonic construction
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 | 500V | 1800 | 1900 | 3.5 | 80mA |
| Class A1 | 900V | 1800 | 1900 | 3.5 | 100mA |
| Class A2 | 900V | 1800 | 1900 | 3.5 | 100mA |
| Push-Pull Class AB1 | 900V | - | - | - | 220mA |
Application Notes
The SV572-3 has a plate dissipation of 125 watts maximum, making it useful in applications where a 100-watt triode (211 or 845) would normally be used.
Sort by
Showing 1 to 0 of 0 results