Tube-number record
LOW-MU POWER TRIODE
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LOW-MU POWER TRIODE is a tube type in the TubeDatabase archive (class: Power Triode). Recorded specifications: brand Svetlana, year 1999, construction Triode, base Ceramic, socket Special / none, maximum plate voltage 800 V, and maximum plate dissipation 65 W. The archive does not yet hold a photographed example of this type.
BrandSvetlana
ClassPower Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeHard glass
Base MaterialCeramic
SectionsSingle
Filament / Heater
MaterialThoriated-tungsten
Absolute Maximum Ratings
Plate Voltage800 V
Plate Dissipation65 W
Cathode Current160 mA
Audio Performance
Typical THD1%
Power Output15.4 W
Key Features
- Directly heated thoriated tungsten filament
- Hard glass envelope
- White ceramic base
- Low microphonic internal construction
- Titanium gettering system
- Tri-plate anode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 | 450 V | 1700 | 2000 | 3.5 | 80 mA |
| Class A1 | 800 V | 1700 | 2000 | 3.5 | 80 mA |
| Class AB1 Push-Pull | 750 V | — | — | — | 150 mA |
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