Tube-number record
SV300B
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BrandSvetlana
ClassLow-Mu Audio Power Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeGlass
Base MaterialPlastic/Ceramic
Sections1
Filament / Heater
MaterialOxide-coated tungsten
Absolute Maximum Ratings
Plate Voltage450 V
Plate Dissipation40 W
Cathode Current100 mA
Audio Performance
Typical THD5%
Power Output10 W
Key Features
- Low distortion
- Ultra-pure carbonized nickel plate material
- Proprietary oxide coating
- Center-tapped filament
- Horizontal mounting alignment
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Audio Amplifier | 450 V | 5500 | 700 | 3.85 | 60 mA |
Application Notes
The internal structure is aligned with respect to the base pins to avoid internal shorting problems in equipment designed for horizontal mounting. Pins 1 and 4 should be in a horizontal plane when mounting the device horizontally.
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