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Tube Database (7,341 tube types · 1,270 archive entries)

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AUDIO POWER TRIODE

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BrandSvetlana
ClassPower Triode
BaseSpecial / none
Filament6.3 V @ 2.65 mA

Construction

Primary TypeTriode
EnvelopeCeramic-metal forced-air-cooled
Base MaterialCeramic
SectionsSingle

Filament / Heater

Heater NotesOxide-coated unipotential cathode; 6.3V +/- 0.3V

Absolute Maximum Ratings

Plate Voltage1800 V
Plate Dissipation300 W
Grid 1 Voltage-400 V
Cathode Current470 mA
H-C Voltage100 V

Audio Performance

Typical THD5%
Power Output15 W
Key Features
  • Ceramic-metal transmitting-tube construction
  • Extreme ruggedness
  • Low microphonics
  • Solid copper anode
  • Exceptional linearity
  • Coaxial cone mounting

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A Audio Amplifier (single tube)500 V20000450980 mA
Class AB1 Audio Power Amplifier, Push-Pull500 V—4509150 mA

Application Notes

Suitable for single-ended Class A1 or push-pull Class A1 or AB1 operation. Forced-air cooling required for dissipation >30W.

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