Tube-number record
SV83
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BrandSvetlana
ClassAudio Power Pentode
BaseNoval (B9A)
Filament6.3 V @ 760 mA
Construction
Primary TypePentode
EnvelopeMiniature glass
Base MaterialGlass button
SectionsSingle
Filament / Heater
Heater NotesAC or DC, unipotential cathode
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation12 W
Grid 2 Voltage200 V
Grid 1 Voltage-450 V
Cathode Current90 mA
H-C Voltage100 V
Audio Performance
Key Features
- Plate dissipation 12 watts
- Low distortion
- High transconductance
- Internally shielded for low hum pickup
- Pinout compatible with EL84
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Nominal | — | 15000 | — | 25 | — |
Application Notes
The SV83 is similar to the EL84 with the exception of basing connections and screen-grid ratings. EL84 can be used in an SV83 circuit without modification, but basing and screen ratings differ.
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