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Pentode tube
The Sovtek EL84SOV/6BQ5 is a pentode tube with equipotential cathode, designed to amplify low frequency power in the output stages of HiFi audio devices. It offers a soft, warm and round sound reproduction.
Specifications | |
---|---|
Product type | Tube |
Tube type | Pentode |
Number of pins | 9 |
Dimensions | Ø22.5 x 78.5mm |
Electrical parameters | |||
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Parameter | Conditions | Min | Max |
First grid reverse current | Filament voltage 6.3V, plate voltage 250V, grid voltage #2 250V, grid circuit resistance #1 0.51MΩ | - | 1µA |
Heater current | - | 700mA | 840mA |
Plate current | Filament voltage 6.3V, plate voltage 250V, grid voltage #2 250V | 30mA | 60mA |
Second grid current | Filament voltage 6.3V, plate voltage 250V, grid voltage #2 250V | - | 8.5mA |
Output power | Filament voltage 6.3V, plate voltage 250V, grid voltage #2 250V, plate circuit resistance 5.2kΩ | 3W | - |
Limit values | |||
---|---|---|---|
Parameter | Min | Max | |
Filament voltage | 5.7V | 7V | |
Cathode - heater voltage | - | 100V | |
Cathode current | - | 65mA | |
Power dissipation at the plate | - | 14W | |
Power dissipation at the second grid | - | 2.2W | |
First grid circuit resistance | Self bias Bias fixe | 1MΩ 0.51MΩ |