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TAD EL84-M Power Tube Pentode (Unit)
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TAD EL84-M
Power Tube Pentode
The TAD EL84-M pentode tube offers a robust design and provides powerful midrange and well-defined bass. Durable, it offers a lifetime of up to 10,000 hours of use.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Tube |
| Tube type | Pentode |
| Number of pins | 9 |
| Dimensions | Ø22.5 x 79mm |
| Electrical characteristics | ||
|---|---|---|
| Heater voltage (AC or DC) | Min : 5.9V Nom : 6.3V 6.9V | |
| Heater current | 0.78A | |
| Cathode | Unipotential | |
| Max cathode to heater potential | 100V | |
| Max. direct inter-electrode capacitances | Grid 1 to cathode | 11.5pF |
| Grid 1 to plaque | 0.6pF | |
| Plate to cathode | 8.5pF | |
| Grid 1 to heater | 0.2pF | |
| Max values | |
|---|---|
| DC Plate voltage | 420V |
| Positive grid 2 DC (screen) voltage | 320V |
| Grid 1 voltage (control) | -100V |
| DC Cathode current | 60mA |
| Plate dissipation | 12W |
| Grid 2 DC (screen) dissipation | 2W |
| Fixed bias grid 1 resistance | < 300kΩ |
| Auto bias grid 1 resistance | < 300kΩ |
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