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PSVANE AIR KT88 Tetrode Power Tube (Unit)
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PSVANE AIR KT88 Tetrode Power Tube (Unit)
The PSVANE AIR KT88 power tube delivers a warm and smooth sound with ample, natural character and excellent balance alongside negligible background noise. PSVANE presents here a tube with a more pronounced analogue texture than conventional tubes, featuring vocals more forward than typical and an overall sonic character recalling the texture inherent to vinyl playback.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Power tube |
| Tube type | Tetrode |
| Dimensions | 119 x 53mm |
| Heater supply | |
|---|---|
| Filament heater voltage (Uh) | 6.3 V |
| Filament heater current (Ih) | 1.6 A |
| Absolute maximum ratings | |
|---|---|
| Anode voltage | 800V |
| Screen grid voltage (g2) | 600V |
| Control grid voltage (g1) | -200V |
| Anode dissipation | 42W |
| Screen grid dissipation (g2) | 8W |
| Combined anode + screen grid dissipation | 46W |
| Cathode current | 230mA |
| Filament-cathode voltage | 200V |
| Bulb temperature | 250℃ |
| Control grid (g1) resistance | |
|---|---|
| Pa + Pg2 ≤ 35W | Automatic bias: 0.47 MΩ Fixed bias: 0.22 MΩ |
| Pa + Pg2 > 35W | Automatic bias: 0.27 MΩ Fixed bias: 0.10 MΩ |
| Inter-electrode capacitances | |
|---|---|
| Input capacitance | Tetrode mode: 16PF Triode mode: 9.3PF |
| Output capacitance | Tetrode mode: 12PF Triode mode: 17PF |
| Transfer capacitance | Tetrode mode: 1.2PF Triode mode: 7.9PF |
| Static parameters tetrode mode | |
|---|---|
| Ua | 250 V |
| Ug2 | 250 V |
| Ia | 140 mA |
| Ig2 | 3 mA |
| Ug1 | 15 V |
| Gm | 12 mA/V |
| ri | 12 KΩ |
| µg1-g2 | 8 |
| Static parameters triode mode | |
|---|---|
| Ua.g2 | 250 V |
| Ia+g2 | 143 mA |
| Ug1 (approx) | 15 V |
| Gm | 12 mA/V |
| ri | 670 Ω |
| µ | 8 |
| General | |
|---|---|
| Package | Sold individually |
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