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S Serie Tubes for Preamplifier / Phono Stage (Matched Pair)
Psvane 12AU7-S tubes offer high plate current and low noise. They are therefore particularly recommended for use on a preamplifier or phono stage. This model has the same features as its predecessor, the 12AU7-TII, but with internal structural improvements for even better performance.
These tubes are sold in pairs and are factory paired for optimum electrical and sound performance.
Specifications | |
---|---|
Product type | Tubes |
Quantity | Matched pair |
Heater | |
---|---|
Uf | In parallel : 6.3V In series : 12.6V |
If | In parallel : 0.3A In series : 0.15A |
Direct interelectrode capacitances | |
---|---|
Input | N°1 : 1.6PF N°2 : 1.6PF |
Output | N°1 : 0.4PF N°2 : 0.32PF |
Grid to plate | N°1 : 1.5PF N°2 : 1.5PF |
Static parameters | |
---|---|
Ua | 100 - 250V |
Ia | 11.8 - 10.5mA |
Gm | 3.1 - 2.2mA/V |
u | 20 - 17 |
ri (approx) | 6.5 - 7.7KΩ |
Ug (approx) | 11.8 - 10.5V |
Class A1 max, Single triode | |
---|---|
Ua | 300V |
Pa | 2.75W |
Ik(max) | 20mA |
Ug | 50V |
Uh-k(pk) | +-200V |
Rg | |
---|---|
With cathode bias | 1MΩ |
With fixed bias | 0.25MΩ |
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