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KR Audio KT150 tetrode power amplifiers are high-end tubes are high-end tubes with 70W plate dissipation. This is the most powerful tube in the 6550/KT88/KT90/KT120 family, developed to improve heat dissipation and ensure optimum sound performance. Extremely reliable, it also guarantees long life.
A pair of push-pull KT-150s can deliver power levels close to 300W. The ovoid enclosure eliminates any microphonic problems.
These tubes are sold in matched pairs to deliver the best possible performance.
Technical chracteristics
Specifications | |
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Product type | Power tube |
Tube type | Tetrode |
AC/DC Voltage | 6.3V |
AC/DC current | 2A |
Amplification factor | 8 |
Maxilmum values | |
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DC plate voltage | 850V |
DC screen grid | 650V |
Dissipation Pa/Pg2 | 70/9W |
DC cathode current | 280mA |
Testing conditions | |
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DC plate voltage and Vg2 | 250V |
DC plate current | 143mA |
DC screen grid current | Less of 8% of [Ia] |
Grid voltage | -12V |
Transconductance | 12mA/V |
General | |
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Package | Matched pair |