The AGD Vivace MKii Monoblock, is the most advanced Hi-End Power Amplifier in the market. First to use the unique GaNTube™ technology with Gallium Nitride Power-Stage integrated in a Vacuum Tube. The Gallium nitride components are the key to the reference level performance of the AGD Vivace Monoblocks.
To achieve the highest-performance in audio reproduction, switching topologies must achieve nearly ideal switching waveforms, completely oscillation-free, to minimize distortion but most importantly, to preserve the harmonic content present in the original input signal and avoid the superimposition of any additional artifacts that alter the overall spectrum and the spatiality of the music reproduction. The Gallium Nitride power MOSFETS used in the GaNTubeTM power stage, simplifies this challenge through its ability to efficiently switch at much higher slew rates than any silicon based power MOSFET, with almost perfect (book-like) behavior and oscillation free switching.
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| Nominal Output Power at 0.01% THD+N, 20Hz÷20KHz, 8Ω | 125W |
|---|---|
| THD+N 10W/1KHz | <0.005% |
| Maximum Output Power at 0.1% THD+N, 1KHz, , 4Ω | 250W |
| Bandwidth ±3dB | 5Hz÷100KHz |
| Efficiency% | >94% |
| Output Noise (A-weighted) | ≤ 45μV |
| PWM Frequency | 800KHz |
| Dynamic Range | 120dB |
| Dimension | 11"×11’x5" (279x279x127mm) |
| Weight | 22lbs (10kg) |
| Input Voltage | 110-240V (user selectable) |
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