MA Series Power Amplifiers
8 Specifications
Minimum Guaranteed Power |
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120 VAC, 60 Hz Units, Stereo mode, per channel, both channels driven |
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1 kHz with 0.1% THD |
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Stereo, 2 ohms per ch. | 400 W | 675 W | 1,050 W |
Stereo, 4 ohms per ch. | 325 W | 480 W | 800 W |
Stereo, 8 ohms per ch. | 225 W | 310 W | 520 W |
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120 VAC, 60 Hz Units, Bridge mono mode |
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1 kHz with 0.1% THD |
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4 ohms | 750 W | 1,300 W | 2,070 W |
8 ohms | 655 W | 970 W | 1,585 W |
16 ohms | 450 W | 620 W | 1,035 W |
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120 VAC, 60 Hz Units, Parallel mono mode |
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1 kHz with 0.1% THD |
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1 ohm | 700 W | 1,300 W | 2,080 W |
2 ohms | 665 W | 965 W | 1,605 W |
4 ohms | 450 W | 620 W | 1,035 W |
Performance |
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Frequency Response (at 1 watt, 20 Hz - 20 kHz) | ± 0.1 dB | ± 0.1 dB | ± 0.1 dB |
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Phase Response (at 1 watt, 10 Hz - 20 kHz) | ± 10° | ± 10° | ± 10° |
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Signal to Noise Ratio below rated full bandwidth power |
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20 Hz to 20 kHz | > 100 dB | > 100 dB | > 100 dB |
> 105 dB | > 105 dB | > 105 dB | |
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Total Harmonic Distortion (THD) at rated power, from 20 Hz to 1 kHz | < 0.05% | < 0.05% | < 0.05% |
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Total Harmonic Distortion (THD) at rated power, at 20 kHz | 0.1% | 0.1% | 0.1% |
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Intermodulation Distortion (IMD) 60 Hz and 7 kHz at 4:1, | < 0.05% | < 0.05% | < 0.05% |
from 163 milliwatts to full bandwidth power |
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Damping Factor: 10 Hz to 400 Hz | > 1000 | > 1000 | > 1000 |
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Crosstalk (below rated power, 20 Hz to 1 kHz) | > 85dB | > 85 dB | > 85 dB |
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Controlled Slew Rate | > 13 volts/microsecond | > 13 volts/microsecond | > 13 volts/microsecond |
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Input Impedance (nominal) balanced, unbalanced | 20 k ohms, 10 k ohms | 20 k ohms, 10 k ohms | 20 k ohms, 10 k ohms |
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Operation Manual | page 21 |