Power-Tech .1 Series Power Amplifiers
7 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, 4 ohms per ch. | 305 | 460 | 760 |
Stereo, 8 ohms per ch. | 220 | 325 | 540 |
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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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8 ohms | 605 | 910 | 1,525 |
16 ohms | 445 | 660 | 1,090 |
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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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2 ohms | 605 | 920 | 1,530 |
4 ohms | 440 | 655 | 1,080 |
Performance |
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Frequency Response (at 1 watt, 20Hz - 20 kHz) | ± 0.1 dB | ± 0.1 dB | ± 0.1 dB | |
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Phase Response (at 1 watt, 10Hz - 20 kHz) | ± 10° | ± 10° | ± 10° | |
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Signal to Noise Ratio below rated power (20 Hz to 20 kHz) | >100 dB | >100 dB | >100 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) | > 60 dB | > 60 dB | > 60 dB | |
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Controlled Slew Rate |
| >13 volts/ms | >13 volts/ms | >13 volts/ms |
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Input Impedance nominally balanced, nominally unbalanced | 20 k ohms, 10 k ohms | 20 k ohms, 10 k ohms | 20 k ohms, 10 k ohms | |
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Load Impedance (Note: Safe with all types of loads) |
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Stereo |
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Bridge Mono |
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Parallel Mono |
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Voltage Gain (at maximum level setting) |
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0.775V sensitivity |
| 35 dB | 36 dB | 38 dB |
1.4V sensitivity |
| 30 dB | 31 dB | 33 dB |
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Required AC Mains (configured | 50/60 Hz, | 50/60 Hz, | 50/60 Hz, | |
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Power Draw at Idle (configured | 90 watts or less | 90 watts or less | 90 watts or less | |
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page 16 | Operation Manual |