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MA Series Power Amplifiers
Operation Manual
Minimum Guaranteed Power Macro-Tech 602 Macro-Tech 1202 Macro-Tech 2402
120 VAC, 60 Hz Units, Stereo mode, per channel, both channels driven
1 kHz with 0.1% THD
Stereo, 2 ohms per ch.
Stereo, 4 ohms per ch.
Stereo, 8 ohms per ch.
400 W
325 W
225 W
675 W
480 W
310 W
1,050 W
800 W
520 W
120 VAC, 60 Hz Units, Bridge mono mode
1 kHz with 0.1% THD
4 ohms
8 ohms
16 ohms
750 W
655 W
450 W
1,300 W
970 W
620 W
2,070 W
1,585 W
1,035 W
120 VAC, 60 Hz Units, Parallel mono mode
1 kHz with 0.1% THD
1 ohm
2 ohms
4 ohms
700 W
665 W
450 W
1,300 W
965 W
620 W
2,080 W
1,605 W
1,035 W
Performance Macro-Tech 602 Macro-Tech 1202 Macro-Tech 2402
Frequency Response (at 1 watt, 20 Hz - 20 kHz) ± 0.1 dB ± 0.1 dB ± 0.1 dB
Phase Response (at 1 watt, 10 Hz - 20 kHz) ± 10° ± 10° ± 10°
Signal to Noise Ratio below rated full bandwidth power
20 Hz to 20 kHz
A-weighted
> 100 dB
> 105 dB
> 100 dB
> 105 dB
> 100 dB
> 105 dB
Total Harmonic Distortion (THD) at rated power, from 20 Hz to 1 kHz < 0.05% < 0.05% < 0.05%
Total Harmonic Distortion (THD) at rated power, at 20 kHz 0.1% 0.1% 0.1%
Intermodulation Distortion (IMD) 60 Hz and 7 kHz at 4:1,
from 163 milliwatts to full bandwidth power
< 0.05% < 0.05% < 0.05%
Damping Factor: 10 Hz to 400 Hz > 1000 > 1000 > 1000
Crosstalk (below rated power, 20 Hz to 1 kHz) > 85dB > 85 dB > 85 dB
Controlled Slew Rate > 13 volts/microsecond > 13 volts/microsecond > 13 volts/microsecond
Input Impedance (nominal) balanced, unbalanced 20 k ohms, 10 k ohms 20 k ohms, 10 k ohms 20 k ohms, 10 k ohms
8 Specifications