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Xs Series Power Amplifiers
Operation Manual
Minimum Guaranteed Power Xs500 Xs700 Xs900 Xs1200 Xs4300
120 VAC, 60 Hz Units, per channel, both channels driven
1 kHz with 0.15% THD
Dual, 2 ohms (per ch.) 750W* 900W* 1200W* 1600W* Not rated
Dual, 4 ohms (per ch.) 500W 750W 900W 1100W 300W
Dual, 8 ohms (per ch.) 400W 450W 600W 650W 200W
Bridge mono, 4 ohms 1600W* 1900W* 2500W* 3000W* Not rated
Bridge mono, 8 ohms 1450W 1645W 2100W 2300W 700W
Performance Xs500 Xs700 Xs900 Xs1200 Xs4300
Sensitivity (volts RMS) for full rated power at 4 ohms 1.4V 1.4V 1.4V 1.4V 1.4V
Frequency Response (at 1 watt, 22Hz - 22 kHz) ± 1 dB ± 1 dB ± 1 dB ± 1 dB ± 1 dB
Phase Response (at 1 watt , 20Hz to 20 kHz) +5°, –18° +5°, –18° +5°, –18° +5°, –18° +5°, –18°
Signal to Noise Ratio below rated power (typical)
A-weighted
22 Hz to 22 kHz filter
> 102 dB
> 97 dB
> 103 dB
> 98 dB
> 108 dB
> 106 dB
> 109 dB
> 107dB
> 107 dB
> 101 dB
Total Harmonic Distortion (THD) at 1 full bandwidth power, from
20 Hz to 20 kHz
< 0.5% < 0.5% < 0.5% < 0.5% < 0.5%
Intermodulation Distortion (IMD) 60 Hz and 7 kHz at 4:1,
from full rated output to –30 dB
from full rated output to –40 dB
< 0.5%
< 1.0%
< 0.5%
< 1.0%
< 0.5%
< 1.0%
< 0.5%
< 1.0%
< 0.5%
< 1.0%
6 Specifications
2-CH MODELS OUTPUT ASSIGNMENT
PIN CH PIN CH
1+ 2 1+ 1
1– 2 1– 1
2+ NC 2+ 2
2– NC 2– 2
CH 2 CH 1
* at 0.5% THD.