Operation Manual
S-Series Power Amplifiers
page 22
7 Specifications
Minimum Guaranteed Power S-2 S-3
120 VAC, 60 Hz Units, Stereo mode, per channel, both channels driven
1 kHz with < 0.5% THD
2 ohms
4 ohms
8 ohms
560 W
450 W
275 W
975 W
660 W
400 W
120 VAC, 60 Hz Units, Bridge mono mode
1 kHz with 0.1% THD
4 ohms
8 ohms
1,100 W
900 W
1,950 W
1,320 W
Performance S-2 S-3
Frequency Response (at 1 watt, 20Hz - 25 kHz) ± 0.2 dB ± 0.2 dB
Phase Response (at 1 watt, 20Hz - 20 kHz) ± 15° ± 15°
Signal to Noise Ratio below rated power
(A weighted)
(20 Hz to 20 kHz)
> 105 dB
> 100 dB
> 105 dB
> 100 dB
Total Harmonic Distortion (THD) at rated power, from 20 Hz to 20 kHz 0.5% 0.5%
Intermodulation Distortion (IMD) 60 Hz and 7 kHz at 4:1,
from 163 milliwatts to full bandwidth power < 0.1% < 0.1%
Damping Factor: 10 Hz to 400 Hz > 400 > 400
Crosstalk (below rated power, 20 Hz to 20 kHz) > 55 dB > 55 dB
Common Mode Rejection (CMR) (20 Hz to 1 kHz) > 70 dB > 70 dB
DC Output Offset (Shorted input) ±10 mV ±10 mV
Input Impedance nominally balanced, nominally unbalanced 20 k ohms, 10 k ohms 20 k ohms, 10 k ohms
Load Impedance (Note: safe with all types of loads)
Stereo
Bridge Mono
2, 4 and 8 ohms
4 and 8 ohms
2, 4 and 8 ohms
4 and 8 ohms
Voltage Gain (at maximum level setting, to 1-kHz, 8-ohm rated output)
26 dB setting
1.4V setting
26 dB
30.5 dB
26 dB
32.1 dB
Required AC Mains (configured country-specific) 50/60 Hz, 230 - 240 VAC (±10%) 50/60 Hz, 230- 240 VAC (±10%)
Power Draw at Idle 90 watts 90 watts
AC Line Connector NEMA 5-15P (15A) NEMA 5-15P (15A)
Cooling Proportional speed fan Proportional speed fan
Dimensions: Width, Height, Depth EIA Standard 19 in. (48.3 cm) x 5.25 in. (13.34 cm) x 12.25 in. (31.11 cm) EIA Standard 19 in. (48.3 cm) x 5.25 in. (13.34 cm) x 12.25 in. (31.11 cm)
Net Weight, Shipping Weight 14.79 kg, 17.49 kg 18.28 kg, 20.98 kg
