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SI-250
SI-2100
SI-2150
Design Principle
Fully discrete, high
current bridgeable
stereo amplifier
Digital, high current
bridgeable stereo
amplifier
Digital, high current
bridgeable stereo
amplifier
Continuous
Average Power
Output
50 watts RMS per
channel into 8 Ohms,
100 watts RMS per
channel into 4 Ohms
(all channels driven)
100 watts RMS per
channel into 8 Ohms,
220 watts RMS per
channel into 4 Ohms
(all channels driven)
150 watts RMS per
channel into 8 Ohms,
270 watts RMS per
channel into 4 Ohms
(all channels driven)
Continuous
Average Power
Output Bridged
225 wats RMS per
channel into 8 Ohms
400 wats RMS per
channel into 8 Ohms
550 wats RMS per
channel into 8 Ohms
Frequency
Response
Bandwidth from 5 Hz
to 25 kHz (=0dB/-3B)
Bandwidth from 5 Hz
to 25 kHz (=0dB/-3B)
Bandwidth from 5 Hz
to 25 kHz (=0dB/-3B)
Signal to Noise
Ratio
20Hz to 20kHz
unweighted > 102 dB
20Hz to 20kHz
unweighted > 102 dB
20Hz to 20kHz
unweighted > 102 dB
Total Harmonic
Distortion
0.2% THD from
20 Hz to 20 kHz
0.2% THD from
20 Hz to 20 kHz
0.2% THD from
20 Hz to 20 kHz
Channel
Separation
@ 1kHz >70dB
@ 1kHz >70dB
@ 1kHz >70dB
Overall
Dimensions
17 ¼” (43.81 cm) wide
2 ¼” (5.6 cm) high (including feet)
13 ½” (34.35 cm) deep
Weight
10.7 lb., 4.8 kg.
10.8 lb., 4.9 kg.
10.8 lb., 4.9 kg.
AC Mains:
100-120/220-240 V~,
50/60 Hz, 600 W
100-120/220-240 V~,
50/60 Hz, 800 W
100-120/220-240 V~,
50/60 Hz, 1000 W
SpECIFICATIONS
9901253-Rev-A-SI-2150Manual.indd 20
6/8/12 9:43 AM