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11 Specifications
The correlation between published specifications and sonic
quality can be unreliable. A list of numbers reveals virtually
nothing. All technical measurements must be subject to
qualitative as well as quantitative interpretation. Measurements
of the SX25i reveal excellent results by any standards. Tested at
115V and 230V after a 10 minute warm up period.
Specifications
in Brief
Rated Power Output
(per channel)...........................25W
RMS
into 8Ω
...........................................................................35W
RMS
into 4Ω
Voltage Swing...................................................................55.2V
p-p
Input Sensitivity..............................................................0.63V
RMS
Maximum Gain .................................................................. 27.1dB
Input Impedance:
Typically.............................................................................40kΩ
Total Harmonic Distortion
(THD+N):
Typically............................................. 0.002%, @ 1kHz into 8Ω
20Hz to 20kHz................................................................ <0.02%
Frequency Response:
20Hz–20kHz........................................................ +0dB, -0.25dB
5Hz–60kHz............................................................ +0dB, -1.0dB
Signal to Noise Ratio:
Rated Output
(unweighted)................................................... 100dB
Dynamic Headroom
(rated with music)................................... >2.0dB
Power Consumption:
Idle....................................................................................... 10W
Maximum
(at 35W per channel into 4
Ω
)...................................... 80W
Audio Connections
Inputs..........................................................1 pair line level (RCA)
Outputs....................................................... 1 pair line level (RCA)
.......................................................2 pairs speaker binding posts
Other Connections
IEC AC mains input receptacle
Mains Input Voltage
115V or 230V AC at 50Hz/60Hz
(Set within the SX25i at time of manufacture)