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SC281675 MacArthur Blvd., Costa Mesa, CA, 92626 USA Main Number (714) 754-6175 or toll free (USA only) (800) 854-4079 Customer Service(714) 957-7150 or toll free (USA only) (800) 772-2834 Loudspeaker Signal Processing Products User Manual SC28 Two-Input, Eight-Output System Controller for QSC Loudspeakers *TD-000238-00* TD-000238-00 rev.C...
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QSC amplifiers. Two-channels of audio enter the SC28 via locking female XLR connectors. Digital audio conversion is 48 kHz, 24-bit, input and output with a very low noise floor and wide dynamic range. DSP is 32/40-bit floating point. Four channels of output for each of the two inputs are provided for controlling up to 3-way systems with subwoofers.
Rack Mounting Rack mount the SC28 by supporting it from underneath while aligning the mounting holes with the threaded screw holes in the rails; install all four mounting screws and washers and tighten securely. Ensure use of all four mounting screws in order to minimize the chance of bending or distorting the rack mount ears.
Audio Inputs On the rear panel, there are two female XLR line-level inputs marked INPUTS below the connectors and designated A and B above the connectors. Connect the line-level analog audio inputs to these connectors. Input sensitivity can be selected from the Setup Menu;...
AC Mains There is no AC power switch on the SC28. To connect AC Mains power to the SC28, insert the IEC molded line cord plug into the IEC receptacle on the rear panel and plug the AC line cord plug into a properly operating AC outlet. To disconnect the SC28 from the AC Mains, unplug the AC line cord plug from the AC Mains outlet.
+4 dBu input level. LCD Display and Control (Rotary Encoder) The SC28 has a 2 line X 16 character LCD display. The display and the push-to-select rotary encoder knob pro- vide data access and editing capability. The rotary...
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Preliminary Specification Dynamic Range (AES-17, -60 dB Method, all sensitivities) unweighted A weighted Distortion (AES-17, 20 Hz-20 kHz, all sensitivities) +4 dBu 2 dB below clip (max) Crosstalk (20 Hz - 20k Hz) inter-channel (max) Input Impedance Balanced (nominal) Unbalanced (nominal) Common-Mode Rejection 20 Hz - 20k Hz (min) 20 Hz - 20k Hz (typ)
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Preliminary Specification USB Port USB Cable AC Power Requirements AC Power Connection AC Power Cord USB type “B” 1.5 meters long, USB 1.1 compliant 100-240 VAC, 50-60 Hz, no user adjustment required IEC-type inlet 2 meters long, #18AWG Specifications are subject to change without notice.
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Warranty (USA only; other countries, see your dealer or distributor) Disclaimer QSC Audio Products, LLC is not liable for any damage to amplifiers or any other equipment that is caused by negligence or improper installation and/or use of this loudspeaker product.