QSC Intros QSControl.net, Basis 922az

Aug 19, 2003 12:00 PM, Editors


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QSC’s QSControl.net melds the company’s power amplification and loudspeaker products into a single system that allows the user to administer it via a fully integrated graphical user interface. The new Basis 922az (shown) is the first in a series of hardware engines designed to operate over an Ethernet network under the QSControl.net platform.

The Basis 922az combines three distinct QSC technologies within a single hardware unit: amplifier and loudspeaker control, monitoring and protection; configurable DSP; and CobraNet audio transport. Through QSControl.net, multiple Basis 922az units can be networked and controlled from a single software interface, along with all of the amplifier/loudspeaker monitoring functions. In addition, multiple networked computers can be set up to control and monitor all of the Basis 922az units simultaneously.

The Basis 922az has eight analog line-level inputs and eight QSC DataPort outputs (four stereo channels) designed to connect to QSC DataPort-equipped amplifiers for amplifier/loudspeaker control and monitoring. The internal 24x24 DSP engine combines these inputs and outputs with CobraNet channels.

A powerful feature of the Basis 922az is its True Power Limiting capability. This new technology measures the true power going into the driver and achieves the maximum performance possible without exceeding that speaker's safe operating range. Users of other configurable DSP systems are familiar with a variable latency that is inherent in the processing configuration. QSC's DSP engine offers a short and fixed processing latency through the DSP subsystem. The delay is exactly 417 microseconds. When the A/D and D/A converters are figured in, the latency of a Basis 922az is a negligible 2.355 milliseconds.

For more, visit QSC online at www.qscaudio.com. For more sound reinforcement products, visit mixonline.com/live_sound_products/index.htm.

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