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The IntraSound Audio System

Sonora, CA – November 2010… Stewart Audio, manufacturer of the finest quality American made power amplifiers and audio equipment for a wide range of sound reinforcement applications, is pleased to introduce the new IntraSound Audio System. Leveraging the benefits of CAT-5 cable for the transmission of both signal and power, a Class D Micro amplifier with selectable gain, the ability to daisy chain multiple hubs and nodes for system expansion, and ENERGY STAR compliance for efficient operation, the new IntraSound Audio System facilitates flexible system design and easy installation. The IntraSound Audio System is the perfect sound reinforcement solution that can be managed by corporate IT departments and school AV staff in addition to professional installers. With its rich feature set and the ability to function as a conventional 70-volt distributed system, the new IntraSound Audio System is ideally suited for classrooms, boardrooms, lobbies, corporate offices, and as a superior sounding alternative to conventional 70-volt distributed systems.

The IntraSound Audio System consists of two components: the IS-HUB4 IntraSound 4-Port Hub (the primary system component), and the IS-AmpNode-10 amplifier node. The IS-HUB4 incorporates four RJ45 ports for audio and power, RCA or 3.5 mm stereo inputs, and an included 60W, UL-rated external power supply (an optional 90W external power supply is available for larger systems). In addition to stereo audio, each of the four available ports supplies up to 20 watts of power via CAT-5 cable to the connected IS-AmpNode-10 amplifier node(s). The IS-HUB4 is Plenum rated and is designed to provide convenience and installation flexibility above the ceiling or in other environmental air spaces.

With its compact form factor, highly efficient class D design, and adjustable power output, the IS-Amp-Node-10 amplifier node easily converts any speaker into a powered speaker. The nodes can be daisy chained to other nodes to expand the system and each node can output Right, Left, or Mono audio. The IS-AmpNode-10 enables one to assemble an audio system that is perfectly suited to the size and typical usage of the space. Of particular note, the IntraSound Audio System can easily mimic a conventional 70-volt distributed system, but without the frequency loss inherent in such systems. As many as 20+ nodes can be interconnected, providing exceptional flexibility in terms of system design.

Brian McCormick, Chief Marketing Officer for Stewart Audio, commented on the company’s new IntraSound Audio System. “Our new IntraSound System re-defines the landscape for installed sound reinforcement in a broad range of applications,? states McCormick. “Since each port on the hub can supply upwards of 20 watts, anywhere from 1-16 loudspeakers can be attached. Hence, a full 4-port system can be significant in size. With the node’s ability to define Right, Left, or Mono output, the system not only provides excellent sound quality for classrooms and meeting spaces where video playback equipment is deployed, it also provides superior sound quality for conventional background music/paging systems. As CAT-5 cable is used to carry both signal and power, it eliminates the potential for interference that can arise with twisted pair cable and it is also a familiar item with IT and AV personnel—thus making the process of configuring a sound reinforcement setup far less intimidating.?

In addition to individual components, Stewart Audio’s new IntraSound Audio System is available as a system package. Model description and pricing are as follows:

IntraSound System Packages MSRP Price

IS-20W System: IS-Hub x 1, IS- AmpNode x 2, IS-SP4 speakers x 2, PS-60W power supply x 1. Includes two 10W amplifiers $349.
IS-40W System: IS-Hub x 1, IS- AmpNode x 4, IS-SP4 speakers x 4, PS-60W power supply x 1. Includes four 10W amplifiers
Individual Components

IS-HUB-4: 4-port hub without power supply $179.
IS-AmpNode-10: node amplifier (10W) – mono or stereo $69.
PS-60W: 60W, 24V power supply for IS-Hub $55.
PS-80W: 90W, 24V power supply for IS-Hub $79
IS-SP4: one pair of 4-inch ceiling speakers $85.

About Stewart Audio
Stewart Audio is a leader in lightweight, convection cooled power amplifiers that produce excellent sound with a difference you can hear. The company continues to leverage its core technical competencies to solve everyday problems faced by sound consultants, contractors, musicians, and audio professionals. Stewart Audio’s customer centric products are designed and manufactured in California, U.S.A. For additional information, visit Stewart Audio online at www.stewartaudio.com.


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