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INSTALLATION & USER GUIDE
For Powering
Distributed
Audio Systems
A30-X12
12 CHANNEL POWER AMPLIFIER
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A30-X12 12 CHANNEL POWER AMPLIFIER TABLE OF CONTENTS Features............................................................................................................................1 Product Overview...........................................................................................................2 Package Contents ..........................................................................................................4 Preparing for Installation.....................................
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FEATURES n 12 independent amplifiers with 30 watts per channel n Assignable buss and dedicated input for each channel n Multiple turn-on modes n Adjacent bridgeable channels (80 watts) n Stable into low impedance loads (2.66 ohms) n CSA listed and tested under UL6500 standards Installation friendly design: n 12V DC control output n Individual input gain controls for each channel n 3V - 30V AC/DC voltage-trigger n Cascading outputs n Automatic protection circuit with front panel indicator n 5-
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PRODUCT OVERVIEW Red “Power” LED confirms the amplifier is connected Green “Active” LED lights to a live AC power outlet and that the front panel when the amplifier circuitry master power switch is on. has been turned on by the Turn-On circuits. Front panel “Master Power” switch turns off the entire amplifier, including the auto turn- on circuitry. NOTE:This piece of equipment is not completely disconnected from the main power source when the Master Power Switch is in the OFF position.To com- p
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hts Red “protect” LED Attractive extruded uitry aluminum front panel. indicates a fault he condition (D.C. output). Bridging switches, BusMatrix controls, dedicated Gold-plated inputs and level controls for each channel. RCA jacks 1 2 3 4 5 6 7 8 9 10 11 12 MAIN CASCADE BUS BUS INPUT OUTPUT L L R R 12 34 56 78 910 11 12 Dual banana spaced binding Removable Two-prong posts for speaker connections. 16 gauge 6’ AC power cord. 3
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PACKAGE CONTENTS The A30-X12, like any hi-fi component, will last much longer if it is given adequate n A30-X12 x 1 ventilation for proper cooling. When n Removable AC power cord x 1 installing the A30-X12 in a cabinet, be sure that the rear of the cabinet is open to fresh PREPARING FOR air to provide proper cooling (see Figure 1). INSTALLATION If the cabinet’s design will not accommodate an open rear, install two Place the A30-X12 on a flat level surface small “boxer fans” to provide continuo
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Bridging Two Channels Turn-On Modes into One The Turn-On Mode selector switch gives The A30-X12's bridging switches allow you you three options for turning the A30-X12 on to create a more powerful amplifier channel and off. See figure 5 by combining or "bridging" two adjacent channels. Slide the bridging MODEL SI-1200 1 2 Niles Audio Corporation,Inc. BRIDGED switch in the Miami, Florida USA direction of the MAIN CASCADE arrow to bridge two Slide the switch with your LEVEL LEVEL BUS BUS USE CH
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Configuring Y our System 6. Connect the Pre-Amplifier or Receiver to the predetermined Channel Inputs, using Because the A30-X12 offers so many the configuration worksheet as the guide. configuration possibilities it is important to 7. Set the BusMatrix input switch setting for plan carefully before you install it. Draw a each channel. block diagram of your system and use the Configuration Worksheet on page 7 to 8. Set the position of the Turn On Mode record how you plan to connect your switch.
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OPERATION D.C. Protection Power LED In the event a damaging D.C. signal becomes present on any of the speaker The power LED indicates that the AC cord terminals, the D.C. protection circuit shuts is plugged into a working AC power down the entire amplifier and the red LED receptacle and that the power switch is in labeled “Protection” illuminates. To reset the "On" position. the amplifier you must turn the front panel Active LED power switch “off” and then “on.” The rear panel turn-on mode sw
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TROUBLESHOOTING Check for faulty cables, faulty source material, an ungrounded phono system, No sound on one channel cable TV feed or a defective component. BusMatrix DIP switch is not in the correct Amp will not turn on position. Check your configuration AC power cord must be plugged into a worksheet for the correct setting and verify. working outlet. You could have a short circuit or loose wire Master power switch must be on. at speaker or amplifier terminals. Check that connections are secu
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CONFIGURATION WORKSHEET BUS INS & OUTS CONNECTED TO Left Main Bus Right Main Bus Cascade Output CH # BRIDGED DIP INPUT SOURCE SPEAKER 1 2 3 4 5 6 7 8 9 10 11 12 MODE SETTINGS IN USE SPECIAL CONNECTIONS OR NOTES Constant Audio Sense Voltage Trigger Control Output 9
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SPECIFICATIONS Power handing: 30 watts x 12 Frequency response: 5 Hz to 50 kHz +/- 3dB Signal noise ratio: >= 85 dB Power supply AC120V, 60 Hz Power consumption 9 amps Dimensions: 17” wide x 5-1/2” high (including feet) x 15” deep Warranty: 2 year limited 10
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REPAIR OR REPLACEMENT AS PROVIDED UNDER THIS LIMITED WARRANTY WARRANTY IS THE EXCLUSIVE REMEDY OF THE JobSite Systems (“JOBSITE”), a Niles Audio CONSUMER/PURCHASER. NILES SHALL NOT BE Corporation company, warrants its passive products RESPONSIBLE FOR ANY INCIDENTAL OR (those not requiring AC or battery power) to the original CONSEQUENTIAL DAMAGES EXCEPT TO THE EXTENT purchaser to be free of manufacturing defects in PROVIDED (OR PROHIBITED) BY APPLICABLE LAW. material and workmanship for a period
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NOTES: 12
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NOTES: 13
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JOBSITE SYSTEMS 12331 S.W. 130 STREET, MIAMI, FLORIDA 33186 P 866.4JB.SITE (866.452.7483) – F 305.238.0185 WWW.JOBSITESYSTEMS.COM © 2004 JobSite Systems. All rights reserved. JobSite, Pure Custom and Niles are registered trademarks of Niles Audio Corporation and the JobSite Logo is a trademark of Niles Audio Corporation. All other trademarks are the property of their respective owners. Some JobSite products (or components thereof) are manufactured under one or more U.S. Patents, foreign equivale
