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12-2013.fm Page 1 Tuesday, May 9, 2000 9:09 AM
XL-50 High Power Trunk-Mount
Stereo Amplifier
Owner’s Manual
Please read before using this equipment.
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12-2013.fm Page 2 Tuesday, May 9, 2000 9:09 AM Contents Features .................................................................................................................................. 3 Preparation ............................................................................................................................. 4 Supplied Hardware ............................................................................................................ 4 Before You Begin the Install
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12-2013.fm Page 3 Tuesday, May 9, 2000 9:09 AM Features Auto-Off Your RadioShack High-Power Trunk-Mount — temporarily shuts down the am- Stereo Amplifier produces a total of 50 watts plifier to protect the amplifier from overheat- to give added punch and power to your vehi- ing, output channel shorts, or input cle’s existing auto sound system. overloads. The amplifier restarts automati- cally when it cools or the problem is correct- The amplifier produces up to 25 watts per ed. channel of
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12-2013.fm Page 4 Tuesday, May 9, 2000 9:09 AM Preparation SUPPLIED HARDWARE Your amplifier comes with the following items. Be sure you locate everything shown before you store or dispose of the packing materials. Power Wire (Red) (1) Ground Wire (Black) (1) Remote Wire (Blue/White) (1) Flat Washers (4) 4-Pin Connector with Wire (1) Twist-On Terminal Connectors (4) Sheet Metal Screws (4) Lock Washers (4) Also, be aware that installation in your vehi- BEFORE YOU BEGIN THE cle might require
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12-2013.fm Page 5 Tuesday, May 9, 2000 9:09 AM Warning: The amplifier gets very hot while it Then test the connections. When you con- is on. Do not touch the amplifier or place firm that everything works as expected, dis- flammable objects near it. connect the amplifier, mount it in your vehicle, and reconnect it. Preparing the Mounting Area Caution: If you do not make the connections in the order shown, damage to the amplifier In addition to the supplied hardware, you and your auto sound sys
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12-2013.fm Page 6 Tuesday, May 9, 2000 9:09 AM Cautions: channel). Each speaker must have an impedance of at least 4 ohms. Your local • For added safety and to protect your RadioShack store has a large variety of amplifier and auto sound system, dis- speakers. connect the cable from your vehicle’s negative (–) battery terminal before you To make it easier to gauge wire length and begin. connect the amplifier, temporarily place the amplifier as close as possible to the selected • Be sure your
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12-2013.fm Page 7 Tuesday, May 9, 2000 9:09 AM This connection turns on the amplifier when you turn your auto sound system when you turn on the auto sound sys- off. tem, and turns off the amplifier when 6. Use a screwdriver to connect the spade you turn off the auto sound system. This end of the supplied red power cable prevents your vehicle’s battery from (with in-line fuse holder) to the ampli- being drained if you leave your amplifier fier’s + 12V terminal. on when you turn your auto sound
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12-2013.fm Page 8 Tuesday, May 9, 2000 9:09 AM inch of wire. Twist the ends to secure HIGH-LEVEL (SPEAKER loose strands. WIRE) INPUTS If your auto sound system does not have LOW-LEVEL INPUTS low-level line out jacks but has only speaker You can connect your auto sound system’s outputs, connect your auto sound system’s low-level line out jacks to the amplifier’s LOW speaker outputs to the amplifier’s HIGH IN- INPUT jacks. PUT jacks. If your auto sound system does not have If your auto sound s
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12-2013.fm Page 9 Tuesday, May 9, 2000 9:09 AM Two Speaker Outputs Floating Ground Connection White/Black Gray/Black Auto Sound System Common Ground Connection Auto Sound System 9 Connecting Inputs Left + Left + Speaker White White Speaker Left – White/ Speaker Black Common Right – Speaker Gray/ Right + Right + Black Speaker Speaker Gray Gray
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12-2013.fm Page 10 Tuesday, May 9, 2000 9:09 AM Four Speaker Outputs Rear Speaker Connection White/Black Gray/Black Left Front Right Front Speaker Speaker Auto Sound System Front and Rear Speaker Connection Front Rear White/Black Gray/Black White/Black Gray/Black Auto Sound System 10 Connecting Inputs Left Front + Speaker White Left Front– Speaker Right Front – Speaker Right Front + Speaker Gray Left + Speaker White Left – Left Rear + Speaker Speaker White Right – Left Rear – Speaker
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12-2013.fm Page 11 Tuesday, May 9, 2000 9:09 AM CONNECTING SPEAKERS Left Speaker Right Speaker 1. Use a screwdriver to connect the left 3. Repeat Steps 1–2 to connect the right speaker’s positive (+) wire to the ampli- speaker’s positive (+) and negative (–) fier’s SPEAKER L (+) terminal. wires to the amplifier’s SPEAKER R (+) and SPEAKER R (–) terminals. 2. Use a screwdriver to connect the left speaker’s negative (–) wire to the ampli- fier’s SPEAKER L (–) terminal. Completing the Installa
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12-2013.fm Page 12 Tuesday, May 9, 2000 9:09 AM MOUNTING THE AMPLIFIER Sheet Metal Screw Lock Washer Flat Washer 9 /64-Inch Mounting Holes Once you verify that the amplifier is connect- 5. Secure the amplifier to the mounting ed properly, follow these steps to mount it. surface using the supplied sheet metal screws and washers. 1. Disconnect the cable from the vehicle’s negative (–) battery terminal. 6. Reconnect the wiring. 2. To make mounting more convenient, 7. Reconnect the cable to the v
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12-2013.fm Page 13 Tuesday, May 9, 2000 9:09 AM Operation LEVEL (MIN/ 1. Use a screwdriver to turn TURNING ON THE MAX) fully counterclockwise to MIN. AMPLIFIER The amplifier automatically turns on a few seconds after you turn your vehicle’s ignition switch to ACC or ON or turn on your auto sound system, depending on how you wired POWER the system. The indicator on the side of the amplifier lights when the amplifier is on. 2. Turn up the auto sound system’s volume control to about one-thi
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12-2013.fm Page 14 Tuesday, May 9, 2000 9:09 AM Troubleshooting Symptom Possible Cause Suggestion No power — the amplifier’s Power problem. Check the amplifier’s and auto POWER indicator does not light sound system’s fuses and after the vehicle’s auto sound replace them if necessary (see system is turned on “Replacing a Fuse” on Page 15). Vehicle’s ignition not turned on. Start the vehicle. Amplifier not connected to auto Check all connections. sound system/vehicle correctly. No sound A
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12-2013.fm Page 15 Tuesday, May 9, 2000 9:09 AM Care To enjoy your amplifier for a long time: 2. Push together and twist the fuse holder’s parts on the red power cable • Keep the amplifier dry. If it gets wet, until they spring apart. Then remove the wipe it dry immediately. fuse. • Use and store the amplifier only in nor- mal temperature environments. • Handle the amplifier gently and care- fully. Do not drop it. Fuse • Keep the amplifier away from dust and dirt. 3. If the fuse is blown, r
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12-2013.fm Page 16 Tuesday, May 9, 2000 9:09 AM Specifications 10% THD Output Power @ 14.4 VDC 1kHz .................................................................................. 25 Watts Frequency Response ................................................................................................ 20–20,000 Hz (– 3 dB) Input Impedance ....................................................................................................................... 11.5 KOhms Input Sensitivity
