2-2013.fm Page 1 Tuesday, May 9, 2000 9:09 AM Please read before using this equipment.
12-2013.fm Page 2 Tuesday, May 9, 2000 9:09 AM ˆ Contents Features .................................................................................................................................. 3 Preparation ............................................................................................................................. Supplied Hardware ............................................................................................................ Before You Begin the Installation ............
12-2013.fm Page 3 Tuesday, May 9, 2000 9:09 AM ˆ Features Your RadioShack High-Power Trunk-Mount Stereo Amplifier produces a total of 50 watts to give added punch and power to your vehicle’s existing auto sound system. The amplifier produces up to 25 watts per channel of clean, powerful sound at all audio frequencies with minimum distortion. You can connect your auto sound system’s lowlevel or speaker-level outputs to this amplifier.
12-2013.fm Page 4 Tuesday, May 9, 2000 9:09 AM ˆ 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.
12-2013.fm Page 5 Tuesday, May 9, 2000 9:09 AM Warning: The amplifier gets very hot while it is on. Do not touch the amplifier or place flammable objects near it. Preparing the Mounting Area In addition to the supplied hardware, you need these materials: • an adapter harness Then test the connections. When you confirm that everything works as expected, disconnect the amplifier, mount it in your vehicle, and reconnect it.
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 RadioShack store has a large variety of speakers. • For added safety and to protect your amplifier and auto sound system, disconnect the cable from your vehicle’s negative (–) battery terminal before you begin. To make it easier to gauge wire length and connect the amplifier, temporarily place the amplifier as close as possible to the selected mounting location.
12-2013.fm Page 7 Tuesday, May 9, 2000 9:09 AM This connection turns on the amplifier when you turn on the auto sound system, and turns off the amplifier when you turn off the auto sound system. This prevents your vehicle’s battery from being drained if you leave your amplifier on when you turn your auto sound system off.
12-2013.fm Page 8 Tuesday, May 9, 2000 9:09 AM inch of wire. Twist the ends to secure loose strands. LOW-LEVEL INPUTS You can connect your auto sound system’s low-level line out jacks to the amplifier’s LOW INPUT jacks. If your auto sound system does not have low-level line out jacks, see “High-Level (Speaker Wire) Inputs” to connect your amplifier. Note: For the best results, use shielded audio cables (not supplied) available at your local RadioShack store. 1.
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12-2013.fm Page 11 Tuesday, May 9, 2000 9:09 AM CONNECTING SPEAKERS Right Speaker Left Speaker 1. Use a screwdriver to connect the left speaker’s positive (+) wire to the amplifier’s SPEAKER L (+) terminal. 3. Repeat Steps 1–2 to connect the right speaker’s positive (+) and negative (–) 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 amplifier’s SPEAKER L (–) terminal.
-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 connected properly, follow these steps to mount it. 1. Disconnect the cable from the vehicle’s negative (–) battery terminal. 2. To make mounting more convenient, temporarily disconnect the amplifier’s connections (ground, primary power, remote power, your auto sound system’s input, and speakers). 5.
12-2013.fm Page 13 Tuesday, May 9, 2000 9:09 AM ˆ Operation TURNING ON THE AMPLIFIER 1. Use a screwdriver to turn LEVEL (MIN/ MAX) fully counterclockwise to MIN. 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 the system. The POWER indicator on the side of the amplifier lights when the amplifier is on. 2.
12-2013.fm Page 14 Tuesday, May 9, 2000 9:09 AM ˆ Troubleshooting Symptom No power — the amplifier’s POWER indicator does not light after the vehicle’s auto sound system is turned on No sound Possible Cause Suggestion Power problem. Check the amplifier’s and auto sound system’s fuses and replace them if necessary (see “Replacing a Fuse” on Page 15). Vehicle’s ignition not turned on. Start the vehicle. Amplifier not connected to auto sound system/vehicle correctly. Check all connections.
12-2013.fm Page 15 Tuesday, May 9, 2000 9:09 AM ˆ Care To enjoy your amplifier for a long time: 2. Push together and twist the fuse holder’s parts on the red power cable until they spring apart. Then remove the fuse. • Keep the amplifier dry. If it gets wet, wipe it dry immediately. • Use and store the amplifier only in normal temperature environments. • Handle the amplifier gently and carefully. Do not drop it. Fuse • Keep the amplifier away from dust and dirt. 3. If the fuse is blown, replace it.
12-2013.fm Page 16 Tuesday, May 9, 2000 9:09 AM ˆ Specifications 10% THD Output Power @ 14.4 VDC 1kHz .................................................................................. 25 Watts Frequency Response ................................................................................................ 20–20,000 Hz (±3 dB) Input Impedance ....................................................................................................................... 11.
