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12-2015.fm Page 1 Tuesday, July 13, 1999 3:47 PM
Cat. No. 12-2015
OWNER’S MANUAL
Please read before using this equipment.
XL-150
High Power 4-Channel
Stereo Amplifier
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12-2015.fm Page 2 Tuesday, July 13, 1999 3:47 PM FEATURES Your Optimus XL-150 High Power 4- Mute Turn On Circuit — eliminates Channel Stereo Amplifier is designed the thump you hear when you turn on to give added punch and power to your some amplifiers. vehicle’s existing autosound system. Power Indicator — lights when power The amplifier produces up to 40 watts is supplied to the amplifier. (front) and 110 watts (rear) per chan- nel of clean, powerful sound at all au- Auto-Off — protects th
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12-2015.fm Page 3 Tuesday, July 13, 1999 3:47 PM CONTENTS Preparation ........................................................................................................... 4 Supplied Hardware ......................................................................................... 4 Before You Begin the Installation .................................................................... 4 Choosing a Mounting Location ................................................................. 5 Prepa
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12-2015.fm Page 4 Tuesday, July 13, 1999 3:47 PM 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. (illustration - show all amplifier parts, wires, and hardware) BEFORE YOU BEGIN THE INSTALLATION Before you install your amplifier, read all the instructions in this owner’s manual. And, you should be able to answer all of these questions about your vehicle’s elec- trical and auto
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12-2015.fm Page 5 Tuesday, July 13, 1999 3:47 PM Choosing a Mounting Routing Cables and Wires Location Avoid routing the connection cables and any speaker wires near moving A good location for mounting the am- parts or sharp edges. You can usually plifier is in your vehicle’s trunk. Wher- route wires and cables along the wiring ever you decide to mount it, choose a channel beneath the vehicle’s door fac- location that: ings by carefully removing the molding • Does not interfere with the vehi-
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12-2015.fm Page 6 Tuesday, July 13, 1999 3:47 PM Cautions: BEFORE YOU MAKE THE • For added safety and to protect CONNECTIONS your amplifier and autosound sys- The supplied connection cables in- tem, disconnect the cable from clude all the lead wires you need to your vehicle’s negative (–) battery connect the amplifier to ground, power, terminal before you begin. and your existing autosound system. Important: • Do not cut these wires. If you cut any wire, you cannot obtain a refund or exchan
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12-2015.fm Page 7 Tuesday, July 13, 1999 3:47 PM CONNECTING GROUND AND SWITCHED/PRIMARY POWER Follow these steps to connect the am- 2. Use a screwdriver to connect the plifier to ground, switched power, and spade end of the supplied black primary power. ground wire to the amplifier’s GND (ground) terminal. 1. If you have not done so already, disconnect the cable from your 3. Connect the black ground wire’s vehicle’s negative (–) battery ter- other end to a chassis ground, minal. such as a me
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12-2015.fm Page 8 Tuesday, July 13, 1999 3:47 PM 5.Connect the blue/white wire’s 6. Use a screwdriver to connect the other end to your autosound sys- spade end of the supplied red tem’s switched power lead using power cable (with in-line fuse one of the supplied twist-on termi- holder) to the amplifier’s + 12V ter- nal connectors. minal. 7. Connect the other end of the red power cable to your vehicle’s pos- itive (+) battery terminal as shown. (illus) Then tighten the terminal. This connectio
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12-2015.fm Page 9 Tuesday, July 13, 1999 3:47 PM CONNECTING INPUTS LOW-LEVEL INPUTS You can connect your autosound system’s low-level line out jacks to the amplifi- er’s low-level line in jacks. If your autosound system does not have low-level line out jacks, see “High Level (Speaker Wire) Inputs” on Page 11 to connect your amplifier. 1. Temporarily place the amplifier as close as possible to the selected mounting location. 2. If your autosound system has four separate line out jacks, connec
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12-2015.fm Page 10 Tuesday, July 13, 1999 3:47 PM If your autosound system has two line out jacks (left and right), connect the autosound system to the amplifier as shown: (illus) Note: For the best results, use shielded audio Y-adapters such as Cat. No. 42- 2435 (not supplied). 10
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12-2015.fm Page 11 Tuesday, July 13, 1999 3:47 PM Note: A floating ground connection HIGH-LEVEL (SPEAKER lets the amplifier provide more power WIRE) INPUTS to each speaker, but requires that you connect a separate wire to each If your autosound system does not speaker terminal. A common ground have low-level line out jacks but has connection lets you use fewer wires to only speaker outputs, connect your connect the speakers to the amplifier, autosound system’s speaker outputs but reduces the
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12-2015.fm Page 12 Tuesday, July 13, 1999 3:47 PM Four Speaker Outputs Floating Ground Connection (illustration) Common Ground Connection (illustration) 12
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12-2015.fm Page 13 Tuesday, July 13, 1999 3:47 PM Two Speaker Outputs Floating Ground Connection (illustration) Common Ground Connection (illustration) 13
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12-2015.fm Page 14 Tuesday, July 13, 1999 3:47 PM 1. With the speakers placed in their CONNECTING approximate locations, run one SPEAKERS wire from each speaker to the amplifier. You can connect two or four speakers If you are connecting a subwoofer, to the amplifier and your autosound run two wires from each of the system. subwoofer’s terminals to the amplifier. Preparing the Speaker Wires 2. Separate each wire’s two conduc- tors at both ends for a length of Caution: You must connect a sepa
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12-2015.fm Page 15 Tuesday, July 13, 1999 3:47 PM Connecting the Speakers to the Amplifier (illustration) 1. Use a screwdriver to connect the front left speaker’s positive (+) wire to the amplifier’s SPEAKERS FL (+) terminal. 2. Use a screwdriver to connect the front left speaker’s negative (–) wire to the amplifier’s SPEAKERS FL (–) terminal. 3. Repeat Steps 1–2 to connect the front right speaker’s positive (+) and negative (–) wires to the amplifier’s SPEAKERS FR (+) and SPEAKERS FR (–) te
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12-2015.fm Page 16 Tuesday, July 13, 1999 3:47 PM COMPLETING THE INSTALLATION TESTING THE MOUNTING THE CONNECTIONS AMPLIFIER Before you continue, make sure you Once you verify that the amplifier is have securely made all connections. connected properly, follow these steps Then reconnect the cable to the vehi- to mount it. cle’s negative (–) battery terminal. 1. Disconnect the cable from the vehicle’s negative (–) battery ter- minal. Set LEVEL (MIN/MAX) on both ends of the amplifier to its m
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12-2015.fm Page 17 Tuesday, July 13, 1999 3:47 PM 9 7. Reconnect the cable to the vehi- 4. Drill /64-inch (3.57 mm) holes at cle battery’s negative (–) terminal. the marked locations, being care- ful not to damage anything behind the mounting surface. 5. Secure the amplifier to the mount- ing surface using the supplied sheet metal screws and washers. 6. Reconnect the wiring. 8. Reset your vehicle’s clock, your autosound system’s tuner mem- ory, and other timer/memory devices. 17
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12-2015.fm Page 18 Tuesday, July 13, 1999 3:47 PM OPERATION 1. Use a screwdriver to turn both TURNING ON THE LEVEL (MIN/MAX) controls fully AMPLIFIER counterclockwise to MIN. The amplifier automatically turns on a few seconds after you turn your vehi- cle’s ignition switch to ACC or ON, or turn on your autosound system, de- (illustration) pending on how you wired the system. The POWER indicator on the side of the amplifier lights when the amplifier is on. 2. Turn the autosound system’s vol-
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12-2015.fm Page 19 Tuesday, July 13, 1999 3:47 PM TROUBLESHOOTING We do not expect you to have any problems with your Optimus XL-150 High Power 4-Channel Car Amplifier, but if you have a problem, this chart might help. If not, take the amplifier to your local RadioShack store for assistance. SYMPTOM POSSIBLE CAUSE SUGGESTION No power — the ampli- Power problem. Check the amplifier’s fier’s POWER indicator and autosound sys- does not light after the tem’s fuses and replace vehicle’s autosoun
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12-2015.fm Page 20 Tuesday, July 13, 1999 3:47 PM SYMPTOM POSSIBLE CAUSE SUGGESTION No sound (continued) The amplifier might have The amplifier detected shut down (continued) an input overload. Reduce the autosound system’s volume. Power problem. Check the amplifier’s and autosound sys- tem’s fuses and replace them if necessary (see “Replacing a Fuse” on Page 23). Distorted sound The amplifier might be Reduce your autosound receiving too much input system’s output power power from y
