RadioShack XL-150 - Manuals

5 Choosing a Mounting Location A good location for mounting the am-plifier is in your vehicle’s trunk. Wher-ever you decide to mount it, choose alocation that: • Does not interfere with the vehi- cle’s operation • Lets you drill mounting holes with- out damaging other vehicle com-ponents • Allows en...

6 BEFORE YOU MAKE THE CONNECTIONS The supplied connection cables in-clude all the lead wires you need toconnect the amplifier to ground, power,and your existing autosound system. Important: • Do not cut these wires. If you cut any wire, you cannot obtain arefund or exchange on this prod-uct. However...

7 Follow these steps to connect the am-plifier to ground, switched power, andprimary power. 1. If you have not done so already, disconnect the cable from yourvehicle’s negative (–) battery ter-minal. 2. Use a screwdriver to connect the spade end of the supplied blackground wire to the amplifier’s GN...

8 5. Connect the blue/white wire’s other end to your autosound sys-tem’s switched power lead usingone of the supplied twist-on termi-nal connectors. This connection turns on theamplifier when you turn on theautosound system, and turns offthe amplifier when you turn off theautosound system. This prev...

9 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. Temporar...

10 If your autosound system has two line out jacks (left and right) , connect the autosound system to the amplifier as shown: Note: For the best results, use shielded audio Y-adapters such as Cat. No. 42-2435 (not supplied). (illus) 12-2015.fm Page 10 Tuesday, July 13, 1999 3:47 PM

12 Four Speaker Outputs Floating Ground Connection Common Ground Connection (illustration) (illustration) 12-2015.fm Page 12 Tuesday, July 13, 1999 3:47 PM

13 Two Speaker Outputs Floating Ground Connection Common Ground Connection (illustration) (illustration) 12-2015.fm Page 13 Tuesday, July 13, 1999 3:47 PM

14 CONNECTING SPEAKERS You can connect two or four speakersto the amplifier and your autosoundsystem. Preparing the Speaker Wires Caution: You must connect a sepa-rate wire to each speaker terminal asdescribed in the following procedures.Only use a common ground wire orchassis ground if your autosou...

15 Connecting the Speakers to the Amplifier 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 Ste...

16 COMPLETING THE INSTALLATION TESTING THE CONNECTIONS Before you continue, make sure youhave securely made all connections.Then reconnect the cable to the vehi-cle’s negative (–) battery terminal. Set LEVEL (MIN/MAX) on both ends of the amplifier to its mid position (see“Adjusting the Audio Level” ...

18 OPERATION TURNING ON THE AMPLIFIER The amplifier automatically turns on afew seconds after you turn your vehi-cle’s ignition switch to ACC or ON, orturn on your autosound system, de-pending on how you wired the system.The POWER indicator on the side of theamplifier lights when the amplifier is on...

19 TROUBLESHOOTING We do not expect you to have any problems with your Optimus XL-150 High Power4-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- ...

22 CARE AND MAINTENANCE Your Optimus XL-150 High Power 4-Channel Stereo Amplifier is an example of su-perior design and craftsmanship. The following suggestions will help you care foryour amplifier so you can enjoy it for years. Keep the amplifier dry. If it gets wet, wipe it dry immediately. Liquid...

23 REPLACING A FUSE If the amplifier does not operate, youmight need to replace the red powercable’s 25-amp SFE-type fuse or the25-amp blade-type fuse on the amplifi-er’s back panel. Check both fuses. Important: Let the amplifier cooldown and see if it starts again beforeyou assume a fuse needs to b...

25 SPECIFICATIONS Output Power: Front ..................................... 10 Watts ¥ 2 @ 4 Ohms, 20–20 kHz, 0.5% THD 20 Watts ¥ 2 @ 4 Ohms, 20–20 kHz, 10% THD 15 Watts ¥ 2 @ 2 Ohms, 20–20 kHz, 1% THD Rear ...................................... 45 Watts ¥ 2 @ 4 Ohms, 20–20 kHz, 0.5% THD 55 Watts ¥ ...

26 NOTES 12-2015.fm Page 26 Tuesday, July 13, 1999 3:47 PM