Radio Shack XL-400 owner manual Connecting Speakers, Preparing the Speaker Wires

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CONNECTING SPEAKERS

You can connect four speakers, two speak- ers and a subwoofer, or just two speakers to the amplifier and your auto sound system.

Important: Before you make the connec- tions, make sure both BRG/ST switches (on the left and right sides of the amplifier) are set to ST.

Preparing the Speaker Wires

Caution: You must connect a separate wire to each speaker terminal as described in the following procedures. Only use a common ground wire or chassis ground if your auto sound system is wired for it.

Notes:

Use 16- or 18-gauge marked or color- coded wires to help you correctly con- nect the speakers to your amplifier.

Color-coded wires have a stripe running down one of the conductors or different colored insulation for each conductor. Your local RadioShack store has a wide selection of speaker wire.

For the maximum bass response and the best overall performance, keep your speakers properly phased (connect + to + and – to –).

1.With the speakers placed in their approximate locations, run one wire from each speaker to the amplifier.

If you are connecting a subwoofer, run two wires from each of the subwoofer’s terminals to the amplifier.

2.Separate each wire’s two conductors at both ends for a length of about 4 inches.

3.Strip the insulation from the ends of each conductor to expose 1/4 inch of wire. Twist the ends to secure loose strands.

Conductors

1/4 Inch

4 Inches

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Connecting Inputs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents XL-400 High Power 2-Channel Bridgeable Amplifier Contents Features FCC Wants YOU to Know14K Gold-Plated Noise-Isolated Low-Lev Before YOU Begin the Installation PreparationSupplied Hardware Choosing a Mounting LocationInstallation Order Routing Cables and WiresBefore YOU Make the Connections Preparing the Mounting AreaConnecting Ground and SWITCHED/PRIMARY Power Fm Page 7 Friday, May 12, 2000 1246 PM Connecting Inputs LOW-LEVEL InputsHIGH-LEVEL Speaker Wire Inputs Using either a floating or common ground connectionFour Speaker Outputs Floating Ground ConnectionCommon Ground Connection Two Speaker Outputs Connecting Speakers Preparing the Speaker WiresConnecting Four Speakers Connecting Two Speakers Unbridged ConnectionConnecting Two Speakers Bridged Connection Connecting Two Unbridged Speakers and One Bridged Subwoofer Completing the Installation Testing ConnectionsCle’s negative battery terminal. Then Mounting the AmplifierCompleting the Installation Adjusting the Audio Level OperationTurning on Amplifier Adjusting Frequency Crossover Troubleshooting Symptom Possible Cause SuggestionCare Replacing a FuseReplacing the SFE-Type Fuse Replacing the Blade-Type FusesFm Page 22 Friday, May 12, 2000 1246 PM Specifications Limited One-Year Warranty