Radio Shack XL-400 owner manual Connecting Two Speakers Bridged Connection

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Connecting Two Speakers (Bridged Connection)

Left Speaker

Right Speaker

Caution: This connection produces 200 watts per channel. Use this connection only if you have high-power speakers that can han- dle a power output of 200 watts.

Note: CH2 (+) and CH4 (+) are used as nega- tive (–) terminals for a bridged connection.

1.Use a screwdriver to connect the left speaker’s positive (+) wire to the ampli- fier’s CH1 (+) terminal.

2.Use a screwdriver to connect the left speaker’s negative (–) wire to the ampli- fier’s CH2 (+) terminal.

3.Repeat Steps 1–2 to connect the right speaker’s positive (+) and negative (–) wires to the amplifier’s CH3 (+) and CH4

(+) terminals.

4.Set both BRG/ST switches (on the left and right sides of the amplifier) to BRG.

Connecting Two Speakers and One Subwoofer (Unbridged Connection)

 

 

Or

 

CH1 Front

CH2 Front

CH3 Rear

CH4 Rear

Left Speaker

Right Speaker

Subwoofer

Subwoofer

1. Use a screwdriver to connect the front

3. Repeat Steps 1–2 to connect the front

left speaker’s positive (+) wire to the

right speaker’s positive (+) and negative

amplifier’s CH1 (+) terminal.

 

(–) wires to the amplifier’s CH2 (+) and

 

 

CH2 (–)terminals.

2.Use a screwdriver to connect the front left speaker’s negative (–) wire to the amplifier’s CH1 (–)terminal.

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Connecting Inputs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents XL-400 High Power 2-Channel Bridgeable Amplifier Contents 14K Gold-Plated Noise-Isolated Low-Lev FeaturesFCC Wants YOU to Know Supplied Hardware Before YOU Begin the InstallationPreparation Choosing a Mounting LocationBefore YOU Make the Connections Installation OrderRouting Cables and Wires 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 connectionCommon Ground Connection Four Speaker OutputsFloating 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 Cle’s negative battery terminal. Then Completing the InstallationTesting Connections Mounting the AmplifierCompleting the Installation Turning on Amplifier Adjusting the Audio LevelOperation Adjusting Frequency Crossover Troubleshooting Symptom Possible Cause SuggestionReplacing the SFE-Type Fuse CareReplacing a Fuse Replacing the Blade-Type FusesFm Page 22 Friday, May 12, 2000 1246 PM Specifications Limited One-Year Warranty