Radio Shack 85 owner manual Connecting Four Speakers

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12-1977.fm Page 15 Tuesday, July 13, 1999 10:07 AM

Connecting Four Speakers

1.Connect one end of a speaker wire’s marked conductor to the amplifier’s CH1 + terminal (front-left positive).

2.Connect the unmarked conductor’s end to the amplifier’s CH1 - terminal (front-left negative).

3.Repeat Steps 1 and 2 to connect another speaker wire to the amplifier’s CH2 (front-right) terminals.

4.Repeat Steps 1-3 to connect speaker wires to the amplifier’s CH3 (rear-left) and CH4 (rear-right) terminals.

5.Connect the other ends of the four speaker wires so CH1 connects to the front-left speaker, CH2 to the front-right speaker, CH3 to the rear-left speaker, and CH4 to the rear-right speaker.

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Contents 85 × 4 High Power 4-Channel Trunk Mount Amplifier Automatic Thermal Protection FeaturesMute Turn On Circuit eliminates Contents Before YOU Begin the Installation PreparationChoosing a Mounting Location Connecting Ground and PRIMARY/SWITCHED Power Illus please add a dwg that illustrates step Low Level Input Connections Connecting to Your Autosound SystemFm Page 9 Tuesday, July 13, 1999 1007 AM Fm Page 10 Tuesday, July 13, 1999 1007 AM High-Level Input Connections Floating Ground Connection Common Fm Page 13 Tuesday, July 13, 1999 1007 AM Preparing the Speaker Wires Connecting the SpeakersConnecting Four Speakers Connecting Two Speakers Unbridged Connection Connecting Two Speakers Bridged Connection Fm Page 18 Tuesday, July 13, 1999 1007 AM Connecting Two Unbridged Speakers and One Bridged Subwoofer Testing the Connections Mounting the Amplifier Fm Page 22 Tuesday, July 13, 1999 1007 AM Setting the Level Control OperationTurning on the Amplifier Using the Frequency Crossover Over Freq On/Off SwitchOver Freq Control Maintenance Replacing the Fuses Replacing the Tube-Type FuseReplacing a Blade-Type Fuse Specifications Radio Shack