Yamaha GX-505 Owner's Manual - Page 16
Connections
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Preparations and connections Connections Never plug the AC supply lead of this system into the AC outlet until all connections are completed. Subwoofer system (not included in this system) INPUT Speakers L SUBWOOFER OUT R AUX/MD R L OUT IN R L 6 MIN./SPEAKER SEE OWNER'S MANUAL FOR CONNECTION. SPEAKERS MAINS s Connecting speakers To AC outlet Connect the speakers to the corresponding speaker terminals on the rear of the main unit by using the speaker cords. Make sure that the polarity of the speaker cords is correct, that is the + and - markings are observed. If these cords are reversed, the sound will be unnatural and lack bass. On the speakers Red: positive (+) Black: negative (-) 2 13 1Press the tab. 2Insert the bare wire. [Remove approx. 5mm (1/ 4") insulation from the speaker wires.] 3Release the tab and secure the wire. On the main unit Red: positive (+) Black: negative (-) 1 3 2 1Pull up the tab. 2Insert the bare wire. [Remove approx. 5mm (1/ 4") insulation from the speaker wires.] 3Press down the tab and secure the wire. Caution Do not let the bare speaker wires touch each other as this could damage the amplifier and/or speakers. When connecting a subwoofer (not included in this system) You may wish to add a subwoofer to reinforce the bass frequencies. When connecting a subwoofer to this system, connect the SUBWOOFER OUT terminal of this system to the INPUT terminal of the subwoofer. * Ordinary subwoofers, including the Yamaha Active Servo Processing Subwoofer System, are designed so that both the amplifier and subwoofer are contained in the same unit. * The SUBWOOFER OUT terminal outputs low frequencies from both the left and right channels. (The cut-off frequency of this terminal is 200 Hz.) E-6
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