Onkyo TX-NR901 Owner Manual - Page 23
Connecting Your Speakers
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59/3@&OCPPL 1BHF 8FEOFTEBZ 0DUPCFS Connecting the TX-NR901-Continued Connecting Your Speakers Read the following before connecting your speakers: • Disconnect the power cord from the wall outlet. • Read the instructions supplied with your speakers. • Pay close attention to speaker wiring polarity. In other words, connect positive (+) terminals to only positive (+) terminals, and negative (-) terminals to only negative (-) terminals. If you get them the wrong way around, the sound will be out of phase and will sound unnatural. • Only connect speakers with an impedance of between 4 and 16 ohms. If the impedance of any one speaker is between 4 and 6 ohms, be sure to select the 4 ohms setting on the TX-NR901 (see page 40). • Unnecessarily long, or very thin speaker cables may affect the sound quality and should be avoided. • Be careful not to short the positive and negative wires. Doing so may damage the TX-NR901. • Don't connect more than one cable to each speaker terminal. Doing so may damage the TX-NR901. • If you want to connect a single speaker instead of a pair, don't connect it to the left and right terminals. R L R L The following illustration shows which speaker should be connected to each pair of terminals. Front right speaker Center speaker Front left speaker FRONT SPEAKERS R L SURR SPEAKERS R L CENTER SPEAKER Surround right speaker SURR BACK ZONE 2 SPEAKERS R L Surround left speaker Surround back right speaker Surround back left speaker Connecting the Speaker Cables 1 Strip about 5/8" (15 mm) of insulation from the ends of the speaker cables, and twist the bare wires tightly, as shown. 2 Unscrew the terminal. 5/8" (15 mm) 3 Fully insert the bare wires. Connecting a Powered Subwoofer Using a suitable cable, connect the TX-NR901's PRE OUT SUB output to the powered subwoofer's input, as shown. If your subwoofer is unpowered and you're using an external amp, connect the PRE OUT SUB output to the amp's input. Powered subwoofer LINE INPUT LINE INPUT DIGITAL IN COAX 1 PRE OUT R L FRONT SUB 2 CENTER AUDIO R L VIDEO S VIDEO MONITOR OUT OUT ZONE 2 3 OPT 1 SURR SURR BACK / R ZONE 2 FRONT 2 R SUB 3 4 OPT 1 2 DIGITAL OUT SURR R SURR BACK GND AUDIO L R L TUNER IN MULTI CH INPUT L AUDIO R L CENTER PHONO IN CD IN L OUT TAPE IN R L AUDIO R L AUDIO IN DVD OUT IN VIDEO 1 OUT IN VIDEO 2 IN VIDEO 3 IN VIDEO 4 VIDEO S VIDEO PRE OUT SUB 4 Screw the terminal tight. 23