Onkyo TX-SR373 Owners Manual - English - Page 9
Connecting the speakers - setup
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2 Connecting the speakers The receiver will work with just two stereo speakers (the front speakers in the diagram) but using at least three speakers is recommended, and a complete setup is best for surround sound. Up to two powered subwoofers can be connected. The same signal is output from each of the SUBWOOFER jacks. Make sure you connect the speaker on the right to the right (R) terminal and the speaker on the left to the left (L) terminal. Also make sure the positive and negative (+/-) terminals on the receiver match those on the speakers. You can use speakers with a nominal impedance between 6 Ω and 16 Ω. Be sure to complete all connections before connecting this unit to the AC power source. Bare wire connections Front speaker terminals: 1 2 3 1 Twist exposed wire strands together. 2 Loosen terminal and insert exposed wire. 3 Tighten terminal. 12 mm (1/2 in.) Center and surround speaker terminals: 1 2 3 1 Twist exposed wire strands together. 2 Push open the tabs and insert exposed wire. 3 Release the tabs. 12 mm (1/2 in.) CAUTION • These speaker terminals carry HAZARDOUS LIVE voltage. To prevent the risk of electric shock when connecting or disconnecting the speaker cables, disconnect the power cord before touching any uninsulated parts. • Make sure that all the bare speaker wire is twisted together and inserted fully into the speaker terminal. If any of the bare speaker wire touches the back panel it may cause the power to cut off as a safety measure. Subwoofer LINE LEVEL INPUT Front right Surround right Connecting your equipment Center Front left 2 4 31 Surround left 9