Onkyo TX-NR525 Owner's Manual page 13

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Speaker Connection Precautions
• You can connect speakers with an impedance of
between 6 and 16 ohms. If you use speakers with a
lower impedance, and use the amplifier at high
volume levels for a long period of time, the built-in
amp protection circuit may be activated.
• 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 AV receiver.
• Make sure the metal core of the wire does not have
contact with the AV receiver's rear panel. Doing so
may damage the AV receiver.
• Don't connect more than one cable to each speaker
terminal. Doing so may damage the AV receiver.
• Don't connect one speaker to several terminals.
En-13
Connections