Onkyo TX-NR3009 Instruction Manual page 16

Using Powered Subwoofers
To find the best position for your subwoofer, while playing a
movie or some music with good bass, experiment by placing
your subwoofer at various positions within the room, and
choose the one that provides the most satisfying results.
You can connect the powered subwoofers with SW1 PRE
OUT and SW2 PRE OUT respectively.
The level and distance can be set individually for each output.
If you're using only one subwoofer, connect it to SW1 PRE
OUT.
Tip
• If your subwoofer is unpowered and you're using an external
amplifier, connect the subwoofer pre out jack to an input on the
amplifier.
Bi-amping the Front Speakers
Important:
• When making the bi-amping connections, be sure to remove
the jumper bars that link the speakers' tweeter (high) and
woofer (low) terminals.
• Bi-amping can be used only with speakers that support bi-
amping. Refer to your speaker manual.
Bi-amping provides improved bass and treble
performance.
When bi-amping is used, the AV receiver is able to drive
up to a 7.2 speaker system in the main room.
Once you've completed the bi-amping connections as
shown and turned on the AV receiver, you must set the
speaker setting to enable bi-amping
Note
• Speakers A and Speakers B can be wired normally or bi-amped,
but cannot be bi-amped at the same time.
En
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(➔ page 51).
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LINE INPUT
LINE INPUT
LINE INPUT
LINE INPUT
Powered subwoofer
1/3 of wall
position
Speakers A
Tweeter (high)
Woofer (low)
Front A right
Speakers B
Tweeter (high)
Woofer (low)
Front B right
Corner
position
Front A left
Front B left