Yamaha DSP-AZ1 - Manual (Page 19)

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SPEAKER PLACEMENT
■ Placing the subwoofers
Place the front subwoofer near the main speakers. Turn it slightly toward the center of the room to reduce wall reflections.
If you use a rear subwoofer, place it behind the main listening position. The placement of the rear subwoofer is not critical because of the
ultra low frequencies of the sound being reproduced.
By adding a high quality subwoofer to the speaker configurations shown on page 14, you can enjoy more powerful and realistic movie
effects, even if your main speakers are large.
Note
• If you use different brands of speakers (with different tonal qualities) in your configuration, the tone of a moving human voice and other
types of sound may not shift smoothly. We recommend that you use speakers from the same manufacturer or speakers with the same tonal
quality.
You can also adjust the output levels and equalization of your effect speakers using the SET MENU (see pages 56 and 57).
If you are using small speakers, the addition of a subwoofer will reinforce the sound effects of movies.
Front subwoofer
Rear subwoofer