Niles OS6 Installation & Operation Manual page 18

3. Stand so you are the same distance from each speaker and listen to the rich-
ness of the bass and the loudness of the sound.
4. Turn off the amplifier and reverse the connections on one speaker only.
5. Repeat the listening test with the same setting of the volume control. When
the sound has a richer bass and is slightly louder the speakers are working
together or "in-phase".
FINAL ADJUSTMENTS
1. After checking that the speaker is in phase and works correctly, angle the
speaker for the best sound.
2. Tighten the bracket knobs using only your hands. Use of any power tools
may over-tighten the knob, and strip the threads of the insert.
3. Check that the entire installation is safe and secure.
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