Niles Audio CORAL RS6 - Manual (Page 13)

1. Point the speakers at each other, rather than at the area you want to cover.
2. Play some music with the amplifier or receiver set to Mono.
3. Stand so you are the same distance from each speaker and listen to the richness
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 controls. If the
current sound has a richer bass and is slightly louder than the previous sound, the
speakers are working together and are “in-phase”. Leave the speakers connected
to the amplifier in this configuration. If the current sound is not richer in bass or
louder than the previous sound, turn off the amplifier and reverse the
connections of the wire you moved in step 4.
Verify System Operation and Loudspeaker Coverage
1. Turn the system “On” and play music to the speakers. Set the Volume controls to
a level that allows the speakers to be easily heard over the “noise” in the area.
2. Verify that music is playing through each speaker. If not, trouble shoot the wiring
and make sure each speaker is electrically connected to the amplifier.
3. If you attached your loudspeakers in a stereo mode, verify that they are
connected to the proper channel of the amplifier. To do this, change the balance
of your speakers on your amplifier or receiver so that one channel is at playing
loudly and the other is not. Verify that the speakers are attached to the proper
channel per the layout of the loudspeakers on the plans. If they are not, correct
the wiring on the loudspeaker that is not connected properly. Reset the balance
on the amplifier or receiver so both channels have a similar volume level.
4. If you used a volume control between the amplifier and the speakers, verify that
it is controlling the volume of the loudspeakers in its zone. Repeat this for every
volume control in the system. If it is not, correct the wiring.
5. Point the loudspeakers per the layout and verify that the sound is even and
consistent throughout the area.
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