Niles Audio BG525 manual Installing the Speaker, Speaker Phase

Installation of the

Installing the Speaker

If the grille is already installed, remove it by using a bent paper clip or the tip of a corkscrew and pulling it away from the frame (See Figure 13).

1.Separate the speaker wire so that at least two inches of each conductor are free.

a stripe on one wire, a ribbed area of one conductor you can only feel, different col- ors of metal wire on each conductor, or there might be a fabric strand or string wound into one of the conductors. Of course, there are some wires which appear completely identical. Be careful, or you might make a mistake.

Speaker and Grille in New or Existing Construction

2. Strip one half inch of insulation			If you make a mistake, one speaker
from the end of each conductor			will be playing “out-of-phase”
of the speaker wire.			with the other speaker. An
3. If you have gold pin con-			out-of-phase pair of speak-
			ers	work	against each
nectors which you wish to
			other and the sound of the
use, affix them to the
			two	speakers		playing
stripped wire ends now.
			together will be lacking in
4. Connect one stripped	Figure 13		bass	and	be	“phasey”
wire end (or connector) to the			sounding. If you suspect the
black and one to the red terminal.			sound is not right and you cannot
Pay attention to the markings on the		see any markings on the wire, try this
wire. Each speaker must be connected to		simple test:
the amplifier in the same way.		1. Stand half way between the two speakers.
5. Place the speaker baffle in the frame and		2. Play some music with the amplifier or
secure it with the supplied #8 x 3/4”
		radio set to Mono.
screws. If you find that the baffle does not
smoothly fit the frame, slightly loosen the		3. Listen to the richness of the bass and the
mounting screws that hold the frame to the		loudness of the sound.
bracket.		4. Turn off the amplifier and reverse the

6.Carefully fit the grille into its recess so connections on one amplifier channel that it is barely in place. Starting with one only.

corner, go around the speaker, pushing the

grille in a little bit each time. You should

5. Repeat the listening test with the same setting of the volume control. When the

be gentle, the aluminum grille can be easi-

ly bent out of shape. The speaker will have

sound has a richer bass and is slightly louder the speakers are working together

an absolutely flush appearance when it is

fully in place.

or “in-phase”.

Speaker Phase

Speaker wire has two conductors. One conductor is attached to the negative (-) terminals and one conductor is attached to the positive (+) terminals of both your speaker and your amplifier. Usually, the wire is marked for your convenience. There are different ways wires are marked:

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