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10
PAINTING THE GRILLE AND FRAME
Each StageFront FX and LCR frame and grille may be painted without the need for
primer. For best results, use a spray gun or airless sprayer, thin the paint to prevent
clogging of the grille holes, and apply several light coats instead of one heavy one.
1. Install loudspeaker into wall.
2. Carefully peel adhesive-covering strips off of paint mask and align over magnets on
loudspeaker baffle. Gently press into place.
3. Paint the frame of the loudspeaker.
4. Paint the grille separately from the loudspeaker frame.
5. Reinstall grille after paint dries on all surfaces and the paint mask has been removed.
CHECKING LOUDSPEAKER PHASE
Loudspeaker wire has two conductors. On both your loudspeaker and amplifier, one
conductor is attached to the negative (–) terminals, while the other is attached to
the positive (+) terminals. Usually, the wire is marked for your convenience, but the
marking can be done in the following different ways:
■ Stripe on one wire
■ Ribbed area you can feel on one conductor
■ Different colors of metal wire on each conductor
■ Fabric strand or string wound into one of the conductors
Of course, there are some wires that appear completely identical. So be careful, or
you might make a connection mistake. If you do, one loudspeaker will be playing
“out-of-phase” with the other loudspeaker. A pair of out-of-phase loudspeakers
works against each other, and the sound of the two playing together will be lacking
in bass and sound “phasey.” If you suspect the sound is not right, and you cannot
see any markings on the wire, try this simple test:
1. Stand halfway between the loudspeakers.
2. Play some music with the amplifier or radio set to Mono.
3. Listen to the richness of the bass and the loudness of the sound.
4. Turn off the amplifier and reverse the connections on one amplifier channel only.
5. Repeat the listening test with the same volume control setting. When the sound has a
richer bass and is slightly louder, the loudspeakers are working together or
“in-phase.”