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the speakers will move in when connected.) If you don't hear anything and your speakers don't move, then the cable is faulty
and should be repaired or replaced.
You can test for an intermittent cable by keeping the battery on the phone plug while swinging the wire like a jump rope. If the
cable is good, the speaker will remain in its battery activated position and not make any noise. This test can be especially
handy after making new cables or repairing old ones, and it can also be used to check speaker phasing.
NOTE: Holding a battery on a phone plug continuously will drain the battery quickly, so don't overdo it. Conversely,
this test will tell you if you have a dead 9 volt battery; if you know the cable is good but the speakers don't move, toss
the battery.)
Before reconnecting your system and turning the amplifier on, make one last check to be sure all of your cables are connect-
ed properly—especially your speaker cables. If a loose speaker cable is plugged in while you're playing, it could cause your
AC or speaker fuse to blow. For this reason we recommended keeping several spare fuses on hand.
"I hear a tinny/hollow/lifeless sound."
"The sound has no 'body' to it."
"It just sounds bad."
This could be because your enclosures are out of phase. Basically, this means that while the speaker cones of one cabinet
are moving out, the cones of the second cabinet are moving in. The net result is that little or no sound is produced. To verify
this situation, you can use a 9 volt battery. Turn off your amplifier and unplug the speaker cable from the amp, leaving the
other end still connected to the enclosure. Touch the plus (+) side of the battery to the tip of the phone plug and the minus (–)
side of the battery to the sleeve of the phone plug. When you do this, the cone(s) in the cabinet should move outward. When
the battery is disconnected, the cone(s) will go back to their original position. Next, repeat the procedure with the second
enclosure; chances are the cone(s) will move in the opposite direction (inward). If this is the case, the speakers are wired out
of phase.
Take your battery and recheck the phasing of both speakers, using your speaker cable. If they check out okay, then your
speaker cable is miswired—that is, plus and minus have been reversed. You will need to purchase a replacement speaker
cable or have the cable rewired.
NOTE: Whenever you replace a speaker or have one replaced, use this test to make sure it has been properly
installed in the enclosure. You should also check all new or repaired cables the same way.
If none of the above suggestions help, it's time to call your friendly SWR Service Department, at (480) 596-9690.
24 • Professional and Custom Pro Specialist Series
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