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Use shielded speaker cable with stranded conductors. Do not use
audio cable that is insufficiently rated for the amplifier’s maximum
output amperage. 16-gauge or larger wire is recommended. Longer
cable run distances require larger cable. Use of inappropriate cable
can create a fire hazard!
CABLING CAUTION
Thank you for choosing the B-52 LX-18 subwoofer. For best performance and
years of trouble-free operation, please read this Owner’s Manual before use.
Please follow and keep these instructions. Please heed all warnings.
1) Location of Subwoofer:
a. Avoid areas with high temperature (i.e. near heater).
b. Keep speakers out of extended or direct sunlight.
c. The LX-18 is intended for portable use in which the speaker should be
placed on the floor, stage or a solid platform. Do not place on
unstable or non-level surfaces.
d. The LX-18 can produce high-energy levels. When placed on slippery
surfaces, such as polished wood or smooth tiles, the subwoofer may
move because of its intense bass output. Precautions should be
taken to ensure the subwoofer does not fall off a stage or raised surface.
e. If a full-range cabinet is placed on top of the LX-18, it should be
secured to the subwoofer to prevent the speaker from falling off.
2) Hearing damage, prolonged exposure to excessive SPL:
B-52 Pro-Audio speakers, especially the LX-18s, are capable of pro-
ducing sound pressure levels (SPL) sufficient to cause permanent
hearing damage to performers, production crews or people in the
audience! Adequate hearing protection devices are recommended.
Caution should be taken to avoid extended exposure to SPL i n
excess of 90 dBA or at a level that causes discomfort.
3) Do Not Suspend:
The LX-18 is not intended for suspension or hanging. Under NO
circumstance should you attempt to suspend or hang this subwoofer.
PRECAUTIONS:
1) Your system must be turned completely OFF before connecting or discon-
necting the LX-18. Connecting or disconnecting the LX-18 while the sound
system in ON may damage the subwoofer and the audio components in your
sound system.
2) Make sure the gain or level control(s) on the amplifier(s) is turned all the way
down when turning the system on or off!
3) Disconnect the LX-18 prior to moving the sound system or the subwoofer.
POWER UP / DOWN YOUR SYSTEM:
MAXIMUM BASS
OUTPUT
The LX-18 should be
arrayed in groups of two
or four and placed adja -
cent to structural sur -
faces. This will act to
extend the horn wall of
the LX-18 and will en-
hance low-frequency out -
put. Placing subwoofers
adjacent to each other
results in a coupling
effect, which will increase
the total bass output of
the system.
LX-18 Owner’s Manual