ETI Sound Systems INC Speaker LX 18 User Manual

Owner’s / Instruction Manual  
 
CHOOSING AN AMPLIFIER:  
) It is important to choose an amplifier that matches the power  
rating of the LX-18 (see specifications on back page).  
LX-18 CONNECTION DIAGRAMS  
STEREO CONNECTION  
) When using TWO (2) LX-18 subwoofers in you system you may  
choose an amplifier that delivers up to 750 watts @ 8 ohm  
stereo or an amplifier that delivers up to 1500 watts @ 4 ohm  
bridge (when connecting two LX-18 in parallel). Other combina-  
tions are possible– –consult your authorized dealer or call B-52  
for additional details. See Connection Diagram (right) for details.  
3) Use caution when using large amplifiers. All amplifiers are capa-  
ble of putting out much more power than they rated for. The  
amplifiers rating is specified as undistorted output (low  
THD––total harmonic distortion). Amplifiers are capable of pro-  
ducing much greater power that they are rated for when driven  
into clipping.  
MIXER  
L
R
ELECTRONIC CROSSOVER  
LOW PASS OUTPUTS  
R
L
) Under powering the LX-18 may also damage the subwoofer.  
Using a small amplifier and clipping its high output signal could  
damage the subwoofer. Clipping the amplifier may distort the  
signal and cause over heating of the voice coil.  
L
R
AMPLIFIER  
STEREO OUTPUT  
USING AN ELECTRONIC CROSSOVER  
For optimal performance, it is extremely important that an elec-  
tronic crossover be used in the audio system. An electronic  
crossover will provide a low-pass output allowing the LX-18 to only  
play low frequencies. B-52 recommends setting your low-pass  
crossover filter between 80 to 120 Hz, depending upon the venue  
and sound desired. In case of doubt, set the low-pass crossover to  
100 Hz.  
LX-18  
LX-18  
It is highly recommended to use an electronic crossover with  
24 dB per octave slopes or higher. If your amplifier or electronic  
crossover provides a 30 Hz subsonic filter, make sure this filter is  
turned ON. The subsonic filter will prevent the subwoofer from  
reproducing frequencies below 30 Hz. At high SPL, frequencies  
lower than 30 Hz can damage to the subwoofer.  
BRIDGED CONNECTION  
MIXER  
L
R
CONNECTORS:  
ELECTRONIC CROSSOVER  
The LX-18 includes (2) 1/4” phone jacks  
and one Neutrik NL4 Speakon input ter-  
LOW PASS OUTPUTS  
2
1
minals. All three terminals are internally  
connected in parallel. Each of the three  
connections can be used as an input or  
as an output.  
L or R Out  
AMPLIFIER  
1. Neutrik NL4 Terminal  
2. 1/4” Phone Jacks  
BRIDGED OUTPUT  
(Amp must be stable at 4  
1/4” Phone Jack Wiring  
ohms in the BRIDGE mode)  
LX-18  
LX-18  
NEUTRIK CONNECTOR  
Pin 1 +............Subwoofer + (input or output)  
Pin 1 - ............Subwoofer - (input or output)  
Pin 2 +............Subwoofer + (input or output)  
Pin 2 - ............Subwoofer - (input or output)  
Connecting two LX-18 subwoofers in  
parallel results in a 4 ohm load.  
There are numerous other configurations available.  
Please consult your Authorized B-52 Dealer or  
contact B-52s Customer Service.  
mportant: When connecting a speaker to an amplifier or when connecting two speakers together, it  
important to match the polarity (+/-). Connect positive-to-positive and negative-to negative.  
 
WARRANTY  
Thank you for choosing this B-52 Pro-Audio sound prod-  
uct. B-52 manufactures some of the world’s best sound-  
ing and most reliable professional speaker systems and  
components. E.T.I. Sound Systems, Inc., manufacturers  
of B-52, takes great pride in thoroughly testing each B-52  
product prior to shipment. Please read the warranty  
terms and conditions below and carefully read the pro-  
vided Limited Warranty Card for additional terms and  
conditions.  
SPECIFICATIONS  
Frequency Response:  
Nominal Impedance:  
30-250 Hz  
8 Ohms  
Power Handling - Continuous:  
Peak:  
750 Watts  
1500 Watts  
B-52 CABINETS: E.T.I. Sound Systems, Inc. offers a  
LIFETIME warranty to the original purchaser that B-52  
cabinet’s construction will be free from defects in materi-  
al and workmanship. A dated sales receipt will establish  
coverage under this warranty. The warranty does not  
cover service or parts to repair damage caused by neg-  
lect, abuse, normal wear & tear and cosmetic appear-  
ance of the cabinetry not directly attributed to defects in  
material or workmanship, or service & repair, modifica-  
tions to the cabinet which has not be authorized or  
approved by E.T.I. Sound Systems, Inc. If this product is  
defective in materials or workmanship as warranted  
above, your sole remedy shall be repair or replacement  
as provided above. See provided Limited Warranty card  
for additional terms and conditions.  
Nominal Dispersion:  
SPL (1watt/1meter):  
Peak SPL:  
Omni Directional  
104 dB  
135 dB  
Components:  
(1) B-52 18-200L subwoofer. 4” diameter,  
dual-aluminum former voice. Cast  
aluminum frame. 200-oz magnet  
structure.  
(2) 1/4” Phone Jacks  
(1) Neutrik Speakon NL-4 (4-Pin)  
Connector  
3/4”, void-free plywood cabinet finished  
with impact-forgiving black carpet.  
Metal bar handles, metal corners, rubber  
feet, 4” casters & front-panel heat sink.  
24” x 36” x 24”  
Connections:  
Enclosure:  
Features:  
LOUDSPEAKER AND MID-RANGE COMPONENTS:  
E.T.I. Sound Systems, Inc. warrants the original purchas-  
er that B-52 loudspeakers and/or midrange components  
will be free from defects in material and workmanship for  
a period of (5) FIVE YEARS from the original purchase  
date. A dated sales receipt will establish coverage under  
this warranty. This warranty will automatically terminate  
(5) years after the original retail sales date. This (5) five-  
year warranty does not cover service or parts to repair  
damage caused by accident, disaster, misuse, abuse,  
burnt voice-coils, over-powering, negligence, inadequate  
packing or shipping procedures and service, repair or  
modifications of the component which has not been  
authorized or approved by E.T.I.. This warranty is in lieu  
of all other expressed warranties. If this product is defec-  
tive in materials or workmanship as warranted above,  
your sole remedy shall be repair or replacement as pro-  
vided above.  
Dimensions (W x H x D):  
Weight:  
160 Lbs.  
TECHNICAL SUPPORT  
For technical support, please call 800-344-4384 from 9:00 AM to 4:00 PM (Pacific  
Standard Time). A B-52 representative will be happy to provide you with the assis-  
tance you need.  
INCIDENTAL OR CONSEQUENTIAL DAMAGE: In no  
event E.T.I. Sound Systems, Inc. be liable for any inci-  
dental or consequential damages arising out of the use  
or inability to use of any B-52 product, even if, E.T.I.  
Sound Systems, Inc. or a B-52 dealer has been advised  
of the possibility of such damages, or any other claim by  
any other party. Some States do not allow the exclusion  
or limitation of consequential damages, so the above lim-  
itation and exclusion may not apply to you. This warran-  
ty gives you specific legal rights and you may also have  
other rights that may vary from State to State. See pro-  
vided Limited Warranty card for additional terms and con-  
ditions.  
E.T.I. Sound Systems is dedicated to product excellence and therefore continuously  
attempts to improve each and every model we manufacture. This ongoing process  
includes refinements in design, materials and workmanship, which may result in prod -  
ucts that differ than those described in our literature. All features, specifications, and  
prices are therefore subject to change without notice.  
RETURN PROCEDURES: In the unlikely event that a  
defect should occur, follow the procedure outlined below.  
Defective products must be shipped together with a proof  
of purchase, freight prepaid and insured to the  
Authorized B-52 Dealer from whom you purchased the  
product or directly E.T.I. Sound Systems, Inc. If a product  
must be returned directly to E.T.I. Sound Systems, Inc.  
for warranty replacement/repair, a Return Authorization  
Number (RAN) must be obtained from our Customer  
Service Department prior to shipping the product. You  
may obtain RAN by calling 800-344-4ETI.  
E.T.I. SOUND SYSTEMS, INC.  
3383 Gage Avenue, Huntington Park, CA, 90255  
Phone: 323-277-4100 Fax: 323-277-4108  
National: 1-800-344-4ETI  
FOR YOUR PROTECTION: Please complete and mail  
the Purchase Information Card within (10) ten days of the  
date of purchase so that we may contact you directly in  
the event a safety notification is issued in accordance  
with the 1972 Consumer Product Safety Act. In addition,  
we ask that you complete the brief questionnaire so me  
may analyze your answers and in this way, help us eval-  
uate our customer needs. See provided Limited Warranty  
card for additional terms and conditions.  
PRINTED IN THE U.S.A.  
 

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