ETI Sound Systems, INC LX-18EV2 Speaker User Manual
Contents
1. 7 UPGRADES AR e New B 52 18 200X subwoofer e Increased power handling e Higher overall efficiency e New aluminum heatsink front pane yy Ii Owner s Instruction Manual O Compact 18 Folded Horn Subwoofer Features all new compression chamber design LX 18EV2 Owner s Manual Thank you for choosing the B 52 LX 18EV2 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 PRECAUTIONS 1 Location of Subwoofer a Avoid areas with high temperature i e near heater UNNI b Keep speakers out of extended or direct sunlight c The LX 18EV2 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 18EV2 can produce high energy levels When placed on slippery INN 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 18EV2 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 18EV2s are capable of pro ducing sound pressure levels SPL sufficient2. Nominal Impedance 8 Ohms Power Handling 1000 Watts Nominal Dispersion Omni Directional SPL 1watt 1meter 106 dB Peak SPL 136 dB Components 1 B 52 18 200L subwoofer 4 diameter dual aluminum former voice Cast aluminum frame 200 0z magnet structure Connections 2 1 4 Phone Jacks 1 Neutrik Speakon NL 4 4 Pin Connector Enclosure 3 4 void free plywood cabinet finished with impact forgiving black carpet Features Metal bar handles metal corners rubber feet 4 casters amp front panel heat sink Dimensions W x H x D 24 x 36 x 25 Weight 126 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 assistance you need E TI 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 E T SOUND SYSTEMS INC 3383 Gage Avenue Huntington Park CA 90255 Phone 323 277 4100 Fax 323 277 4108 National 1 800 344 4ETI Internet www B 52PRO com E mail info B 52PRO com PRINTED IN THE U S A
3. MIXER L R ELECTRONIC CROSSOVER LOW PASS OUTPUTS Lor R Out AMPLIFIER BRIDGED OUTPUT Amp must be stable at 4 ohms in the BRIDGE mode LX 18EV2 LX 18EV2 Connecting two LX 18EV2 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 52 s Customer Service WARRANTY Thank you for choosing this B 52 Pro Audio sound product B 52 manufactures some of the world s best sounding and most reliable professional speaker systems and components E T l 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 provided Limited Warranty Card for additional terms and conditions B 52 CABINETS E T 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 amp tear and cosmetic appear ance of the cabinetry not directly attributed to defects in material or workmanship or service amp repair modifica tions to the cabinet which has not be authorized or approved by E T I Sound Systems Inc If this product i
4. cable can create a fire hazard put of the system increase the total bass out CHOOSING AN AMPLIFIER 1 It is important to choose an amplifier that matches the power rating of the LX 18EV2 see specifications on back page 2 When using TWO 2 LX 18EV2 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 18EV2 in parallel Other combinations are possible consult your authorized dealer or call B 52 for additional details See Connection Diagram right 3 Use caution when using large amplifiers All amplifiers are capable 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 producing much greater power that they are rated for when driven into clipping 4 Under powering the LX 18EV2 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 USING AN ELECTRONIC CROSSOVER For optimal performance it is extremely important that an electronic crossover be used in the audio system An electronic crossover will provide a low pass output allowing the LX 18EV2 to only play low frequencies B 52 recommends setting your low pass crossover fi
5. 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 in excess of 90 dBA or at a level that causes discomfort 3 Do Not Suspend MAXIMUM BASS The LX 18EV2 is not intended for suspension or hanging Under NO OUTPUT circumstance should you attempt to suspend or hang this subwoofer ane ae ee POWER UP DOWN YOUR SYSTEM E E timenales ee arrayed in groups of two or 1 Your system must be turned completely OFF before connecting or four and placed adjacent disconnecting the LX 18EV2 Connecting or disconnecting the LX 18EV2 to structural surfaces This while the sound system in ON may damage the subwoofer and the audio i i components in your sound system will act to extend the horn 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 wall of the LX 18EV2 and 3 Disconnect the LX 18EV2 prior to moving the sound system or the will enhance low frequency subwoofer output Placing subwoofers adjacent to CABLING CAUTION Use shielded speaker cable with stranded conductors Do not use each other results in a audio cable that is insufficiently rated for the amplifier s maximum coupling effect which will output amperage 16 gauge or larger wire is recommended Longer cable run distances require larger cable Use of inappropriate
6. aim 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 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 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 SPECIFICATIONS Frequency Response 30 160 Hz
7. lter between 80 to 120 Hz depending upon the venue and sound desired In case of doubt set the low pass crossover to 100 Hz 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 CONNECTORS The LX 18EV2 includes 2 1 4 phone jacks and one Neutrik NL4 Speakon input terminals All three terminals are internally connected in parallel Each of the three connections can be used as an input or as an output 1 Neutrik NL4 Terminal ADE IN Sita 2 1 4 Phone Jacks No 1 4 Phone Jack Wiring Nominal Impedance y Frequency Response 30 160 Hz Positive Negative www B 52PR0 cem NEUTRIK CONNECTOR Pi Peirs Subwoofer input or output PIN TS sns Subwoofer input or output Pie 2 Toteis Subwoofer input or output Pin 2 siaii Subwoofer input or output Important When connecting a speaker to an amplifier or when connecting two speakers together it is important to match the polarity Connect positive to positive and negative to negative LX 18EV2 CONNECTION DIAGRAMS STEREO CONNECTION ELECTRONIC CROSSOVER LOW PASS OUTPUTS STEREO OUTPUT LX 18EV2 LX 18EV2 BRIDGED CONNECTION
8. s 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 LOUDSPEAKER AND MID RANGE COMPONENTS E T l 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 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 cl
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