User manual POLK AUDIO AB555

[. . . ] If you hear distortion--turn the volume down or risk damaging your speakers. You can damage just about any speaker, regardless of power rating, if you drive an amplifier to or beyond the point of distortion. Notify your Polk Audio dealer if you notice any damage or missing items. They will do the best job of protecting your speakers if they need to be transported. [. . . ] You can build your own box, buy a pre-built box or a box kit, or have your Polk Audio dealer design and build a custom sub enclosure for you. Your MM Subwoofers were designed to work well in a wide variety of enclosure sizes and configurations. Make certain it's properly sealed and airtight for maximum bass performance. Polk Audio Customer Service is available from 9am­6pm, EST, Monday through Friday, at 800-377-7655 (US & Can only, outside the US please call 410-358-3600) or email us at polkcs@polkaudio. Com Please do not hesitate to call us if you have questions about your speaker system. 5L) For more information about enclosures and configurations, log on to www. WIRING DIAGRAMS FOR MM840, MM1040, MM1240, MM1540 (Single Voice Coil Hookup) Please make certain that your amplifier is rated to carry the specified load. DUAL VOICE COIL WIRING DIAGRAMS FOR MM840DVC, MM1040DVC, MM1240DVC & MM1540DVC Please make certain that your amplifier is rated to carry the specified load. With coils in parallel, a dual 4 Ohms speaker will present a 2 Ohms load. With speakers wired in parallel: Two 4 Ohm speakers will present a 2 Ohm load. With coils wired in series, a dual 4 Ohms speaker will present an 8 Ohms load. Make certain your electronic equipment is operating correctly by hooking up another speaker to the speaker output. For example, if you are not getting sound from the left channel speaker, connect the right channel speaker to the left output. If you still get no sound from that side, the problem is in your amplifier or source electronics. Polk Audio loudspeakers and subwoofers are capable of playing at extremely high volume levels, which could cause serious or permanent hearing damage. Accepts no liability for hearing loss, bodily injury or property damage resulting from the misuse of its products. Keep these guidelines in mind and always use your own good judgment when controlling volume: · High volume in an automobile can hinder your ability to safely operate a vehicle. ⷠYou are responsible for knowing the local laws governing acceptable mobile volume levels. Product Disposal - Certain international, national and/or local laws and/or regulations may apply regarding the disposal of this product. For further detailed information, please contact the retailer where you purchased this product or the Polk Audio Importer/Distributor in your country. A listing of Polk Audio Importer/ Distributors can be found on the Polk Audio website www. Warrants the original purchaser only that this Polk Audio MM Subwoofers Product (the Product) will be free from defects in materials and workmanship for a period of (1) one year from the date of original retail purchase from a Polk Audio Authorized Dealer. [. . . ] " To allow Polk Audio to offer the best possible warranty service, please fill out the Product Registration Card(s) and send them to the Factory at the address provided in the Registration Card within (10) ten days of the date of purchase. Defective Products must be shipped, together with a proof of purchase, prepaid insured to the Authorized Polk Audio Dealer from whom you purchased the Product, or to 1 Viper Way, Vista, California 92081. Products must be shipped in the original shipping container or its equivalent; in any case the risk of loss or damage in transit is to be borne by you. If, upon exam-ination at the Factory or Polk Audio Authorized Dealer it is determined that the unit was defective in materials or workmanship at any time during the Warranty period, Polk Audio or the Polk Audio Dealer will, at its option, repair or replace this Product at no additional charge, except as set forth below. [. . . ]