User manual DUAL LUR66E

[. . . ] Yard chemicals constitute another element that can prematurely shorten the speaker's life. Fertilizers, weed control sprays and many other chemicals commonly used in the yard can potentially cause damage to the rubber and speaker components. 2 LUR66EINSTALLATION SoundCoverageandSpeakerPlacement The LUR66E is sold separately, as many outdoor installations have multiple zones. It is assumed for the purpose of this manual that the rock speaker will be installed using a minimum of two speakers. [. . . ] The cable or wire can be run either directly beneath the speaker into the ground, or you can use the notch on the bottom edge of the speaker enclosure to exit the cable out the rear for hard surface installations. When attaching the cable to the speaker, it is critical that a high quality connection be achieved. Poor connections will lead to corrosion, possible loss of signal and/or a decline in audio performance. When possible, try to reduce the distance of your speaker from the audio source to achieve the best audio results. The optimum run should be no longer than 50' for the most favorable results. Runs longer then 50' are possible, but may require larger gauge wire. It is recommended to use 14 or 12 gauge for speaker wire runs longer then 50'. Ask your Dual dealer or consult a professional contractor if you have questions regarding long wire runs. Parallel or series wiring is commonly acceptable for the LUR66E rock speaker to gain correct amplifier loading. For best results, avoid series wiring The LUR66E speaker with any other speaker type or brand. The LUR66E speaker wires are marked for polarity for determining the positive and negative identity of the individual wires within the molded pair insulation. Polarity is shown by either a color or stripe on the insulation, by ridges molded into one side of the insulation, the color of the insulation case around the wire, or by the color type or colors of the wires/wire itself (copper or silver). Important: In order to maintain correct polarity, always connect speaker wire using the positive (+) terminal on the receiver to the positive (+) wire on the speaker, and the negative (-) terminal on the receiver to the negative (-) wire on the speaker. For a typical audio installation, all speakers in a system will be connected with the same respective polarity. For best results, crimp or solder the wires together using heat shrink to seal each individual conductor. After the individual conductors are sealed, seal over the pair with another layer of heat shrink. 4 LUR66ETROUBLESHOOTING Distortion If you hear obvious distortion from the speakers, immediately lower the volume level of your receiver. Distortion often indicates the speaker is being over driven, and damage can result by playing at high volume levels for prolonged periods of time. The Loudness function on most receivers is designed to enhance the bass and treble (for background music or listening at low volume levels). [. . . ] Before you call for service, check the troubleshooting guide in your owner's manual. A slight adjustment of any custom controls may save you a service call. If you require service during the warranty period, you must carefully pack the product (preferably in the original package) and ship it by prepaid transportation with a copy of the original receipt from the retailer to an authorized service center. [. . . ]