Dual Speaker LUR652E User Manual

LUR652E-LUR65EW  
INSTALLATION/OWNER'SꢀMANUAL  
Indoor/Outdoorꢀ2-WayꢀRockꢀSpeaker  
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LUR652E-LUR65EWꢀINSTALLATION  
SoundꢀCoverageꢀandꢀSpeakerꢀPlacement  
The Dual ROCK speaker is sold separately, as many outdoor installations have multiple  
zones. It is assumed for the purpose of this manual that the Rock speakers will be  
installed using a minimum of two speakers. When deciding on the placement of your  
Dual ROCK speakers, allow for a total coverage area of approximately 100 to 450 sq.ft. per  
pair of Rock speakers. This is an estimate based on the ambient noise levels of a typical  
outside patio or yard and your personal listening level. If you are using your speakers in a  
high noise area where your sound coverage requirement is influenced by high automobile  
traffic noise or located in close proximity to a heavily industrialized urban area; or If you  
desire music over a physically large area, it is best to have a larger number of speakers  
playing at low volumes, rather than a few speakers playing at high volumes. Multiple  
pairs of speakers placed in strategic locations within your coverage area can be a  
fundamental solution when designing an outdoor system that requires large coverage.  
Ideally, you should place the speakers as close to the primary listening area and audio  
source as possible. The volume of the speaker decreases rapidly as it is moved further  
from the listener. Keep in mind that wire must be run to the location of the speakers.  
Patios, walls, and other features in your yard may be difficult to get around when wiring  
your speakers, so properly planning your design is important. Measure twice, dig once.  
The grilles are not designed or intended to be removed. Do not remove the grilles from  
your Rock speakers. There are no user serviceable parts behind the grille and removal  
will damage the speaker.  
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LUR652E-LUR65EWꢀCONNECTION  
CONNECTIONSꢀꢀ-ꢀWIREꢀRUNS  
Each Dual ROCK speaker has a two-conductor speaker wire surrounded by a cable  
sleeve exiting the bottom of the speaker. The LUR652E has typical speaker leads in  
this location. The LUR65EW model is designed with 50 feet of environmental rated wire  
already attached. Regardless of the model purchased, any connection to the speaker  
should be of a similar gauge wire (cable) running from the speaker location to your  
audio system.  
Dual does not supply speaker wire or cable accessories separately at this time. If you  
are installing the LUR652E, you may wish to purchase certified direct burial cables  
(environmentally rated speaker wire) and/or a watertight burial box which also works  
well for the purpose of protecting your connection. Burial cable or wire rated for in  
ground installation is available at most hardware stores and home improvements  
outlets.  
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 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 feet  
for the most favorable results. Runs longer then 50' are common, but may require  
additional installation steps. Please ask your Dual dealer or a professional contractor if  
you have questions regarding long wire runs. Dual recommends larger wire of 12 or 14  
gauge for speaker wire runs longer then 50 feet.  
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LUR652E-LUR65EWꢀCONNECTION  
CONNECTIONSꢀꢀ-ꢀPOLARITY  
Caution: Do not attempt to connect the speakers to any source, amplifier or receiver that  
is turned on. Be sure the receiver is off prior to connecting the speakers.  
Parallel or series wiring is commonly acceptable for the Dual ROCK speakers to gain  
correct amplifier loading. Avoid series wiring your Dual speakers with any other speaker  
type or brand.  
In phase installations will take special care to connect the speaker wire runs in phase  
using the correct polarity.  
Polarity - Speaker wires are marked for polarity consistency so that you can determine  
the positive and negative identity of the individual wires within the molded pair insulation.  
Polarity is shown by either a color 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, and the negative (-) terminal  
on the receiver to the negative (-) wire.  
For a typical audio installation, all speakers in a system will be connected with the same  
respective polarity. The speaker connections are located on the bottom of the Dual ROCK  
speaker.  
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.  
Connection Tip: You may also use twist nuts specially designed for outdoor applications.  
These twist nuts have a silicone core inside the nut head and coat the connection once  
attached. These special nuts are not included but are widely available.  
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LUR652E-LUR65EWꢀTROUBLEꢀSHOOTING  
Troubleshooting  
If you hear obvious distortion from the speakers,  
immediately lower the volume level of your receiver. Those  
sounds often indicate that either the receiver or the speaker  
is being over driven, and damage can result in playing your  
source material (music-CDs-DVD-MP3) at high volume  
levels for prolonged periods of time. You should also avoid  
turning the bass or treble controls fully up and using your  
"Loudness button" when the volume level is at or above  
normal listening levels.  
LoudnessꢀButton  
UnnaturalꢀSounds  
The Loudness button on most receivers is designed to add  
depth when your system is being used for background  
music or at very low volume.  
Distorted or unnatural sound can indicate poor connections,  
defective electronics, damaged source material or speaker  
failure. If only one of your speakers has poor sound quality,  
check the speaker wire and audio connections.  
SwappingꢀSpeakerꢀ  
Locations  
That doesn’t fix the problem? Try putting each speaker in  
place of one another (swapping). If the sound remains poor  
on the suspect speaker after swapping location and the  
distortion moves with the speaker to the new location, the  
speaker may be the problem. If the distortion remains in  
the original location then the problem is elsewhere in your  
audio system or speaker wiring. You must have proof of  
purchase to receive warranty service.  
ForꢀYourꢀRecords  
Please keep your original sales receipt and be prepared to  
provide this receipt in the event you require service, as your  
original receipt is considered the best proof of purchase and  
indicates the date you purchased your Dual product.  
Dual Model _______________________________________  
Dealer Name ______________________________________  
Dealer Phone _____________________________________  
Purchase Date____________________  
Note: You may want to keep your original sales receipt or a  
photo copy with this installation/owner’s manual.  
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LUR652E-LUR65EWꢀLIMITEDꢀWARRANTY  
LimitedꢀTwo-YearꢀWarranty  
Whatꢀtoꢀdo?  
IfꢀpurchasedꢀwithinꢀtheꢀUSA:  
1. Before you call for service, check your  
operating instruction booklet. A slight adjustment  
of any custom controls discussed in your  
instruction booklet may save you a service call.  
This warranty gives you specific legal rights. You  
may also have other rights which vary from state  
to state.  
Dual Electronics Corp. warrants this product to  
the original purchaser to be free from defects  
in material and workmanship, under normal  
conditions, for a period of two years from the date of  
the original purchase.  
2. 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 proof of the purchase  
date from the retailer to the Return Center  
address listed below.  
Dual Electronics Corp. agrees, at our option, during  
the warranty period, to repair any defect in material  
or workmanship or to furnish an equal new or  
renewed product in exchange without charges,  
subject to verification of the defect or malfunction  
and proof of the date of purchase.  
3. Please describe your problem in writing and  
include your name, a return UPS shipping  
address (P.O. Box not acceptable), and a daytime  
phone number with your shipment.  
During the Two-Year Warranty Period: For Two  
Years from the date of purchase, your product will  
be replaced with a new, renewed or comparable  
product (whichever is deemed necessary) if it  
becomes defective or inoperative. This is done  
without charge to you. Replacement products are  
warranted for the balance of the original warranty  
period.  
4. DUAL will pay the return shipping charges if  
the product is returned to an address within the  
48 contiguous states.  
Dual Electronics Corp.  
Attn: Returns Center  
21318 64th Ave. South  
Kent, WA 98032 U.S.A.  
Toll Free: 1-866-626-7863  
Whoꢀisꢀcovered? This warranty is extended to the  
original retail purchaser for products purchased and  
used in the U.S.A.  
IfꢀpurchasedꢀoutsideꢀtheꢀUSA:  
Please return the unit to original place of purchase  
for warranty service.  
Whatꢀisꢀcovered? This warranty covers all defects  
in material and workmanship in this product. The  
following are not covered: installation/removal  
costs, damage resulting from accident, misuse,  
abuse, neglect, product modification, improper  
installation, incorrect line voltage, unauthorized  
repair or failure to follow instructions supplied with  
the product, or damage occurring during return  
shipment of the product.  
Exclusion of Certain Damages: This warranty is  
exclusive and in lieu of any and all other warranties,  
expressed or implied, including without limitation  
the implied warranties of merchantability and fitness  
for a particular purpose and any obligation, liability,  
right, claim or remedy in contract or tort, whether or  
not arising from the company’s negligence, actual or  
imputed. No person or representative is authorized  
to assume for the company any other liability in  
connection with the sale of this product. In no event  
shall the company be liable for indirect, incidental or  
consequential damages.  
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Dual Electronics Corp.  
21318 64th Ave. South  
Kent, WA 98032  
Toll Free: 1-866-626-7863  
©2005 Dual Electronics Corp.  
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