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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