LUR66E
INSTALLATION/OWNER'SꢀMANUAL
ꢀ2-WayꢀOutdoorꢀRockꢀSpeaker
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LUR66EꢀINSTALLATION
SoundꢀCoverageꢀandꢀSpeakerꢀPlacement
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. When deciding on the placement, allow for a total coverage
area of approximately 100 to 450 sq.ft. per pair of rock speakers. This estimate is 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 this in mind when planning the wire run to each speaker location.
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 attempt to remove the
grilles from your rock speaker. There are no user serviceable parts behind the grille and
removal will damage the speaker.
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LUR66EꢀCONNECTION
Connections
The LUR66E rock speaker has a two-conductor speaker wire surrounded by a cable
sleeve exiting the bottom of the speaker. Any speaker cable used to extend the
connection should be of a similar size (wire gauge) running from the speaker location to
your audio system.
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 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.
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LUR66EꢀTROUBLESHOOTING
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.
UsingꢀLoudness
The Loudness function on most receivers is designed to
enhance the bass and treble (for background music or
listening at low volume levels).
UnnaturalꢀSounds
Distorted or unnatural sound can indicate poor connections,
defective electronics, poorly recorded 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.
ꢀ
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
RegisterꢀYourꢀProduct
Register your product online at www.dualav.com
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LUR66EꢀWARRANTY
LimitedꢀTwoꢀYearꢀWarranty
This warranty gives you specific legal rights.
You may also have other rights which vary
from state to state.
Whatꢀtoꢀdo?
1. 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.
Dual Electronics Corp. warrants this product to
the original purchaser to be free from defects
in material and workmanship 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 a copy of
the original receipt from the retailer to an
authorized service center.
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, renewed or comparable product
(whichever is deemed necessary) in exchange
without charges, subject to verification of the
defect or malfunction and proof of the date of
purchase. Subsequent replacement products
are warranted for the balance of the original
warranty period.
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.
4. For more information and for the location of
the nearest authorized service center please
contact us by one of the following methods:
Whoꢀisꢀcovered?ꢀThis warranty is extended
to the original retail purchaser for products
purchased and used in the U.S.A.
• Call us toll-free at 1-866-382-5476
• E-mail us at [email protected]
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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LUR66EꢀSPECIFICATIONS
Specifications
FrequencyꢀResponse 70Hz-20kHz
ꢀNominalꢀImpedance 8 ohms
Sensitivity 88dB (2.83 Volts RMS measured @ 1 Meter)
RMSꢀPower 60 Watts @ 1kHz
PeakꢀPower 150 Watts @ 1kHz
Dimensions 9.63” x 8.75” x 8.75”
Design and specifications subject to change without notice.
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Dual Electronics Corp.
Toll Free: 1-866-382-5476
©2009 Dual Electronics Corp. All rights reserved.
NSA0509-V01
Printed in China
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