Optimus Pro Lx8 Users Manual

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40-4064.fm Page 1 Wednesday, August 11, 1999 9:50 AM

Cat. No.

40-4064

PRO LX8 Bookshelf Speaker
Important: Be sure you remove the
protective packing materials before
using the speaker (see the separate
“Special Precautions” included with
your speaker).

The 8-inch driver is specially designed
to accurately produce all sounds from
50 to 2,200 Hz.
The pliable diaphragm in the 2 × 4inch wide-dispersion tweeter can accurately produce sounds from 2,200 to
25,000 Hz with extraordinarily low distortion. The tweeter’s unique design
means there is virtually no physical
limitation to its high-frequency sound
production.
The speaker cabinet is finished in
black woodgrain vinyl. The black cloth
grilles are acoustically transparent,
and you can remove them for safe and
easy cleaning.
The LX8’s features include:
Acoustic Design — provides broad,
smooth frequency response.

OPTIM
US

Your PRO LX8 Bookshelf Speaker’s
internal elements were exclusively designed to give you amazing music reproduction in a small enclosure. It
produces high sound quality with very
low distortion, and actually delivers
decreasing distortion as the sound
moves to the higher frequency ranges.

360° Wide-Dispersion Tweeter —
reproduces frequencies over 20 kHz
and uses a pliable diaphragm to reduce or eliminate distortion caused by
excess vibration.
High-Compliance Woofer — accurately tracks signals to provide outstanding bass.

© 1997 Tandy Corporation.
All Rights Reserved.
Optimus and RadioShack are registered trademarks used by Tandy Corporation.

40-4064.fm Page 2 Wednesday, August 11, 1999 9:50 AM

SPEAKER PLACEMENT

CONNECTIONS

For the best stereo image, place a pair
of speakers on a bookshelf or table so
the distance between them is about
the same as the distance between the
listening area and the point halfway
between the speakers.

With a pair of speakers placed in their
approximate locations, measure the
distance from each speaker to your receiver/amplifier. Use 18-gauge speaker
wire for distances of 50 feet or less.
Use heavier 16-gauge wire for distances greater than 50 feet.

a
b

a=b

If you must place the speakers farther
apart, turn them slightly inward. If you
must place them closer to each other,
turn them slightly outward. You might
want to experiment with your speakers’ placement to discover the best location for them.

For maximum bass response and the
best overall performance, connect
your speakers so they are in phase
with the receiver/amplifier terminals (+
to + and – to –). You can easily make
the proper connections with marked
speaker wire, available at your local
RadioShack store.
1. Separate the wire’s two conductors at both ends for a length of
about 2 inches.
2 In

ch e

s

1

/2 Inch

2. Strip the insulation from the ends
of each conductor to expose 1/2
inch of metal wire, then twist the
loose wire strands.

2

40-4064.fm Page 3 Wednesday, August 11, 1999 9:50 AM

3. Turn the left speaker’s negative (–)
terminal
counterclockwise
to
loosen it, and insert one of the
unmarked wire ends into the
opening. Then turn the terminal
clockwise to tighten it.

MAINTENANCE
Your Optimus PRO LX8 Bookshelf
Speaker is an example of superior design and craftsmanship. The following
suggestions will help you care for your
speaker so you can enjoy it for years.
• Keep the speaker dry. If it gets
wet, wipe it dry immediately.
• Handle the speaker gently and
carefully.
• Use and store the speaker only in
normal
temperature
environments.

Note: You can also use banana
plugs to make this connection.
4. Turn the left speaker’s positive (+)
terminal
counterclockwise
to
loosen it, and insert the marked
conductor’s wire end into the
opening. Then turn the terminal
clockwise to tighten it.
5. Connect the opposite end of the
left speaker’s unmarked wire to the
receiver/amplifier’s left negative (–)
terminal.
Then connect the opposite end of
the left speaker’s marked wire to
the receiver/amplifier’s positive (+)
terminal
6. Repeat Steps 3–5 to connect the
right speaker.

• Keep the speaker away from dust
and dirt, which can cause premature wear of parts.
• Wipe the speaker with a damp
cloth occasionally to keep it looking new.
Caution: Do not clean the speaker
with a vacuum cleaner. This might
permanently damage it. Clean the
speaker with a feather duster or soft
cloth.
Modifying or tampering with the
speaker’s internal components can
cause a malfunction and might invalidate the speaker’s warranty. If your
speaker is not performing as it should,
take it to your local RadioShack store
for assistance.

3

40-4064.fm Page 4 Wednesday, August 11, 1999 9:50 AM

SPECIFICATIONS
Frequency Response .........................................................................................50-25,000 Hz
Power Handling ............................................................................................. 70 Watts (RMS)
Maximum Power ...................................................................................................... 140 Watts
Impedance ................................................................................................. 8 Ohms (Nominal)
Speaker Complement .......................................... 8-Inch (20.3 cm) High-Compliance Woofer
2 × 4-Inch (5 × 10 cm) Wide-Angle Dipole Tweeter
Enclosure ........................................................................................... Black Wood Grain Vinyl
Dimensions (HWD) ............................. 18 1/4

× 9 13/16 × 12 1/16 Inches (46.3 × 25.0 × 30.6 cm)

Weight ........................................................................................................... 16.8 lbs (7.6 kg)
Specifications are typical; individual units might vary. Specifications are subject to change
and improvement without notice.
Limited Five-Year Warranty
This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal use for five (5) years from the date of purchase from RadioShack company- owned stores and authorized
RadioShack franchisees and dealers. EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS
WARRANTIES AND ANY IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN
LIMITED WARRANTIES CONTAINED HEREIN. EXCEPT AS PROVIDED HEREIN, RadioShack SHALL HAVE
NO LIABILITY OR RESPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE OR PERFORMANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS WARRANTY, INCLUDING, BUT
NOT LIMITED TO, ANY DAMAGES RESULTING FROM INCONVENIENCE, LOSS OF TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Some states do not allow the limitations on how long an implied warranty lasts or the exclusion of incidental or
consequential damages, so the above limitations or exclusions may not apply to you.
In the event of a product defect during the warranty period, take the product and the RadioShack sales receipt as
proof of purchase date to any RadioShack store. RadioShack will, at its option, unless otherwise provided by law:
(a) correct the defect by product repair without charge for parts and labor; (b) replace the product with one of the
same or similar design; or (c) refund the purchase price. All replaced parts and products, and products on which
a refund is made, become the property of RadioShack. New or reconditioned parts and products may be used in
the performance of warranty service. Repaired or replaced parts and products are warranted for the remainder of
the original warranty period. You will be charged for repair or replacement of the product made after the expiration of the warranty period.
This warranty does not cover: (a) damage or failure caused by or attributable to acts of God, abuse, accident,
misuse, improper or abnormal usage, failure to follow instructions, improper installation or maintenance, alteration, lightning or other incidence of excess voltage or current; (b) any repairs other than those provided by a RadioShack Authorized Service Facility; (c) consumables such as fuses or batteries; (d) cosmetic damage; (e)
transportation, shipping or insurance costs; or (f) costs of product removal, installation, set-up service adjustment
or reinstallation.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
RadioShack Customer Relations, Dept. W, 100 Throckmorton St., Suite 600, Fort Worth, TX 76102

We Service What We Sell

3/97

RadioShack
A Division of Tandy Corporation
Fort Worth, Texas 76102
6A7

Printed in Malaysia



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