KL-650-THX
KL-525-THX
KS-525-THX
KW-120-THX
LOUDSPEAKERS
OWNER'S MANUAL
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KW-120-THX will be completely adequate. The companion KA-1000-THX subwoofer amplifier
can drive either one or two subwoofers. In dual-subwoofer systems, it is usually best to place
them right next to each other rather than spaced apart.
Surround Back Loudspeakers
In addition to the left and right surrounds, THX Ultra2 7.1-channel system specifications call
for two forward-radiating surround back loudspeakers behind the listening area, preferably
spaced no more than a few feet apart. These would be KL-650-THX or KL-525-THX LCR’s,
either placed on stands, or ideally mounted on the back wall. Like the left and right
surrounds, they should be slightly above seated ear level – about five to six feet off of the
floor. In some installations, it may be preferable to use KS-525-THX’s for the surround back
channels due to their smaller size. Their WDST design works very well in this application.
You will probably want to space the KS-525-THX surround back pair somewhat farther
apart than you would the LCR’s.
Subwoofers
Two KW-120-THX subwoofers and a KA-1000-THX amplifier are required to meet THX
Ultra2 maximum output requirements. This specification assumes a very large room,
however, and in many installations a single KW-120-THX will be completely adequate.
Although the KW-120-THX will perform well in a wide variety of locations, you will get the
most out of it by following some simple guidelines:
• Although the subwoofer’s orientation is not at all critical, avoid placing the front (driver)
side of the cabinet up against a wall.
• The subwoofer’s output will increase as it is moved closer to walls, with maximum output
when it is placed in a corner. If practical, always place the subwoofer against or near a
wall.
Figure 2
• In most rooms, a subwoofer will deliver smoothest bass response when placed in a
corner away from room openings, such as doors. So if possible, that’s the place to start.
• If you are using more than one subwoofer, you usually will get best performance by
placing them together in the same location rather than by spacing them apart.
Naturally, there are exceptions to the general rules, since no two rooms or systems are
exactly alike. Once you have the subwoofer connected to your system and adjusted at
least roughly (see the KA-1000-THX manual for details), you may want to experiment to
see if you can do better.
Front LCR Loudspeakers
Normally the array would be either all KL-650-THXs or all KL-525-THXs, but the center
speaker can be different from the left and right speakers. (For example, you might combine a
pair of KL-650-THXs for the front left and right with a KL-525-THX for the center.) The cen-
ter-channel speaker should be centered along the width of the TV screen, directly above or
below it or, in the case of an acoustically transparent front-projection screen, behind it. The
left and right speakers should be placed equal distances out from the edges of the TV screen.
Exactly how far out depends on the size of the screen. A reasonable starting point is to place
the left and right speakers so that they and your listening position form an equilateral triangle.
Since the center speaker helps anchor the sound to the screen, it usually is better to have the
left and right speakers spread a little too wide than to have them too close together. The left
and right speakers should be aimed inward towards the listening position as shown in figure
2. In some installations, it may be desirable to wall-mount the front LCR speakers rather than
to put them on stands or in a cabinet. To accommodate this, the KL-650-THX and KL-525-
THX are both configured for use with OmniMount® 60.0 Series wall-and ceiling-mount brack-
ets (See Figure 3). Refer to the OmniMount manual for detailed installation instructions.
CONNECTIONS
Note: Proper connection of your speakers to your amplifier or receiver is vital to obtaining
good sound quality. Please follow these directions carefully. Sloppy connections can cause
amplifier malfunction or damage.
Klipsch THX Ultra2 loudspeakers are internally wired with custom Monster Cable® Z-Series
speaker wire. Its Frequency Specific™ design employs multiple gauges of high-purity cop-
per wire, carefully selected and wound to ensure optimum signal transfer at all frequencies.
You will obtain best performance from your speakers if you connect them to your amplifier
or receiver with Monster Cable or similar high quality wire available from your dealer. (The
KW-120-THX comes with a 20-foot length of Monster THX Ultra-certified 1000 Series
speaker cable terminated in professional-grade Neutrik® NL2 Speakon® connectors that
mate with the jacks on the subwoofer and the companion KA-1000-THX amplifier.) At mini-
mum, we recommend that you use 16-gauge or heavier stranded copper wire. Use lower-
gauge (heavier) wire for long runs to maintain correct frequency response and minimize
power loss.
On the back of each KL-650-THX, KL-525-THX and KS-525-THX speaker are two sets of
binding posts, one feeding the tweeter and the other the woofers. For conventional wiring,
these sets are connected together with gold-plated metal straps, which can be removed for
bi-wiring or biamping. We will explain ordinary single-wiring first and then the alternatives.
All the information regarding single-wiring also applies to bi-wiring.
Figure 3
BUT FIRST: TYPES OF CONNECTORS
Surround Left and Right Loudspeakers
Bare wire. Pull the two conductors apart for about an inch and strip approximately 1/4-inch
of insulation from the end of each. (A wire stripper will simplify this, but you can use an
ordinary pocket knife to cut around and through the insulation down to the wire.) Twist the
strands of wire on each individual conductor tightly together. Loosen the nuts on a pair of
binding posts until the holes through the metal posts are exposed, then insert the bare wire
through the holes. Screw the nuts down finger-tight on the wire. Make sure that no strands
of wire are touching from one binding post to the other or to any strands from the other
conductor. Failure to observe this precaution at either end of the connection can result in
amplifier malfunction or damage.
In a 5.1- or 7.1-channel installation the left and right surround speakers will be KS-525-
THX’s placed to the sides of the listening area, typically on or against the walls. They should
be elevated slightly above seated ear level – five or six feet above the floor is a good target. If
desired, the speakers can be moved back along the wall to as much as 20 degrees behind
the listening position, especially in a 5.1-channel system. The KS-525-THX’s Wide Dispersion
Surround Technology design gives you a great deal more latitude if you need it, delivering
good results in configurations that depart significantly from the ideal. The KS-525-THX has a
keyhole mount for use in hanging the speaker on the wall. To use the keyhole, all you need is
a screw or nail of the appropriate size protruding slightly from the wall. If possible, the nail or
screw should be driven into a wall stud; if not, be sure to use appropriate anchors in the dry-
wall or plaster. Additionally, the KS-525-THX is configured for use with OmniMount® 20.0
Series wall-and ceiling-mount brackets (See Figure 3). Refer to the OmniMount manual for
detailed installation instructions.
Pins. Many pre-made speaker cables are terminated with metal pins. Loosen the nuts on a
pair of binding posts until the holes through the metal posts are exposed, then insert the
pins through the holes. Screw the nuts down finger-tight on the pins — do not overtighten.
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THX ULTRA2 LOUDSPEAKERS
Make sure that there is no metal-to-metal contact between the two pins or binding posts.
Failure to observe this precaution at either end of the connection can result in amplifier
malfunction or damage.
Spade lugs. Some speaker cables are terminated with U-shaped connectors called spade
lugs. Loosen the nuts on a pair of binding posts and slip the spade lugs around the metal
posts. Screw the nuts down finger-tight on the lugs and inspect to ensure they have
remained firmly in place. Make sure that there is no metal-to-metal contact between the
two lugs or binding posts. Failure to observe this precaution at either end of the connection
can result in amplifier malfunction or damage.
Other types of specialty connectors are available to facilitate hooking up your speakers.
Please consult your authorized Klipsch dealer for suggestions and further details.
S PE A K ER S TO AMPLIFIER: K E EP I NG I T S TRA I G HT
One of the most important things about hooking up your speakers is keeping them in the
same polarity, or phase. If they are connected out of phase, bass and sound imaging will be
degraded.
Figure 5
The easiest way to ensure that your speakers are wired in phase is to always connect the
positive and negative output terminals on your amplifier or receiver to the matching input
terminals on your speakers: positive (“+,” color-coded red) to positive and negative
(“–”, color-coded black) to negative. (See Figure 4.)
BASS MANAGEMENT SETTINGS
Surround-sound receivers and processors use what is known as bass management to
ensure that low frequencies in the various channels are sent to speakers that can handle
them well and away from small speakers that cannot. Klipsch THX Ultra2 loudspeakers are
optimized for the THX crossover setting. (Technically, that’s an 80Hz crossover with a
12dB/octave high-pass section feeding the amplifiers for the satellite speakers and a
24dB/octave low-pass section feeding the subwoofer amplifier.) All THX-certified receivers
and processors incorporate this crossover in their bass-management systems. Non-THX
surround-sound components usually have crossovers somewhere from 80 to 100Hz and
with slopes of 12 to 24dB/octave. Although the THX crossover is ideal for Klipsch THX
Ultra2 speakers, these other crossovers will usually give acceptable results. Regardless, all
Klipsch THX Ultra2 LCR and surround loudspeakers should be set to “Small” in your receiver
or processor’s speaker setup menu.
Most pre-made speaker cables have color-coded connectors that make it easy to match
output and inputs correctly. If yours do not, or if you are making your own out of paired,
two-conductor wire, look for identifying marks on the insulation of the two conductors.
Normally there will be printing, a stripe or a molded ridge along one of the conductors.
Bi-wiring - In bi-wiring, separate cables are connected from the amplifier or receiver output
terminals to the speaker input terminals for the tweeter and woofers (See Figure 5.) This
results in lower electrical resistance between the amplifier and speaker than single-wiring
with the same gauge cable. In some cases bi-wiring may be preferable to single-wiring with
lower-gauge cable, which will be thicker and probably less flexible.
CARE AND CLEANING
The only thing you should ever need to do to your speakers is dust them occasionally. Never
apply any abrasive or solvent-based cleaner or any harsh detergent. You can clean the grilles
with the brush attachment of a vacuum cleaner.
WARRANTY – U.S. AND CANADA
The Warranty below is valid only for sales to consumers in the United States or Canada.
KLIPSCH, L.L.C. ("KLIPSCH") warrants this product to be free from defects in materials and
workmanship (subject to the terms set forth below) for a period of five (5) years from the date of
purchase. During the Warranty period, KLIPSCH will repair or replace (at KLIPSCH’s option) this
product or any defective parts (excluding electronics and amplifiers). For products that have
electronics or amplifiers, the Warranty on those parts is for a period of two (2) years from the
date of purchase.
Figure 4
To obtain Warranty service, please contact the KLIPSCH authorized dealer from which you pur-
chased this product. If your dealer is not equipped to perform the repair of your KLIPSCH product, it
can be returned, freight paid, to KLIPSCH for repair. Please call KLIPSCH at 1-800-KLIPSCH for
instructions. You will need to ship this product in either its original packaging or packaging affording
an equal degree of protection.
To bi-wire your THX Ultra2 speakers, loosen the nuts on the binding posts and remove the
metal straps linking the woofer and tweeter terminals. Observing proper polarity, connect
one cable to the tweeter binding posts and another to the woofer binding posts. Run both
cables back to your amplifier or receiver and attach them to the same channel. (Do not, for
example, attach one to an A speaker output and the other to a B speaker output on an
amplifier or receiver with A/B speaker switching.) Amplifiers may be severely damaged if
straps are not removed.
Proof of purchase in the form of a bill of sale or receipted invoice, which is evidence that this
product is within the Warranty period, must be presented or included to obtain Warranty service.
Biamping – In biamplification, the tweeter and woofers are driven by separate amplifiers fed
from the same preamplifier output. We do not recommend biamplifying any of our speakers,
since in general it will produce no benefit that could not be obtained simply by using a
single larger amplifier and may cause severe sound degradation if not done properly. If you
This Warranty is invalid if (a) the factory-applied serial number has been altered or removed from
this product or (b) this product was not purchased from a KLIPSCH authorized dealer.
You may call 1-800-KLIPSCH to confirm that you have an unaltered serial number and/or you
purchased from a KLIPSCH authorized dealer.
do biamplify, use the same model amplifier for the tweeter and woofer sections (to prevent
frequency-response errors caused by different amplifier gains) and be sure to remove the
straps linking the two sets of input terminals on the speaker. Amplifiers may be severely
damaged if straps are not removed.
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This Warranty is only valid for the original purchaser and will automatically terminate prior to
expiration if this product is sold or otherwise transferred to another party.
This Warranty does not cover cosmetic damage or damage due to misuse, abuse, negligence,
acts of God, accident, commercial use or modification of, or to any part of, the product. This
Warranty does not cover damage due to improper operation, maintenance or installation, or
attempted repair by anyone other than KLIPSCH or a KLIPSCH dealer which is authorized to do
KLIPSCH warranty work. Any unauthorized repairs will void this Warranty. This Warranty does not
cover product sold AS IS or WITH ALL FAULTS.
REPAIRS OR REPLACEMENTS AS PROVIDED UNDER THIS WARRANTY ARE THE EXCLUSIVE
REMEDY OF THE CONSUMER. KLIPSCH SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR
CONSEQUENTIAL DAMAGES FOR BREACH OF ANY EXPRESS OR IMPLIED WARRANTY ON THIS
PRODUCT. EXCEPT TO THE EXTENT PROHIBITED BY LAW, THIS WARRANTY IS EXCLUSIVE AND IN
LIEU OF ALL OTHER EXPRESS AND IMPLIED WARRANTIES WHATSOEVER, INCLUDING BUT NOT
LIMITED TO, THE WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PRACTICAL PURPOSE.
Some states do not allow the exclusion or limitation of incidental or consequential damages
or implied warranties so the above exclusions may not apply to you. This Warranty gives you
specific legal rights, and you may have other rights, which vary from state to state.
WARRANTY OUTSIDE THE UNITED STATES AND CANADA
The Warranty on this product if it is sold to a consumer outside of the United States or
Canada shall comply with applicable law and shall be the sole responsibility of the distributor
that supplied this product. To obtain any applicable warranty service, please contact the dealer
from which you purchased this product, or the distributor that supplied this product.
THX and Ultra2 are trademarks or registered trademarks of THX LTD. All rights reserved.
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THX ULTRA2 LOUDSPEAKERS
Cut along dotted line and mail.
For multiple speaker purchases, please fill out only one warranty card.
Name:
Street Address:
City/State/Zip:
Home Phone:
Work Phone:
E-mail Address:
Would you like to receive the latest product updates and news via e-mail?
Product Purchase
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Yes
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No
Model and serial number must be included to honor your warranty card. For multiple speaker
purchases, please fill out only one warranty card.
Model
Model
Model
Model
Model
Model
Serial Number
Serial Number
Serial Number
Serial Number
Serial Number
Serial Number
What store did you purchase your Klipsch products from?
Store Name:
State:
How did you hear about Klipsch?
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Audio/Home Theater Magazine
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Other Magazine
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TV
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Radio
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Newspaper
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Trade Show Friend Retail Dealer
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Direct Mail
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Website
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Web Forum
Have you purchased Klipsch products before?
If yes, what products?
Yes
❑
No
Product Name(s):
When do you hope to purchase additional loudspeakers?
❑
6 mos. – 1 yr.
❑
1–2 yrs.
Very likely
How likely are you to consider Klipsch products for your upcoming purchases?
Doubtful
If doubtful, why?
Please tell us about you!
Married Single
Age: 15-17 18-24
Annual Household Income:
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Somewhat likely
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Don’t carry product I’m looking for
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Too expensive
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Klipsch dealer too far away
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Other
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Student
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Male
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46-55
$25-35,000
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25-35
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36-45
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55-64
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65+
Under $25,000
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$35-50,000
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$75-100,000
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$100,000+
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3502 Woodview Trace, Suite 200
Indianapolis, Indiana 46268
.
.
•
1 800 KLIPSCH
Make sure you return your warranty
card so that we may keep you up-
to-date on new Klipsch products
and promotions. As always, if you
have any questions, contact your
local authorized Klipsch dealer.
For your records:
Model
Serial Number
Date Purchased
Dealer Name
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