Manual Klipsch KL-650-THX (page 4 of 7) (English)

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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 consu

lt your authorized Klipsch dealer for suggestions and further details.

S P E A K E R S T O A M P L I F I E R : K E E P I N G I T S T R A I G H T

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.

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.)

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.

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.

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

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.

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.

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.

To obtain Warranty serv i c e , 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, i t

can be returned, freight paid, to KLIPSCH for repair. Please call KLIPSCH at 1-800-KLIPSCH fo r

i n s t r u c t i o n s . You will need to ship this product in either its original packaging or packaging affo r d i n g

an equal degree of protection.

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 serv i c e .

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.

Figure 4

Figure 5

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Klipsch KL-650-THX Manual

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