Definitive Technology C/L/R 2500 Bedienungsanleitung

Congratulations on your purchase of the

Definitive Technology C/L/R 2500 Shielded

Center/Left/Right Audio Video Loudspeaker System.

This revolutionary loudspeaker utilizes state-of-the-

art components (cast-basket homopolymer-coned

bass/midrange drivers, moving coil ferrofluid-cooled

dome high-frequency radiator, long excursion sub-

woofer,infinite power source amplifier,uniphase

crossover networks, etc.), a non-resonant monocoque

cabinet and low-diffraction construction in order to

achieve the most lifelike sound possible in your lis-

tening room for many years to come.

The Definitive Technology C/L/R 2500 is a com-

pact high-definition loudspeaker system designed for

use in audio/video systems of the highest quality.

Because of its low profile, wide range, high power

handling and articulate clarity, it is ideal for use as a

center channel in conjunction with all surround sound

decoding systems, including Dolby ProLogic*, Dolby

Digital AC-3*, and DTS*. In addition, the C/L/R

2500 is ideal for use as an LCR (left, center right

speaker) as well as a rear surround speaker in all sur-

round sound decoding systems, including Dolby Pro

Logic, Dolby Digital AC-3, and DTS, or as the main

speakers in a high quality stereo system.

C/L/R 2500

Center/Left/Right Professional Audio Video Shielded Loudspeaker

with Built-In Powered Subwoofer

Owner's Manual

*Registered Trademark

CAUTION! To reduce the risk of electric shock and fire, do not remove the cover or back plate of

this device. There are no user serviceable parts inside. Please refer all servicing to licensed service

technicians. Avis: Risque de choc electricque, ne pas ouvrir.

CAUTION! The international symbol of a lightning bolt inside a triangle is intended to alert the

user to uninsulated “dangerous voltage” within the device’s enclosure. The international symbol of

an exclamation point inside a triangle is intended to alert the user to the presence of important

operating, maintenance and servicing information in the manual accompanying the device.

CAUTION! To prevent electrical shock, match wide blade of plug to wide slot, fully insert.

Attention: Pour eviter les chocs electriques, introduire la lame la plus large de la fiche dans la

borne correspondante de la prise et pousser jusqu'au fond.

CAUTION! To reduce the risk of electrical shock, do not expose this equipment to rain or mois-

ture.

1. Read Instructions—All safety and operating instructions should be read before operating the device.

2. Retain Instructions—The safety and operating instructions should be retained for future reference.

3. Heed Warnings—All warnings on the device and in the operating instructions should be adhered to.

4. Follow Instructions—All operating and safety instructions should be followed.

5. Water & Moisture—The device should never be used in, on or near water for risk of fatal shock.

6. Carts & Stands—The device should only be used on carts or stands recommended by the manufacturer.

7. Wall & Ceiling Mounting—The device should be mounted on a wall or ceiling only as recommended by

the manufacturer.

8. Ventilation—The device should always be located in such a way that it maintains proper ventilation. It should

never be placed in a built-in installation or anywhere that may impede the flow of air through its heat sink.

9. Heat—Never locate the device near heat sources such as radiators, floor registers, stoves or other heat-gen-

erating devices.

10. Power Supply—The device should only be connected to a power supply of the type described in the oper-

ating instructions or as marked on the device.

11. Power Cord Protection—Power cables should be routed so they are not likely to be stepped on or crushed

by items placed on them or against them. Special attention should be paid to areas where the plug enters a

socket or fused strip and where the cord exits the device.

12. Cleaning—The device should be cleaned in accordance with manufacturer’s instructions.

13. Periods Of Non-Use—The device should be unplugged when not being used for extended periods.

14. Dangerous Entry—Care should be taken that no foreign objects or liquids fall or are spilled inside the

device.

15. Damage Requiring Service—The device should be serviced by licensed technicians when:

•The plug or power supply cord has been damaged.

•Objects have fallen or liquid spilled inside of the device.

•The device has been exposed to moisture.

•The device does not appear to be operating properly or exhibits a marked change in performance.

•The device has been dropped or the cabinet becomes damaged.

16. Service—The device should always be serviced by licensed technicians. Only replacement parts speci-

fied by the manufacturer should be used. The use of unauthorized substitutions may result in fire,

shock, or other hazards.

Safety Precautions

CAUTION

RISK OF ELECTRIC SHOCK

DONOT OPEN

Unpacking Your C/L/R 2500

Please Inspect For Shipping Damage

Each loudspeaker leaves our plant in perfect condition. Any visible or

concealed damage most likely occurred in handling after it left our plant and

should be reported at once to your Definitive dealer or the delivery company

that delivered your loudspeaker.

Please unpack your system carefully. Save

all cartons and packing materials in case you move or need to ship your sys-

tem. Record the serial number found on the back of the C/L/R 2500 in the

appropriate place on your warranty card.

Speaker Break-in

Your C/L/R 2500s should sound good right out of the box; however, an

extended break-in period of 40-60 hours or more of normal playing is required

to reach full performance capability. Break-in allows the suspensions to work

in and results in fuller bass, a more open “blossoming” midrange and

smoother high frequency reproduction.

Rear Panel

Gold Jumper

High

Mid

Low

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

REPLACAE FUSE WITH SAME

TYPE 1.2A 250V



AVIS



NE PAS OUVRIR

UTILISER FUSIBLE DE 

RECHARGE DE MEME TYPE 

1.2A 250V

120V 60HZ

250 WATT

LEVEL

FULL RANGE 

LOW LEVEL IN

Power

Automatic On/Off

BALTIMORE MD USA

CLR - 2500 Center Channel

WITH BUILT-IN POWERED SUBWOOFER

PATENT PENDING

SERIAL NUMBER

RISQUE DE CHOC ELECTRIQUE

1.2A 250V

+ -

HIGH

LEVEL

120 V 60 Hz

High

Mid

Low

LEVEL

FULL RANGE 

LOW LEVEL IN

Power

Automatic On/Off

This section of the rear panel will be

shown on the connection diagrams.

Connecting Each Speaker with One Pair of Speaker Wires Only

When the C/L/R 2500(s) are hooked up using simply one set of speaker

wire per speaker (with no separate low-level input for the subwoofer sec-

tion) a special circuit takes an infinitesimally small signal from the speaker

level input and converts it to a low-level signal which then drives the sub-

woofer power amp.

With all the gold jumpers in place, (see diagram # 1) simply connect any

of the red (+) terminals of the speaker to the red (+) terminal of the center

channel speaker level outputs on your amplifier or receiver, and any of the

black (-) terminals of each speaker to the black (-) terminal of the center

speaker level outputs channel on your amplifier or receiver.It is essential

that all the speakers (center, left, right and rears) be connected in the same

way (in phase) to its own channel of the amplifier. If you experience a great

lack of bass, it is likely that one speaker is out of phase with the other.

Diagram # 1: Connecting C/L/R 2500 with One Pair of Speaker Wires Only

igh

Mid

Low

LEVEL IN

Center Power Amplifier or Receiver

Since in most cases the C/L/R 2500 will be used as a center channel, we

will give hook-up instructions as such. If you use C/L/R 2500s across the

front (or a pair in stereo) simply hook-up each C/L/R 2500 by repeating

similar hook ups for the left and right channel C/L/R 2500s to their appro-

priate channel as for the center.

Connecting Your Loudspeakers

High

Mid

Low

LEVEL

FULL RANGE 

LOW LEVEL IN

Power

Automatic On/Off

Bi- or Tri-Wiring

The concept of bi- or tri-wiring is that higher sonic performance (greater

inner detail, higher definition, increased transparency and improved depth)

is achieved by utilizing two or three sets of wires to connect each loud-

speaker to its respective channel of your amplifier or receiver.

If you choose this method of hook-up, follow these instructions:

For bi-wiring: (See diagram # 2) Remove both the jumpers between the

mid and high terminals on the speaker. Then take care to ensure that both

the red (+) high and red (+) mid terminals of the speaker are connected to

the red (+) terminal of the center channel of your amplifier (each using one

conductor of each of the two sets of wires for the center channel) and that

both the black (-) high and black (-) mid terminals of the your speaker are

connected to the black (-) terminal of the center channel of your amplifier

using the other conductor of each of the two sets of wires for the center

channel. Utilize the same hook-up procedure for the left and right channels

if you are using C/L/R 2500s on these channels.

High

Mid

Low

HIGH LEVEL IN

High

Mid

Low

LEVEL

FULL RANGE 

LOW LEVEL IN

Power

Automatic On/Off

Center

Power Amplifier or Receiver

Diagram # 2: Bi-Wiring

For tri-wiring: (See diagram # 3) Remove all the gold jumpers on the

speaker and wire with separate wires to each of the low, mid and high ter-

minals going to the appropriate + or - terminal of its appropriate channel of

your amplifier. It is critical that all + terminals on each speaker be connect-

ed to only the + terminal of its appropriate channel (center to center) on the

amplifier and all - terminals only get connected to the - terminal of its

appropriate channel on the amplifier. Please note, however, that higher per-

formance will be achieved by running a separate full-range low-level signal

to the subwoofer and bi-wiring as described on the previous page.

Usually if distortion is heard when the speakers are being driven at

loud levels, it is caused by driving (turning up) the amplifier too

loud and not driving the speakers with more power than they can

handle. Remember, most amplifiers put out their full-rated power

well before the volume control is turned all the way up! If your

speakers distort when you play them loud, turn down the amplifier

or get a bigger one.

Diagram # 3: Tri-Wiring

High

Mid

Low

HIGH LEVEL IN

High

Mid

Low

LEVEL

FULL RANGE 

LOW LEVEL IN

Power

Automatic On/Off

Center

Power Amplifier or Receiver

Using the Full-Range Low-Level Input for Driving the Built-

In Powered Subwoofer

Your C/L/R 2500(s) has a separate RCA input jack labeled “Full Range

Low Level In” which may be used to drive the built-in powered subwoofer

directly from your preamp or preamp section of your receiver (if you have

center channel low-level full-range output). This input should be connect-

ed to a full-range center channel output from your pre-amp or decoder

and not from “Subwoofer or LFE Out.” Many experts feel that this

method of hook-up results in the clearest, tightest and deepest bass.

If you do not have two sets of center channel low-level full-range out-

puts, use a Y connector coming out of the center channel pre-out of your

receiver or amp with one half of the Y going to the main center in of your

receiver or amp and the other half going to the low-level input on your

C/L/R 2500. Please note that not all receivers have a low-level full-range

center channel output, so you may not be able to use this hook-up method

with your particular piece of electronics.

Diagram # 4: Using Full Range Low Level Input for Driving Built-In Powered Subwoofer

High

Mid

Low

HIGH LEVEL IN

High

Mid

Low

LEVEL

FULL RANGE 

LOW LEVEL IN

Power

Automatic On/Off

Center

Power Amplifier or Receiver

Y-Connector

Pre-Out Center

Amp-In Center

Pre-Amplifier

High

Mid

Low

LEVEL

FULL RANGE 

LOW LEVEL IN

Power

Automatic On/Off

When you use this low-level input to the subwoofer, it is very important

to disconnect (on the speaker(s)) the gold jumper going between the + (red)

mid and low, and - (black) mid and low 5-way binding posts. (There should

be nothing connected to the 5-way binding posts labeled low.) Hook up your

high (speaker) level signal as you would normally between your center chan-

nel amplifier terminals to the corresponding center speaker + mid terminal

and - mid terminal. Do the same for all your speakers. (See diagram # 4.)

If you wish to bi-wire your speaker(s) (see diagram # 5) as well as use

the low-level inputs (if you want absolutely the ultimate hook-up

method, this is it),simply remove all gold jumpers on the speaker(s) and

run separate sets of speaker cable to the mid and high terminals of the

speaker(s) as described under bi-wiring as well as a separate RCA low-level

cable from the center channel low-level output on your receiver, pre-amp or

decoder into the full-range low-level input, as described previously.

Remember, when using this low-level subwoofer input, there should never

be any wire or jumper connected to either of the 5-way binding posts

labeled “Low” on either speaker.

In order to achieve optimum performance, maintain perfect driver blending and take full

advantage of the benefits of having a built-in subwoofer, it is important, if you are using low-

level “Full Range Inputs” to drive the subwoofer,that you use full range center channel low-

level signals to feed this input, NOT,REPEAT,NOT SUBWOOFER LFE OUTPUT SIGNALS.

Diagram # 5: Bi-Wiring Speakers and Using Low-Level Input

Center

Power Amplifier or Receiver

Y-Connector

Pre-Out Center

Amp-In Center

Pre-Amplifier

High

Mid

Low

HLEVEL IN

Using Your C/L/R 2500(s) in a Dolby Digital AC-3 System

Using your C/L/R 2500 as a Center Channel in a Dolby

Digital System

When using your C/L/R 2500 as a center channel in a Dolby Digital system

simply hook up the C/L/R 2500 to the center channel output of your system as

described in the preceding section. Do not hook up a subwoofer/LFE output to

the low-level input on your C/L/R 2500. The subwoofer in the C/L/R 2500 is

not in most cases designed to be the main dedicated LFE .1 main subwoofer in

aDolby Digital system. It is designed to extend the frequency response and

dynamic range of the center channel speaker. Set the center channel bass man-

agement to “Large” center channel

Using your C/L/R 2500 as Left and Right Main Speakers in

aDolby Digital System

If you are using C/L/R 2500 also as the main left and right speakers in a

Dolby Digital system, set the bass management system for “Large” left and

right main speaker and “No” subwoofer. This will send the .1 discreet bass

subwoofer signal into the left and right main channels and into the sub-

woofers in your left and right channel C/L/R 2500s.

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