Definitive Technology DEMAND SERIES Manuel utilisateur

Owner’s Manual

D11, D9, D7

DEFINITIVE TECHNOLOGY

WHAT OBSESSION SOUNDS LIKE™

Thank you for choosing the Deﬁnitive Technology Demand Series bookshelf speakers.

The Demand Series offers the most cutting-edge audio technologies, including Balanced

Double Surround System (BDSS) high output mid-bass drivers, a Linear Response

Waveguide™ and annealed aluminum dome tweeters for improved dispersion and

a wider listening sweet spot—all delivering full-range, room-ﬁlling sound and precise

imaging that ﬁt nearly anywhere with their compact, elegant styling. This extraordinary

speaker is truly state-of-the-art in both music and home theater sound reproduction. It's

time to hear and feel a sonic signature unlike any other.

Our engineers have spent many years developing this product. In order to ensure

that you experience the ﬁnest performance possible—one we’ve continued to perfect

since 1990—we encourage you to take a moment to fully read this owner’s manual and

familiarize yourself with the proper installation and set-up procedures for your Demand

Series bookshelf speakers.

D7 D9 D11

SAFETY PRECAUTIONS

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.

CAUTION! The international symbol of a lightning bolt inside of

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 of 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 reduce the risk of electrical shock, do not expose this

equipment to rain or moisture.

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. 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 where applicable.

7. HEAT—Never locate the device near heat sources such as radiators,

ﬂoor registers, stoves or other heat-generating devices.

8. CLEANING—The device should be cleaned in accordance with

manufacturer’s instructions. We recommend using a lint roller or

household duster for the grille cloth—and a clean, dry microﬁber

cloth for the black gloss ﬁnish.

9. DANGEROUS ENTRY—Care should be taken that no foreign

objects or liquids fall or are spilled inside the device.

10. DAMAGE REQUIRING SERVICE—The device should be serviced

by licensed technicians when:

• The plug or power supply cord has been damaged

• Objects have fallen on or liquid has spilled inside 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

11. SERVICE—The device should always be serviced by licensed

technicians. Only replacement parts speciﬁed by the manufacturer

should be used. The use of unauthorized substitutions may result in

ﬁre, shock, or other hazards.

This symbol on our electrical products or their packaging indicates that

it is forbidden in Europe to discard the product in question as domestic

waste. In order to ensure that you dispose of the products correctly,

please dispose of the products according to local laws and regulations

on the disposal of electrical and electronic equipment. In doing so

you are contributing to the retention of natural resources and to the

promotion of environmental protection by the treatment and disposal

of electronic waste.

We're delighted that you're part of our

Denitive Technology family.

Please take a few minutes to register your product* so we have a complete

record of your purchase. Doing so helps us serve you the best we can now

and in the future. It also lets us contact you for any service or warranty alerts (if

required).

No internet? Call Customer Service

M-F 9:30 a.m. - 6 p.m. US ET

at (800) 228-7148 (US & Canada), 01 (410) 363-7148 (all other countries)

Note: the data we gather during online registration is never sold or distributed to third parties.

*Serial number can be found at the back of the manual

STAY VIGILANT ON ALL THINGS DEFINITIVE TECHNOLOGY

@DeﬁnitiveTec @DeﬁnitiveTech @deﬁnitivetech

Unpacking Your Demand Series Speakers

Please unpack your system carefully. We recommend saving all cartons and packing materials in case you move

or need to ship your system. It is important to save this booklet, as it contains the serial number for your product.

You can also ﬁnd the serial number on on rear of the Demand Series speaker on input cup. Each loudspeaker

leaves our factory in perfect condition. Any visible or concealed damage most likely occurred in handling after it

left our factory. If you discover any shipping damage, please report this to your Deﬁnitive Technology dealer or the

company that delivered your loudspeakers.

What’s in the box:

∙ 1 pair of Demand Series speakers with magnetic grilles

∙ Owner’s Manual

Optional Accessories for Your

Demand Series Speakers:

Demand Series ST1 bookshelf speaker stands (sold separately)

For more information, or to purchase, visit www.deﬁnitivetechnology.com

Figure 1 | Demand Series ST1 bookshelf speaker stand(s)

Positioning the Speakers in Your Room

Your Demand Series speakers are very ﬂexible

in terms of positioning. However, you must pay

full attention to their placement—each model

in the series consists of dedicated L/R speakers

and must be set up that way to accurately enjoy

them. To optimize their performance, please

follow these simple guidelines. Although the

following recommendations will usually yield the

best results, all rooms and listening setups are

different, so do not be afraid to experiment with

the speaker placement. Whatever sounds best to

you is likely correct.

We recommend setting up the speakers and

listening position in an equilateral triangle as

illustrated in Figure 2. You will also get good

results if the listeners are a bit farther away. For

example, if line A and C are each 10' long then

line B could be between 7' and 10' wide. Toeing

the speakers in slightly, if possible, toward your

listening area will also provide a stronger center

image. Once you’ve found the right location, feel

free to contact Deﬁnitive Technology or your place

of purchase for additional guidance on speaker

positioning.

≥

(30CM)

≥

(10CM)

≥

(30CM)

L R

+ –

Connecting Your Loudspeakers

Figure 3 | Wiring and Polarity

STRIP 1/4" (6MM) WIRE 1. IDENTIFY MARKINGS ON WIRE AND ASSIGN +/–

2. APPLY BANANA PLUGS OR SPADES AT THIS POINT IF APPLICABLE

1. UNSCREW A SET OF BINDING POST

AND CONNECT WIRE

2. TIGHTEN UNTIL SECURE

ENSURE THAT THE SPEAKER IS ALWAYS

CONNECTED TO THE RECEIVER OR AMPLIFIER +

TO + AND – TO –

+ –

Bi-Wiring & Bi-Amping (D11 and D9 only)

If you decide to bi-wire or bi-amp, you must remove the ﬂat metal jumpers between terminal posts. Failure to do this

could result in damage to your ampliﬁer and loudspeakers.

Bi-wiring, or using separate speaker wire connections for high and low

frequency sections.

Bi-wiring can provide noticeable improvements in the overall

transparency of your loudspeakers by running separate speaker wires

to further enhance its low and high frequencies. After removing the

jumpers, connect one set of speaker wires to the upper binding post

terminals on each speaker and one set of (usually heavier gauge) wires

to the lower binding post terminals. Connect the other ends of both wire

sets to the corresponding ampliﬁer outputs.

Bi-amping, or using separate ampliﬁers for the low and high frequency

sections of your speakers.

Bi-amping allows you to use separate ampliﬁers for the high and low

frequency sections of your loudspeaker for greater dynamic range and

lower distortion. After removing the jumpers, connect the speaker wires

from the high frequency ampliﬁer outputs to the upper set of terminal

posts on each speaker. Follow the same procedure for connecting the

low frequency ampliﬁer outputs to the lower set of terminals. Remember

to maintain correct wiring polarity (+ to +, - to -) in all connections.

Ensure the sensitivity of each ampliﬁer is the same to avoid poor sound

quality.

POWER AMPLIFIER

FRONT

LOW FREQUENCY

AMPLIFIER

HIGH FREQUENCY

AMPLIFIER

+_+_

+_+_L

+_+_

Complete Home Theater System

If you intend to use your Demand Series speakers in a home theater or multi-channel system, we strongly suggest

you use matching Deﬁnitive Technology center channel and rear/surround speakers to complete your home theater

system. Also note that Demand Series speakers can be used as front, rear or side surround speakers with excellent

results for both music and movies.

Technical Assistance

It is our pleasure to offer assistance if you have any questions regarding your Demand Series speakers or their setup.

Please contact your nearest Deﬁnitive Technology dealer or call us directly at (800) 228-7148 (US & Canada), 01 (410)

363-7148 (all other countries) or e-mail info@deﬁnitivetech.com. Technical support is offered in English only.

Service

Service and warranty work on your Deﬁnitive loudspeakers will normally be performed by your local Deﬁnitive

Technology dealer. If, however, you wish to return the speaker to us, please contact us ﬁrst, describing the problem

and requesting authorization as well as the location of the nearest factory service center. Please note that the address

given in this booklet is the address of our ofﬁces only. Under no circumstances should loudspeakers be shipped to our

ofﬁces or returned without contacting us ﬁrst and obtaining return authorization.

Deﬁnitive Technology Ofﬁces

1 Viper Way, Vista, CA 92081 Phone: (800) 228-7148 (US & Canada), 01 (410) 363-7148 (all other countries)

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