Definitive Technology DEMAND SERIES Manuale utente

DEMAND™ SERIES

Owner’s Manual

D15 & D17 Tower speakers

WHAT OBSESSION SOUNDS LIKE™

Thank you for choosing the Definitive Technology Demand Series tower speakers. The Definitive

Technology Demand Series high-performance tower speakers deliver full-range, room-filling

sound and precise imaging in a modern, elegant styling. The Demand Series offers the most

cutting-edge audio technologies, including a Balanced Double Surround System (BDSS) high

output mid-bass drivers, a Linear Response Waveguide, dual side-firing bass radiators, carbon

fiber woofers, and annealed aluminum dome tweeters with our 20/20 ware alignment lens and

laterally offset tweeters.

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 tower speakers.

DEFINITIVE TECHNOLOGY

EN-1

D15 D17

EN-2

Safety Instructions

SAFETY PRECAUTIONS

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION:

TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE

COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER

SERVICING TO QUALIFIED SERVICE PERSONNEL.

The lightning flash with arrowhead symbol, within an

equilateral triangle, is intended to alert the user to the

presence of uninsulated “dangerous voltage” within the

product’s enclosure that may be of sufficient magnitude

to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is

intended to alert the user to the presence of important

operating and maintenance (servicing) instructions in the

literature accompanying the appliance.

WARNING:

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT

EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.

IMPORTANT SAFETY INSTRUCTIONS

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean only with dry cloth.

7. Do not block any ventilation openings.

Install in accordance with the manufacturer’s instructions.

8. Do not install near any heat sources such as radiators, heat registers,

stoves, or other apparatus (including amplifiers) that produce heat.

9. Only use attachments/accessories specified by the manufacturer.

10.

Use only with the cart, stand, tripod, bracket, or table

specified by the manufacturer, or sold with the

apparatus. When a cart is used, use caution when

moving the cart/apparatus combination to avoid injury

from tip-over.

11.

Refer all servicing to qualified service personnel.

Servicing is required when the apparatus has been damaged in any

way, such as power supply cord or plug is damaged, liquid has been

spilled or objects have fallen into the apparatus, the apparatus has

been exposed to rain or moisture, does not operate normally, or has

been dropped.

EN-3

NOTES ON USE

WARNINGS

∙Avoid high temperatures.

Allow for sufficient heat dispersion when installed in a rack.

∙Keep the unit free from moisture, water, and dust.

∙Do not obstruct the ventilation holes.

∙Do not let foreign objects into the unit.

∙Do not let insecticides, benzene, and thinner come in contact with the

unit.

∙Never disassemble or modify the unit in any way.

∙Ventilation should not be impeded by covering the ventilation

openings with items, such as newspapers, tablecloths or curtains.

∙Naked flame sources such as lighted candles should not be placed

on the unit.

∙Do not expose the unit to dripping or splashing fluids.

∙Do not place objects filled with liquids, such as vases, on the unit.

A NOTE ABOUT RECYCLING:

This product’s packaging materials are recyclable and can

be reused. Please dispose of any materials in accordance

with the local recycling regulations.

When discarding the unit, comply with local rules or

regulations.

EU Declaration of Conformity

Hereby, [Sound United, LLC] declares that our product is in compliance

with following EU/EC Directives. The full text of the EU declaration of

conformity is available at the following internet address:

RoHS: 2011/65/EU, and amendment directive (EU) 2015/863

Sound United, LLC

1 Viper Way Vista, CA 92081 USA

EU contact : Sound United Europe, A division of D&M Europe B.V.

Beemdstraat 11, 5653 MA Eindhoven, The Netherlands

EU declaration of conformity URL:

https://www.definitivetechnology.com/declarations-of-conformity

EN-4

We're delighted that you're part of our

Definitive 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).

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

@DefinitiveTech @DefinitiveTech @definitivetechnology

EN-5

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.

Your serial number can be found in this booklet and on the speaker itself, on the 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

∙Accessory box

∙Owner’s Manual

∙Aluminum stabilizer base

∙4 x carpet spikes

∙4 x hard floor glide

∙4 x Lock ring

∙4 x Screws

∙Cleaning Cloth

EN-6

Positioning the Speakers in Your Room

Your Demand Series speakers are very flexible in terms

of positioning, however each pair of speakers is designed

with dedicated left and right speakers. Position the pair

so that the tweeters are on the outside, as pictured here.

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. 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, toward

your listening area will also provide a stronger center image.

Feel free to contact Definitive Technology for additional

guidance or questions about speaker placement.

EN-7

5.1 Home Theater Configuration

Five Demand Series speakers will make an

astounding 5.1 home theater. When used as

left and right surrounds, locate the speakers

behind the main listening position. If you use

the towers as left and right rear surrounds,

position them wide apart if possible. (for

instance, if there is a couch in the center of the

rear wall, position the speakers wider apart than

the couch). Definitive Technology also offers a

center channel (Demand D5c) and surround

loudspeakers (Demand D7/9/11), any of which

will blend with your Demand Series front stage.

Note: When using Demand Series as rear speakers position the speakers so that the tweeters are on the outside,

closest to the outside walls.

EN-8

Room Acoustics

Ideally, the speakers should be placed one to two feet from room boundaries, such as large pieces of furniture, walls

and especially corners. Placing a speaker closer to room boundaries increases bass, but may result in a “boomy” or

bass-heavy sound and degradation of stereo imaging. Try varying the speaker’s distance from the rear walls, side

walls, and corners until the best balance between low frequency extension and clarity is achieved. If you cannot get

the speakers at least one foot from the room boundary, treat the adjacent room boundaries with absorbing or diffusing

material to improve performance.

Adding an External Subwoofer to your Demand Series Towers

Although the Demand Series delivers superb low frequency response, some listeners go for the ultimate performance

and add an additional powered subwoofer to their system. If you choose to do so, we strongly suggest using the

Supercube8000 (https://www.definitivetechnology.com/products/supercube-8000) in order to achieve the highest

level of sound quality possible. This should be driven with an RCA low-level cable connected to the subwoofer output

of your receiver or processor. Your receiver's Speaker configuration should be set to "Small" for the front left and

right speakers and select "Yes" for a Subwoofer.

EN-9

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