Dali Euphonia AS 2 Manuel utilisateur

EUPHONIA

Manual

www.dali.dk

EUPHONIA Series

anish udiophile oudspeaker ndustries

The black boxes

contain head-

words for the

subjects discus-

sed on each

page.

The aim of this

manual is to

ensure that you

have the infor-

mation you

need for setting

up, connecting

and positioning

your Euphonia

speakers.

DALI® is renowned among music lovers throughout the world for its

unique speakers and cables, all constructed and build for uncompro-

mising design and sound requirements. Our ultra-modern factory in

Denmark is fully equipped with facilities for development and produc-

tion of quality speakers.

DALI's principal competence is development and optimisation of known

and new technology in the  eld of audio and acoustics. The result is con-

tinuous development and optimisation of new and existing models.

We always keep our goal  rmly in view for each and every DALI® speaker:

To recreate sound experiences in your home that will carry you away,

making you forget time and place...

It is important to us that your new DALI® speakers be set up and con-

nected optimally. This manual contains our recommendations for setup,

connection and maintenance.

Enjoy!

Euphonia

Unpacking

Running-in

Like any other mechanical system, a speaker needs to be "run in", so you can look

forward to a gradual improvement in sound quality over the initial period. Unlike

other mechanical systems, regular use will in fact extend your loudspeakers life-

time.

Unpacking

After unpacking and setting up the equipment in the most suitable way, the

enclosed spikes should be mounted (MS5, MS4 and AS2). The thread bushings are

embedded in the base. After mounting, tighten the lock nuts to ensure the best

possible mechanical stability.

DALI® recommends the use of spikes for  oor-standing speakers to ensure the

best possible acoustic connection between  oor and speaker.

Positioning

MS5 og MS4

Positioning EUPHONIA MS5/MS4

The ideal location for the speakers is perpendicular to the back wall.

They should be located so that the distance between them is equivalent

to the distance from the speakers to the listening position. Angling the

speakers towards the listening position is not recommended unless the

distance between the speakers is very large.

As the bass re ex system’s ports are located on the rear of the speakers,

the distance between the back wall and the bass re ex ports should be

at least 25 cm/10 inch, preferably more.

DALI® EUPHONIA speakers are able to create fantastic stereo image that

guarantees a unique three-dimensional acoustic experience, even if you

do not position yourself in the optimum listening position, where there

is a zero time displacement in the signal from the two speakers. You will

experience extraordinary sound results with your DALI speakers wher-

ever you position them, but for critical listening we advise you to follow

the guidelines above.

Ultimately, you are the judge. Experiment with the location of the

speakers and you will discover that even small changes in the location

can bring about huge changes in the acoustic image - particularly in the

three-dimensional experience of the sound.

Listening position

Min.10 inch

25 cm

Positioning

RS3

AS2

CS4

Positioning EUPHONIA RS3

The Euphonia RS3 is suspended on the rear or side wall

using the enclosed  ttings, which allow horizontal

and vertical angling of the RS3. It is important to

angle the tweeter module towards the listening

position to ensure the widest possible frequency

range.

Positioning EUPHONIA AS2

Adjustment options make it possible to integrate the AS2 even when it is

located somewhere other than centrally between the two front speakers. The

best location, however, will always be with the AS2 positioned together with

(under) the CS4 central speaker, if this is possible.

Positioning EUPHONIA CS4

Set up the CS4 on the dedicated base and tilt the speaker front towards the

listening position due to the vertically directional treble sound. Wave-lenghts

are very short in the highest frequency range, and a slightly mis-adjusted angle

can reduce the experience of genuine airiness in the reproduction. Maintain a

minimum distance of 10 cm/4 inch to the back wall so that the bass re ex ports

on the rear of the unit function optimally.

24,0

81,2

12,4

How the room affects the sound

Every room has its own distinctive acoustics, which in uence the way we

experience the sound from a speaker. In actual fact, it's a matter of how

the room accommodates the sound and then dampens it. You can in u-

ence the acoustics of your listening room in various ways.

Some of the sound you hear does not come directly from the actual

speakers but are re ections from  oor, ceiling and walls. These re ec-

tions can be dampened by objects such as furniture, plants and carpets.

If the sound is bright, adding soft items such as curtains and carpets can

help. If the room has large window panes, drawing the curtains will pre-

vent re ections from the glass surfaces.

Both the amount and quality of the deep bass depend on the size and

shape of the room, and the position of the speakers. If positioned near

a side or back wall, this will accentuate the bass. A corner location will

accentuate it even more, but will also increase the re ections. The deci-

sion is yours, so experiment with different positions to  nd which pro-

vides the ideal sound for you.

As a general guide, avoid large, hard re ective surfaces immediately

around the speakers, as these will act like an eccho effect and weaken

the spatial perspective of the sound image. Try placing a tapestry behind

the speakers, laying a rug in front or placing a large plant at the side - it's

surprising how much this can affect the precision of the sound image.

How the room

affects the sound

When you are satis ed with the location

of the speaker, it is important to ensure

that the speaker does not tilt or is unstable

in any other way. For the  oor-standing

models, it is very important that they are

mounted with the enclosed spikes. The

rear speaker, RS3, must be hung carefully

using the enclosed  tting, which should

be mounted with materials suitable for

the wall.

Connection

The connection to your ampli er is extremely important for your sound experi-

ence. Before you connect cables or make any changes to the connections, you

must disconnect your ampli er from AC-power.

Always use the same type and length of cable for the left and right speakers. This

class of speaker should be connected with very high quality cables such as DALI®

Wave or Wasatch. Using inferior cables is like putting low cost tyres on a full-

blooded sports car. As an alternative to direct installation in the terminal screws,

the cables can also be connected to the terminals with special plugs such as DALI®

connect to ensure a stable connection and loss-free transfer of the signal.

A detail often overlooked is connection to the correct polarity, i.e. the red termi-

nal (+) on the ampli er must be connected to the red terminal (+) on the speaker,

and the black terminal (-) on the ampli er must be connected to the black termi-

nal (-) on the speaker.

DALI® recommends connection with DALI® connect plugs or spade plugs to ensure

a perfect electrical connection and mechanical stability.

In the following pages, we will describe the special conditions that occur when

connecting with tri-wiring or bi-wiring, and connecting the AS2 subwoofer.

Connection &

Cables

Tri-wiring

Bi-wiring

Tri-wiring / Bi-wiring

Tri-wiring means that the bass, midrange and treble tone ranges are each

fed through their own separate speaker cable. In the ultimate set-up,

there is an ampli er to handle each range (tri-amping). Tri-amping is the

sophisticated consequence of multi-wiring in a multipath speaker, which

allows the maximum bene t of the EUPHONIA MS5. All other EUPHONIA

models are connected by bi-wiring.

Bi-wiring or bi-amping improves the acoustic quality markedly and can be

highly recommended. Bi-wiring provides greater openness in the acous-

tic image and reduces distortion. Bi-amping - when separate ampli ers

are used for the bass/midrange tone and treble ranges - provides even

greater openness in the acoustic image and adds increased dynamics.

For bi-wiring on the MS5, we recommend that the treble and midrange

terminals are combined and the bass terminals are supplied separately.

DALI® EUPHONIA speakers can, of course, be used with single-wiring. In

this case, the enclosed cables should be used with three stripped parts

that are fed down through the terminals, thus connecting the bass, mid-

range and tweeter terminals.

DALI® recommends that EUPHONIA speakers

are connected with bi-wiring as a minimum to

ensure the best possible conditions for acoustic

imaging.

We recommend DALI® Silver Wave

Four speaker cables for bi-wiring.

For tri-wiring, we recommend DALI®

Silver Wave Four for the treble and

midrange tone range, and DALI®

Silver Wave for the bass. This keeps

powerful currents from the bass sig-

nals away from the cables that carry

the treble/midrange tone signals.

Treble

Midrange

Bass

Connecting

EUPHONIA

AS2

Stereo signal

with full

frequency

content

Connecting the AS2 subwoofer

Thanks to its active crossover network and numerous connection options, the

AS2 provides further advantages such as stepless variable phase. The AS2 is con-

nected to a line signal either via 'Left/Right Input', 'Mono Input' or 'LFE Input'. It

is important that the level of the connected line signal is controlled together with

the equipment’s volume control.

Connection to stereo signal with full frequency content

If the subwoofer is connected to a pre-ampli er without a built-in crossover net-

work of the same high quality as the AS2, we recommend that the subwoofer’s

'Left/Right Inputs' are connected to a signal with full frequency content from a

normal pre-ampli er output. The subwoofer’s built-in crossover network takes

care of the necessary  ltering.

Once the subwoofer’s 'Left/Right Inputs'

are connected to a stereo signal with full

frequency content, there is access to a high-

pass  ltered signal (without the deep tones)

on the 'Left/Right Output' sockets. This

signal is connected to the power ampli er

for the main speakers, which thus does not

need to handle the demanding deep tones.

This will always result in the main speakers

playing more cleanly and un-stressed.

Connecting AS2 subwoofer continued

Connection to mono signal with full frequency content

If the subwoofer is only to be connected to a single channel, e.g. when

using two subwoofers in a stereo set-up, and you want to use the sub-

woofer’s built-in crossover network, the 'Mono Input' must be used.

With this set-up, you can take a high-pass signal (without the deep tones)

on the 'Left Output'. Please note that there will be no signal on the 'Right

Output'.

Connection to low pass  ltered mono signal

If the subwoofer is to be used with a surround ampli er or other sound

equipment with a  ltered mono output to a subwoofer, it is best to con-

nect the signal on the 'LFE Input'. With this set-up, neither the crossover

network nor the volume control in the AS2 has any function; there is also

no access to the signal on 'Left/Right Output'. Any adjustment of the

crossover frequency and volume must be made elsewhere in the system.

Only the phase regulation will still be active and should therefore be

adjusted as described in the section on adjustment.

Connecting

EUPHONIA

AS2

Mono signal with

full frequency

content

Low pass  ltered

mono signal

DALI® recommends that great

care is taken when selecting a

connection method. The correct

connection and adjustment is vital

for perfect results. Similarly, the

choice of signal cables is of great

importance.

Principle diagram for connection of the

input sockets inside the ampli er

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