Owner’s Manual
DLS On-wall speakers
Flatbox D-One
Audio for Life
The information contained in this manual is subject to
change without prior notice. The most current version of
this manual is available on our official website at:
www.dls.se
Copyright c DLS Svenska AB. All rights reserved
Introduction
Tank you for buying a DLS design speaker system. Please read this manual fully before unpacking
and installing the product. It will help you to optimise the performance of your speakers.
Unpacking and maintenance
Your speaker should be treated with the same care you would treat a piece of furniture. Use only
a piece of soft cloth and a small quantity of warm soapy water to clean the loudspeakers. Avoid
touching the cone of the bass unit or treble dome since this may leave a finger mark or even
damage the dome and spoil its performance. After unpacking, we suggest you retain all packing
material for future transports.
Running-in period
The performance of the speaker will change subtly during the listening period.
Please allow your new speakers to play about 50 hours of music at normal listening level before
doing any critical listening.
Room positioning
The performance of a loudspeaker system in a room varies with placement. Ideal positioning of
the speakers are 2-3 metres apart and preferably at least 0.5 metres away from side walls. The
speakers must be installed hanging on the wall. You will experience the most accurate sound
picture if you listen from a position halfway between the loudspeakers, and 3 to 4 metres away.
Objects in the direct sound path can disturb the coherence of the sound picture. Try out different
positions before deciding on a final arrangement.
Mounting
The Flatbox M-One speakers have a"key-hole" on the back side for hanging the speaker on the
wall. Consider the weight of the speaker so that you use the correct type of bonding material.
Front cloth panel
Flatbox M-One speakers comes with cloth fronts in 7 different colors. The fronts can be easily
removed, just pull outwards, there are small magnets holding the front in place, make sure the
front is fixed in correct position. Choose the color that best matches your room interior.
For best sound performance the front cloth must be mounted.
NOTE!
All Flatbox On-wall speakers must be installed hanging on a wall. The good sound perfomance
of these speakers is obtained only when they are wall mounted.
Marking by the ”CE” symbol indicates compliance of this device with the EMC
(Electromagnetic Compatibility) and LVD (Low Voltage Directive) standards of
the European Community
This product must be returned to the separate collection system for electronic
products. Do not dispose this product together with general household waste.
Connections
Make sure to turn off all amplifiers before connecting your new speaker to your system.
Connect the cable to the terminal. Use the marking of the cable to ensure that the red or ”+” mark
of the amplifier is connected to the ”+” side of the terminal, also marked with red.
We recommend high quality cables. Ask your dealer for the best cable for your needs.
Power handling
DLS recommends using amplifiers within a specific power range. However, the most important
thing is that the amplifier has sufficient power reserves for handling peaks and transients in the
music signal. The power rating figure of a loudspeaker is a very inprecise figure. Since the energy
in the music signal varies, neither peak nor average value is relevant. A power rating of e.g. 100W
RMS says only that you can play a continuous tone of 1kHz at this output. It does not mean that
you can turn the volume all the way up on a 100W amplifier and expect clear sound and healthy
speakers. The greatest danger to a loudspeaker is distorded signal. Distorsion in the low frequency range produces overtones in the entire spectrum, with an energy that can easily damage the
tweeter units. And since a more powerful amplifier can play louder without distorsion, we have the
paradox that it is a greater risk to damage speakers by playing loud with a smaller amplifier.
Caution!
If you hear distortion when you increase the volume this is normally a sign of overloading the
amplifier and you should immediately reduce the output level. Use of loudness, bass or treble
boost increases the risk for harmful distortion in the amplifier. We recommend that you use these
controls with care.
Service
Should your DLS loudspeaker system require service, or if you have difficulty in achieving the
fine performance of which your DLS loudspeaker system is capable, consult your DLS dealer.
Your dealer has the knowledge required to provide expert advice and assistance. In case the
DLS dealer is unable to assist you, you are welcome to contact the DLS Technical Department at:
info@dls.se.
Warranty conditions
This product is covered by warranty, depending on the conditions in the country where it is sold.
If the speaker is returned for service, please include the original dated receipt with the product.
This warranty is valid only in the country of purchase, to the original purchaser and is nontransferable.
DLS loudspeakers are music listening devices and should be used for listening purposes only
They must not be connected to any other equipment than amplifiers within the specified power
range.
DLS cannot be held responsible for damage or injuries caused by improper use, or use in violation
with the recommendations in this leaflet.
Technical data
Please visit our website: www.dls.se
Contact:
DLS Svenska AB
P.O Box 13029
SE-402 51 Göteborg
SWEDEN
Phone: +46 31 840060
Fax: +46 31 844021
e-mail: info@dls.se
www.dls.se
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