MartinLogan ElectroMotion® ESL X Manual De Propietario

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This rule suggests that a little reflection is good. 
As a matter of fact, some rooms can be so “over 
damped” with carpeting, drapes and sound 
absorbers that the music system can sound dull and 
lifeless. On the other hand, rooms can be so hard 
that the system can sound like a gymnasium with 
too much reflection and brightness. The point is 
that balance is the optimum environment.
Breakup Objects
O b j e c t s   w i t h   c o m p l e x   s h a p e s ,   s u c h   a s 
bookshelves, cabinetry and multiple shaped walls 
can help break up those sonic gremlins and diffuse 
any dominant frequencies.
DIPOLAR SPEAKERS AND YOUR ROOM
MartinLogan electrostatic loudspeakers are known 
as dipolar radiators. This means that they produce 
sound from both their fronts and their backs. 
Consequently, musical information is reflected by 
the wall behind them and may arrive, either in or 
out of step, with the information produced by the 
front of the speaker.
The low frequencies can either be enhanced or 
nulled by the position from the front wall. Your 
EM-ESL X’s have been designed to be placed two 
to three feet from the front wall (the wall in front 
of the listening position) to obtain the best results; 
however, your room may see things differently. So 
listening to the difference of the bass response as a 
result of the changes in distance from the front wall 
can allow you to get the best combination of depth 
of bass and tonal balance.
Now that you know about reflective surfaces and 
resonant objects, you can see how the midrange  
and high frequencies can be affected. The timing 
of the initial wave as it radiates to your ears, and 
then the reflected information as it arrives at your 
ears later in time, can result in confusion of the 
precious timing information that carries the clues 
to imaging. Consequently the result is blurred 
imaging and excessive brightness. Soft walls, 
curtains, wall hangings, or sound dampeners (your 
dealer can give you good information here) can 
be effective if these negative conditions occur.
SOLID FOOTING
After living and experimenting with your EM-ESL 
X
 speakers, you may want to expose the ETC 
(energy transfer coupler) Spikes (see figure 8). 
With the use of these spikes, the EM-ESL X will 
become more firmly planted on the floor and, 
consequently, bass will tighten and imaging will 
become more coherent and detailed. It is best not 
to use the spikes, however, until you are secure in 
the positioning, as the spikes can damage the floor 
if the speaker is moved. 
Exposing the Spikes
Remove the rubber bumpers to expose the spikes 
(see figure 6). If the speaker does not sit level loosen 
one spike until level is achieved. Caution: Make 
sure your hands and any cabling are clear of the 
spikes. Do not slide speaker as spikes are sharp 
and can damage your floor or carpet. Caution: 
Walking the speaker may result in a broken spike.
Fig. 8