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31
How do I clean my speakers?
Use a dust free cloth or a soft brush to remove the dust
from your speakers. We also recommend a specialty cloth
(available at the Xtatic shop at www.martinlogan.com)
that cleans your speakers better than anything else we
have tried. For the wood surfaces it is acceptable to slight-
ly dampen the cloth. Do not spray any kind of cleaning
agent on or in close proximity to the electrostatic element.
Avoid the use of ammonia based products or silicone oil
on the wood parts.
What is the advantage of ESL?
Since the diaphragm is uniformly driven over its entire
surface—unlike a tweeter that is only driven at its edges—
it is the only technology that can be made large enough to
play bass, yet is still light enough for high frequencies. This
unique property allows for the elimination of high fre-
quency crossover points and their associated distortions.
What size amplifier should I use?
We recommend an amplifier with 50 to 1,300 watts per
channel (at 4 Ohms) for most applications. Our hybrid
designs will perform well with either a tube or transistorized
amplifier, and will reveal the sonic character of either type.
However, it is important that the amplifier be stable operat
-
ing into varying impedance loads: an ideally stable amplifier
will typically be able to deliver nearly twice its rated watt
-
age into 4 Ohms and should again increase into 2 Ohms.
Could you suggest a list of suitable electronics and cables
that would be ideal for MartinLogan speakers?
The area of electronics and cable choice is probably
the most common type of question that we receive. It is
also the most subjective. We have repeatedly found that
brands that work well in one setup will drive someone
else nuts in another. We use many brands with great suc-
cess. Again, we have no favorites; we use electronics and
cables quite interchangeably. We would suggest listening
to a number of brands—and above all else— trust your
ears. Dealers are always the best source for information
when purchasing additional audio equipment.
Is there likely to be any interaction between my speakers
and the television in my Audio/Video system?
Actually, there is less interaction between a television and
an electrostatic speaker than between a television and a
conventional system. However, we do recommend that
you keep your speakers at least one foot away from the
television because of the dynamic woofer they employ.
In the case of our center channel speakers, however, they
are fully shielded and can go anywhere.
Will my electric bill go ‘sky high’ by leaving my speakers
plugged in all the time?
No. There is circuitry to turn off the static charge when
not in use; however, actual consumption will remain
close to the same. The primary purpose of the sensing
circuitry is to prevent dust collection on the electrostatic
element.
If the diaphragm is punctured with a pencil or similar
item, how extensive would the damage to the speaker be?
Our research department has literally punctured hun-
dreds of holes in a diaphragm, neither affecting the
quality of the sound nor causing the diaphragm to rip.
However, you will be able to see the actual puncture and
it can be a physical nuisance. If this is the case, replacing
the electrostatic transducer will be the only solution.
Will exposure to sunlight affect the life or performance of
my speakers?
We recommend that you not place any loudspeaker in
direct sunlight. The ultraviolet (UV) rays from the sun
can cause deterioration of grill cloth, speaker cones, etc.
Small exposures to UV will not cause a problem. In gener-
al, the filtering of UV rays through glass will greatly reduce
the negative effects on the electrostatic membrane itself.
Will excessive smoke or dust cause any problems with my
electrostatic speakers?
Exposure to excessive contaminants such as smoke
or dust may potentially affect the performance of the
electrostatic membrane, and may cause discoloration
of the diaphragm membrane. When not in use for
extended periods, you should unplug the speakers and
cover them with the plastic bags in which the speakers
were originally packed. It is a good idea to vacuum the
electrostatic portion of each speaker three or four times a
year. See the vacuuming FAQ.
FREQUENTLY ASKED QUESTIONS
English
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