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23
frequently asked questIons
How do I clean my speakers?
Use a dust free cloth or a soft brush to remove the
dust from your speakers. For the wood surfaces it
is acceptable to slightly 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 EM-ESL X?
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 frequency
crossover points and their associated distortions.
What size amplifier should I use?
We recommend an amplifier with 100 to 200
watts per channel for most applications. Probably
less would be adequate for our smaller hybrids or
when used in home theater where a subwoofer
is employed. 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 operating into varying impedance loads:
an ideally stable amplifier will typically be able to
deliver nearly twice its rated wattage 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 success. 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.
to the electrostatic concept. They were related to
the applications of these concepts.
Today, these limitations have been resolved.
Advancements in materials due to the U.S. space
program give designers the ability to harness the
superiority of the electrostatic principle. Today’s
electrostats use advanced insulation techniques or
provide protection circuitry. The poor dispersion
properties of early models have been addressed
by using delay lines, acoustical lenses, multiple
panel arrays or, as in our own products, by
curving the diaphragm. Power handling and
sensitivity have also been increased.
These developments allow the consumer the
opportunity to own the highest performance
loudspeaker products ever built. It’s too bad Rice
and Kellogg were never able to see just how far
the technology would be taken.
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