MartinLogan Ascent LoudSpeaker Specifications download pdf (Page 20)

20 Frequently Asked Questions

FREQUENTLY ASKED QUESTIONS

How do I clean my speakers?

Just use a dust free cloth or a soft brush to remove the

dust from your speakers. We recommend a specialty cloth

(available through the XStatic shop at www.martinlogan.com)

that cleans your speakers better than anything else we

have ever tried. Do not spray any kind of cleaning

agent on or in close proximity to the electrostatic

element.

What is the advantage of ESL?

Since the polyester film 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 of an 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: a stable amplifier

will be able to deliver twice its rated wattage into 4 Ohms

and should again double 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. 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 speak-

ers plugged in all the time?

No. A pair of MartinLogans will draw about 5 watts

maximum. There is some circuitry to turn off the static

charge when not in use; however, the 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, stick, or

similar item, how extensive would the damage to the

speaker be?

Our research department has literally punctured hundreds

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, as the ultraviolet (UV) rays from the sun

can cause deterioration of grille cloth, speaker cones,

etc. Small exposures to UV will not cause a problem.

In general, the filtering of UV rays through glass will

greatly reduce the negative effects on the electrostatic

membrane itself.

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MartinLogan Ascent LoudSpeaker Specifications Page 20

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