MartinLogan Helos 12 Скачать руководство пользователя страница 10

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How do I clean my speakers? 

Just use a dust free 

cloth or a soft brush to remove the dust from your 
speakers. Do not spray any kind of cleaning agent 
on or in close proximity to the drivers.

What size amplifier should I use? 

We rec-

ommend an amplifier rated within the suitable 
amplifier range of your speaker.

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 or cables 
and will be well versed in the subject of special 
safety requirements for in-wall cable.

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 
general, the filtering of UV rays through glass will 
greatly reduce the negative effects.

F

REQUENTLY

 A

SKED

 Q

UESTIONS

No Output

• 

Check that all your system components are 
turned on, not muted, and that your balance 
control (if applicable) is set correctly.

• 

Check to make sure your power outlet at the 
wall is working.

• 

Check your power cords, speaker wires, and 
interconnecting cables.

• 

Check to make sure no headphones are 
plugged in.

• 

Swap speaker wires at your amplifier with 
those of a speaker that is functioning correct-

ly. If the lack of output moves to a different 
speaker the problem could be with other 
equipment in your system (i.e. amp, pre-amp, 
processor, etc.)

• 

Try hooking up a different set of speakers. 
The lack of output could point to a problem 
with other equipment in your system (i.e. 
amp, pre-amp, processor, etc.)

Lack of Bass or Poor Imaging

• 

Check your speaker wires. Is the polarity cor-
rect — (+) to (+) and (–) to (–).

T

ROUBLESHOOTING

MartinLogan customer service is available 
Monday–Friday between the hours of 8am–5pm 
(central time) by calling (785) 749-0133 or by 
emailing [email protected].

C

ONTACTING

 C

USTOMER

 S

ERVICE

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