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25
panels dust free. Humidity will combine with any
dust on the panel to make it slightly conductive.
This will result in a slight pathway for the charge to
leave the membrane of the speaker. The solution
is simple. They only require occasional vacuuming
with a strong vacuum hose.
How do I vacuum my MartinLogan speakers?
Vacuuming will be most effective if the speakers
have been unplugged for six hours to twelve
hours (or overnight). You need not worry about
the vacuum pressure damaging the “delicate”
membrane. It is extraordinarily durable. Dirt and
dust may be vacuumed off. Use an open hose
with your finger tips at the opening acting as a
soft bumper to prevent the hose from scratching the
coating of the panel. When vacuuming or blowing
off your panels do so to both sides, but focus the
majority of your attention on the front of the panels.
Should I unplug my speakers during a thunder-
storm?
Yes, or before. It’s a good idea to disconnect all
of your audio/video components during stormy
weather.
No Output
• Check that all your system components are
turned on.
• Check your speaker wires and connections.
• Check all interconnecting cables.
• Try hooking up a different set of speakers. The
lack of output could point to a problem with
other equipment in your system (amp, pre-amp,
processor, etc.)
Weak or no Output from Electrostatic Panel, Loss
of Highs
• Check the power cord. Is it properly connected
to the speaker and to the wall?
• Is the power cord connected to a switched outlet?
• Dirt and dust may need to be vacuumed off.
Please see the FAQ regarding vacuuming.
• Check the binding posts. Are the dirty? If so
clean them with rubbing alcohol.
• Check the binding posts. Are the loose? Make
sure they are firmly hand-tightened.
• Has a foreign substance (such as a household
cleaning chemical or soap) been applied to the
panel? If so the speaker will require servicing.
Popping and Ticking Sounds, Funny Noises
• These occasional noises are harmless and will
not hurt your audio system or your speakers. All
electrostatic speakers are guilty of making odd
noises at one time or another. It is the result
of airborne contaminates (most notably dust).
Vacuuming is recommended.
• These noises may be caused by dirt and
dust particles collecting on the speaker, by high
humidity.
• Dirt and dust may need to be vacuumed off.
Please see the FAQ regarding vacuuming.
Exaggerated Highs, Brightness
•
Check the toe-in of the speakers. Read the Placement
section of this manual for more information.
Muddy Bass
• Check placement. Try moving the speakers
closer to the front and sidewalls.
• Possibly means low electrostatic panel output.
See ‘Weak Output from Electrostatic Panel, Loss
of Highs’.
trouBlesHootIng
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