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WARNING!
• Refer servicing to a qualified
technician.
• To prevent fire or shock hazard,
do not expose this module to moisture.
• Turn amplifier off should any abnormal
conditions occur.
• Do not drive speaker beyond its rated power.
Content Check List ....................... 3
Connection ............................ 4
Protect Your Investment .................. 4
Break-In ............................5
Speaker Placement ....................5
Achieving Superior Imaging ............5
Balancing Hard vs. Soft Surfaces Improves
High- and Mid-Frequency Performance .....5
Choosing a Mounting Location ..........5
Balancing Bass Output................5
Helos 12 Placement ....................5
Helos 22 Placement ....................6
Painting the Speaker Grill ................. 8
Installation ............................. 8
Frequently Asked Questions ..............10
Troubleshooting .......................10
Contacting Customer Service ............10
General Information ....................11
Warranty Information ................11
Serial Number .....................11
Service .........................11
Specifications .........................12
Serial Number:_____________________________
Record your serial number here for easy reference.
You will need this information when filling out your
warranty registration. The serial number is located
near the binding posts and on the product carton.
In accordance with the European Union
WEEE (Waste Electrical and Electronic
Equipment) directive effective August 13,
2005, we would like to notify you that this prod-
uct may contain regulated materials which upon
disposal, according to the WEEE directive, require
special reuse and recycling processing. For this rea-
son Martin Logan has arranged with our distributors
in European Union member nations to collect and
recycle this product at no cost to you.
To find your local distributor please contact the
dealer from whom you purchased this product,
email info@martinlogan.com or visit the distributor
locator at www.martinlogan.com.
Please note, only this product itself falls under
the WEEE directive. When disposing of pack-
aging and other related shipping materials we
encourage you to recycle these items through the
normal channels.
The lightning bolt flash with arrowhead
symbol within an equilateral triangle
is intended to alert the user to the presence
of uninsulated “dangerous voltage” within the
product’s enclosure that may be of sufficient
magnitude to constitute a risk of electric shock.
The exclamation point within an equilat-
eral triangle is intended to alert the user
to the presence of important operating and
maintenance (servicing) instructions in the litera-
ture accompanying the appliance.
The fire within an equilateral triangle is
intended to alert the user to the potential
of creating a fire hazard if they do not follow
the instructions.
The dollar sign within an equilateral tri-
angle is intended to alert the user that
they run the risk of causing damage that could
be potentially expensive to repair if they don’t
follow the instructions.