MartinLogan 20 User Manual

TM

™

H e l o s 20

u s e r ’ s m a n u a l

M a r t i n L o g a n

the loudspeaker technology company

®

Contents and IntroduCtIon

Contents Introduction

Contents and Introduction . . . . . . . . . . . . . . . . . . .2

Contents

Introduction

Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Painting and Customizing . . . . . . . . . . . . . . . . . . .8

Painting the Speaker Frame
Painting the Speaker Grill
Removing the Logo Badge

Frequently Asked Questions and Troubleshooting . .9

General Information . . . . . . . . . . . . . . . . . . . . . .10

Specifications
Warranty and Registration
Serial Number
Service

Glossary of Audio Terms . . . . . . . . . . . . . . . . . . .11

Content Check List

You will find the following items enclosed for your new
MartinLogan loudspeaker. Should you require assistance
please call our service department at [phone].

____ Installation Template
____ Grill Cover
____ Paint Shield
____ User’s Manual
____ Warranty Registration Card

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 equilateral triangle is

intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in
the literature accompanying the appliance.

Congratulations! You have invested in a new world
of high performance audio!

The MartinLogan Helos 20 represents the culmination of
an intensive, dedicated group research program directed
toward establishing a world class reference monitor uti­lizing leading-edge technology, without compromising
durability, reliability, craftsmanship or aesthetic design.
The materials in your new Helos 20 speaker are of the
highest
ment and

quality and will provide years of enduring enjoy-

deepening respect.

This User’s Manual will explain in detail the operation of
your Helos 20 speaker and the philosophy applied to its
design. A clear understanding of your speaker will insure
that you obtain maximum performance and pleasure from
this most exacting transducer. It has been designed and con­structed to give you years of trouble-free listening enjoyment.

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
product may contain regulated materials which upon
disposal, according to the WEEE directive, require spe­cial reuse and recycling processing.

For this reason MartinLogan 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 [e-mail] or
visit the distributor locator at www.martinlogan.com.

Please note, only this product itself falls under the WEEE
directive. When disposing of packaging and other relat­ed shipping materials we encourage you to recycle these
items through the normal channels.

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 triangle is intend-

ed 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.

2 Contents & Introduction

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.

Figure 1. Stereo mode in a 2-channel system. Figure 2. Stereo mode in a small space.

PlaCement

— Place the Helos 20 at least 12"

(30cm) from any wall.

— When used as a front channel,

place it between 7 to 10 feet (214
to 315cm) from the primary listen­ing position.

— Point the tweeters towards the pri-

mary listening position.

— When using the Helos 20 for dis-

tributed audio place the speakers
symetrically throughout the room.

Figure 3. Stereo mode reproducing both the left
and right surround channels.

Figure 6. Stereo mode reproducing left and right
side and rear surround channels.

Figure 4. Wide dispersion. Mono mode reproduc­ing the rear center surround channel.

Figure 7. Wide dispersion. Mono mode reproduct­ing the left and right side surround channels.

Figure 5. Stereo mode used for distributed audio.

Figure 8. Wide dispersion. Mono mode used for

distibuted audio.

Placement 3

InstallatIon

NOTE: These instructions must be carefully followed to
assure that your Helos 20 is safely installed. Study them
thoroughly before installing your Helos 20.

NOTE: The following instructions assume the mounting
surface is of standard wood frame and standard sheet rock
construction. If you wish to mount the Helos 20 to another
type of material, you should consult a bonded contractor.

Warning! Before installing check
local building codes to verify com­pliance with local regulations.

Warning! Before installing check
for obstructions behind the drywall
(electrical, plumbing and other fix­tures). To do this make a small hole,
cutting at a 45° angle (this will make
the hole easier to patch if obstruc­tions are found). Only cut the

mounting hole after you have
verified there are no obstruc­tions behind the ceiling.

Required tools (not included):

Stud finder
Sharp pencil or pen
Dry wall knife/saw
Wire strippers
Electric drill (with clutch)
2-inch long #2 Phillips Driver bit
Tape measure
Push Pin

Depth required above ceiling surface:

5" (12.7cm)

Required ceiling opening (includes tolerance):

8.35" (21.2cm)

Figure 9. Dimensions of the Helos 20

4 Installation