MartinLogan FRESCO Manuel utilisateur

TM FRESCO

user’s manual

MARTIN LOGAN

the loudspeaker technology company

2 Contents & Introduction

CONTENTS &INTRODUCTION

Contents & Introduction . . . . . . . . . . . . . . . . . . . .2

Contents

Introduction

Installation in Brief . . . . . . . . . . . . . . . . . . . . . . . .3

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Signal Connection

On Wall/Off Wall Switch

Break-In

Mounting the Fresco On A Wall or Ceiling . . . . . .5

Which Way Should It Rotate?

Preparing For Vertical Installation . . . . . . . . . . . . . . .6

Preparing For Horizontal Installation

Changing the Direction of Rotation . . . . . . . . . . . . . .7

Installing the Bracket Assembly . . . . . . . . . . . . . . . . .8

Installing the Fresco . . . . . . . . . . . . . . . . . . . . . . . . .9

Home Theater . . . . . . . . . . . . . . . . . . . . . . . . . .13

ATF (Advanced Thin Film) . . . . . . . . . . . . . . . . . .14

Frequently Asked Questions and Troubleshooting .16

General Information . . . . . . . . . . . . . . . . . . . . . .17

Specifications

Warranty and Registration

Service

Glossary of Audio Terms . . . . . . . . . . . . . . . . . . .18

Congratulations! You have invested in a new world of

home cinema!

The MartinLogan Fresco 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 advantages of MartinLogan ATF (advanced thin film)

technology will present themselves to you from the moment

the movie begins. The box effect (a phenomenon similar

to cupping your hand around your mouth when speaking)

produced by dynamic midrange drivers is absent and the

natural openness of the human voice comes through. Sounds

float around the screen clearly defining the area from

where they were created, not the area of the speaker that

created them.

The materials in your new Fresco speaker are of the highest

quality and will provide years of enduring enjoyment and

deepening respect. The cabinetry is constructed from the

highest quality HIPP (high-impact polypropylene) to create

an acoustically inert, high-density enclosure.

This User’s Manual will explain in detail the operation of

your Fresco speaker and the philosophy applied to their

design. A clear understanding of your speakers will insure

that you obtain maximum performance and pleasure from

this most exacting transducer. It has been designed and con-

structed to give you years of trouble-free listening enjoyment.

Contents Introduction

Installation in Brief 3

INSTALLATION IN BRIEF

We know you are eager to hear your new Fresco loud-

speaker, so this section is provided to allow fast and easy

set up. Once you have it operational, please take the time to

read, in depth, the rest of the information in this manual. It

will give you perspective on how to attain the greatest pos-

sible performance from this most exacting transducer.

If you should experience any difficulties in the setup or

operation of your Fresco speaker, please refer to the

Operation or Mounting sections of this manual.

Should you encounter a persistent problem that cannot be

resolved, please contact your authorized MartinLogan dealer.

They will provide you with the appropriate technical analysis

to alleviate the situation.

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.

Step 1: Unpacking

Remove your new Fresco speaker from the packing.

Step 2: Placement

Place the Fresco near the desired location. Please see the

‘Mounting the Fresco On a Wall or Ceiling’ section (page

5–12) for more placement details.

Step 3: Signal Connection

Use the best speaker cables you can. Higher quality cables,

available from your specialty dealer, are recommended

and will give you superior performance. Spade connectors

are suggested for optimum contact and ease of installation.

Attach your speaker cables to the signal input section on

the rear panel. Be consistent when connecting speaker leads

to the terminals on the back of the Fresco. Take great care

to assign the same color to the (+) terminal on both the

speaker and the amplifier. Please see the ‘Operation’ sec-

tion (page 4) for more details.

Step 4: Listen and Enjoy

Now, you may turn on your system and enjoy!

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 mag-

nitude 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.

Use the best speaker cables you can. The length and type

of speaker cable used in your system will have an audible

effect. Under no circumstance should a wire of gauge

higher (thinner) than #16 be used. In general, the longer

the length used, the greater the necessity of a lower

gauge, and the lower the gauge, the better the sound,

with diminishing returns setting in around #8 to #12.

A variety of speaker cables are now available whose

manufacturers claim better performance than standard heavy

gauge wire. We have verified this in many cases, and the

improvements available are often more noticeable than the

differences between wires of different gauge. The effects of

cables may be masked if the equipment is not of the high-

est quality.

We also recommend, if possible, that short runs of speaker

cable connect the power amplifier and speaker and that

high quality long interconnect cables be used to connect

the preamplifier and power amplifier. This results in the

power amplifiers being close to the speakers, which may

be practically or cosmetically difficult, but if the length of

the speaker cables can be reduced to a few meters, sonic

advantages may be obtained.

Connections are done at the signal input section on the

rear electronics panel of the Fresco (see figure 1). Use

spade connectors for optimum contact. Make certain that

all of your connections are tight.

Be consistent when connecting speaker leads to the terminals

on the back of the Fresco. Take great care to assign the

same color to the (+) terminal on both the speaker and

the amplifier.

WARNING! Turn your amplifier off before mak-

ing or breaking any signal connections!

Fresco features a unique 'on-wall/off-wall' switch that tailors

Fresco's acoustic equalization to either installation option.

Simply set this switch to On Wall if the Fresco is mounted to

a wall or ceiling. Set the switch to Off Wall if the Fresco is more

than four inches from a wall (see figure 1).

Break-In

When you first begin to play your Fresco speaker, it will

sound a bit bass shy. This is due to the high-quality, long-

life components used in our woofer. Our custom made

woofers require at least 30 hours of break-in at 90 dB

(moderate listening levels) before any critical listening. The

break-in requirements of the crossover components (and,

to a lesser degree, the ATF transducer) are equal.

Signal Connection On Wall/Off Wall Switch

OPERATION

4 Operation

Figure 1. Single wire connection. One channel shown.

NOTE: MartinLogan recommends using 5 wall anchors to

secure each Fresco to a wall. During the installation, if any

of the screw/wall anchor positions are over a stud, it is

recommended to screw directly into the stud.

NOTE: To assure that your Fresco is safely wall mounted,

these instructions must be carefully followed. Study them

thoroughly before installing your Fresco's.

NOTE: The following instructions assume the mounting

surface is of standard wood frame and standard sheet rock

construction. If you wish to mount the Fresco to another

type of material, you should consult a bonded contractor.

WARNING! Installing the Fresco on a wall requires

only 1 person, but an assistant will be helpful.

The bracket assembly shipped with the Fresco

loudspeaker is designed for use only with the

Fresco. Use with other appliances may result in

instability causing possible injury. To prevent injury,

this apparatus must be securely attached to the

wall in accordance with the installation instructions.

Which Way Should It Rotate?

The bracket assembly supplied with the Fresco allows the

speaker to mount flat against a wall and pivot up to 90°.

Depending on the installation locations, the Fresco on-wall

bracket will need to be modified to allow either right/up or

left/down rotation (see figure 3 and 4). The configuration of

Fresco’s bracket assembly is identical for right and up

rotation and is identical for left and down rotation.

Mounting the Fresco On A Wall or Ceiling 5

MOUNTING THE FRESCO ONA WALL OR CEILING

Figure 3. Vertical Installation. Rotation direction for various installtion locations.

Figure 2. The parts of the Fresco bracket assembly.

Figure 4. Horizontal Installation. Rotation direction for various installation locations.

6 Mounting the Fresco On A Wall or Ceiling

NOTE: Fresco’s bracket assembly consists of two main

parts: the wall bracket (attaches to the wall) and the cabinet

bracket (attaches to the Fresco). When correctly configured

the wall and cabinet brackets should each have one pin

installed—the wall bracket with an upward pointing pin in

the upper hinge, and the cabinet bracket with a downward

pointing pin in the lower hinge (see figures 5 and 6).

NOTE: When correctly installed in a vertical orientation, the

Fresco’s cabinet bracket (installed on the cabinet) should

slide down, onto the wall bracket (installed on the wall).

Each Fresco should be installed so that it can rotate to

point towards your listening position (see figure 3). Hold

each Fresco near it's desired location and try pivoting it to

assure that each speaker is correctly configured.

Preparing for Horizontal Installation

NOTE: Fresco’s bracket assembly consists of two main

parts: the wall bracket (attaches to the wall) and the cabinet

bracket (attaches to the Fresco). When correctly configured

each bracket should have one pin installed—the wall

bracket with a pin installed in the left hinge, pointing to

the left and the cabinet bracket with a pin installed in the

right hinge, pointing to the right (see figures 5 and 6).

NOTE: When the Fresco is correcty installed in a horizontal

orientation, gravity will pull on the speaker trying to rotate

down. The Fresco bracket assembly is designed in such a

way that the force of gravity will tighten the left cap nut and

prevent the speaker from rotating.

Each Fresco should be installed so that it can rotate to

point towards your listening position (see figure 4). Hold

each Fresco near it's desired location and try pivoting it to

assure that each speaker is correctly configured.

Preparing For Vertical Installation

INSTALLATION

Figure 5. Fresco’s bracket assembly configured for right/up rotation

Figure 6. Fresco’s bracket assembly configured for left/down rotation

Horizontal

(Up Rotation)

Vertical

(Right Rotation)

Horizontal

(Down Rotation)

Vertical

(Left Rotation)

Mounting the Fresco On A Wall or Ceiling 7

Changing the Direction of Rotation

Figure 7. Changing the direction of rotation—step 2.

8 Mounting the Fresco On A Wall or Ceiling

Required hardware (included):

(6) M4 screws

Required tools (included):

2.5mm Allen tool

1 Prepare a flat surface with padding and sheets to pro-

tect the speaker as you work on it. Remove the Fresco's

grill cloth and carefully place the Fresco face down on

the work surface, using books or pieces of cardboard

to keep the speaker from rocking.

2 Using a 6mm Allen tool loosen the 2 cap nuts (see fig-

ure 12).

3 Rotate the wall bracket away from the cabinet bracket

(see figure 13).

4 Align the 6 holes in the Fresco's wall mounting bracket

with the holes on the back of the Fresco's cabinet.

Please note that the wall bracket should lie flat against

the Fresco cabinet with the hinges along the flat,

straight edge of the cabinet (see figure 14).

5 Using a 2.5MM Allen tool install the 6 screw that

attach the cabinet bracket and firmly tighten them (see

figure 15).

Installing the Bracket Assembly

Figure 12. Installing the bracket assembly on the Fresco cabinet—step 2.

Figure 13. Installing the bracket assembly on the Fresco cabinet—step 3.

Required hardware (included):

(5) wall anchors

(5) 1" Phillips head wood screws

Required tools (included):

6mm Allen tool

Required tools (not included):

Level

Electric drill and 1

/4" and 1

/8" drill bits

Phillips screwdriver

1 Hold the Fresco at the desired location. Examine the mount-

ing location to assure that the wall is free of obstructions.

Test the direction of rotation to assure that the speaker

can rotate toward your listening position. If the speaker

rotates away from your listening position, please refer to

'Which Direction Should It Rotate?' (page 5) and ‘Changing

the Direction of Rotation’ (page 7).

2NOTE: These instructions describe the position of the

wall bracket with the Fresco mounted flush against a

wall (not rotated on its bracket).

NOTE: The center point of the wall-bracket is not the

same as the center of the Fresco. These directions

describe the location of the center of the wall-bracket,

which you will need to know in order to mount the

speaker at your desired location.

Determine where the center point of the wall bracket

should be marked (see figures 16 and 17).

Will the Fresco remain flat against the wall? If so, it can

be installed flush against an object such as a plasma

screen (see figure18).

Will the Fresco be rotated to point towards the listening

position? If so you need to leave space between the

nearest object to allow clearance for the speaker to pivot

(see figure 18). At least 6.75” (17.2cm) of clearance will

allow the Fresco to pivot within its full range of motion.

Less space is needed if the Fresco does not need to fully

rotate. As recommended ablove, before drilling any

holes, hold the Fresco at its desired location and rotate

it into place to assure you have adequate clearance.

Installing the Fresco

10 Mounting the Fresco On A Wall or Ceiling

NOTE: Figures 19–24 illustrate the Fresco mounted in 4

different configurations.

3 Mark your wall with the center point for the wall bracket

(see figure 19).

4 Using a level, square the wall bracket and hold it flush

against the wall with the wall bracket's center hole over

the point you just marked. The cylindrical hinges on the

wall bracket should point away from the wall and the

flat plane of the wall bracket should be flush against the

wall. Mark 4 points inside of the wall bracket's arc shaped

cut outs located at either end of the wall bracket (see

figure 20).

Figure 19. Attaching the Fresco to a wall or ceiling—step 3. Figure 20. Attaching the Fresco to a wall or ceiling—step 4.

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