MartinLogan ABYSS Manuel utilisateur

tmAb y s stm

user’s manual

Ma r t i n Lo g a n

the loudspeaker technology company

2 Contents

Contents

Contents................................2

InstallationinBrief ........................3

Introduction..............................4

AbouttheControls ........................5

Connections and Control Settings . . . . . . . . . . . . .6

Before Connecting the Abyss

2-Channel Mode

Multi-ChannelMode........................7

2-Channel/Multi-Channel Mode . . . . . . . . . . . . . . . 8

2-Channel Using Speaker Level Inputs . . . . . . . . . . . 9

2-Channel Mode With 2-Channel Output . . . . . . . . 10

Sub Out—Using Multiple Abysss. . . . . . . . . . . . . . . 11

AC Power Connection . . . . . . . . . . . . . . . . . . . . . . 12

Replacing the Fuse

Break-In

Placement..............................13

Listening Position

Ask Your Dealer

Enjoy Yourself

Installing Abyss in a Cabinet. . . . . . . . . . . . . . . . . . 14

RoomAcoustics..........................15

Your Room

Terminology

SolidFooting ............................16

HomeTheater...........................17

Frequently Asked Questions & Troubleshooting. .18

General Information . . . . . . . . . . . . . . . . . . . . . .19

Specifications

Warranty and Registration

Service

Glossary of Audio Terms . . . . . . . . . . . . . . . . . . .20

Notes .................................22

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 spe-

cial reuse and recycling processing.

For this reason MartinLogan has arranged with our dis-

tributors 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 packaging and other relat-

ed shipping materials we encourage you to recycle these

items through the normal channels.

We know that you are eager to hear your new Abyss sub-

woofer, 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

possible performance from this most exacting woofer system.

If you experience any difficulties in setup or operation of

the Abyss, please refer to the Placement, Room Acoustics

and Connections and Control Settings sections.

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!

• Hazardous voltages exist inside—do not

remove cover.

• Refer servicing to a qualified technician.

• To prevent fire or shock hazard, do not

expose this module to moisture.

• Unplug subwoofer should any abnormal

conditions occur.

• Use only with a grounded outlet.

Step 1: Unpacking

Remove your new Abyss subwoofer from its packing.

Step 2: Placement

Ideally, place the Abyss in a corner near the front of the

room. This is a good place to start. Please see the Placement

section (page 13) of this manual for more details.

Step 3: Signal Connection

Use the best cables you can. High quality cables, available

from your specialty dealer, are recommended and will

give you superior performance.

Attach your preamplifier/processor outputs through cables

to the signal input area located on the Abyss’s rear panel.

Please see the Connections and Control Settings section

(pages 6–12) of this manual for more details.

If you plan to connect your Abyss using speaker level (high

level) inputs, please refer to the 2-Channel Mode Using

Speaker Level Inputs section (page 9) of this manual for

more details.

Please note, when Abyss is set up in a down-firing configu-

ration the grill cover can be used to cover the connections

and controls. The grill cover features a channel (on its

bottom side) through which cables can pass.

Step 4: Power Connection (AC) (see warning)

Make sure the level knob is set at 0. Plug the Abyss

subwoofer into a wall outlet. Review the AC Power Connection

section (page 12) of this manual for more details.

Step 5: Setting the Controls

Set the level knob to a medium volume position (12 o'clock).

Set the power switch to ‘Auto’.

Step 6: Listen and Enjoy

Now, you may adjust your system and enjoy!

3Installation in Brief 3

InstallatIon In BrIef

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.

4 Introduction

IntroduCtIon

Congratulations! You have invested in one of the

world's premier subwoofers.

The MartinLogan Abyss represents the extension of an inten-

sive, dedicated team research program directed toward

establishing a world class line of reference subwoofers

using leading-edge technology, without compromising

durability, reliability, craftsmanship or aesthetics.

The Abyss subwoofer uses a 12-inch high-excursion

aluminum element driver to achieve deep, tight, well-

defined bass. A proprietary amplifier is used to drive the

output stage with precision and extremely high efficiency.

Low-pass filtering and phase control have been designed to

make integrating the Abyss subwoofer with MartinLogan

and non-MartinLogan products both seamless and simple.

The materials in your new Abyss subwoofer are of the

highest quality and will provide years of enduring enjoy-

ment and deepening respect. The cabinetry is constructed

from the finest composite material for acoustical integrity

and is finished with an attractive custom coating.

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

your Abyss subwoofer and the philosophy applied to its

design. A clear understanding will insure that you obtain

maximum performance and pleasure from this most exact-

ing subwoofer.

Level Knob

Setting the level too high will cause the bass to seem bloat-

ed and is the single most common cause of bad sounding

subwoofers. A rule of thumb is that the subwoofer should

not draw attention to itself, but should simply make the

systems low end seem more extended and accurate.

Low Pass Filter Knob

When the Abyss is connected in multi-channel mode (via

its LFE input), the low pass filter is not active and your pro-

cessor handles the bass management. When connected

in 2-channel mode (via its speaker or line level left/right

input), the low-pass filter is active.

As a general rule the low pass filter should be set at the

option approximately equal to 70% of your speaker’s lowest

frequency response. Example: The MartinLogan Aeon i’s

lowest frequency response is 43Hz. 70% of 43Hz equals

30.1, so you should set the Abyss’s low pass filter to 30Hz.

Remember, this is a general rule. We advise that once you

try the recommended setting using the formula above, you

should try the surrounding settings to see which sounds best.

Phase Control Switch

The phase control is entirely dependent on the size and

configuration of your listening environment, the placement

of the unit, and your seating arrangement. Due to the way

bass sound waves develop in different rooms, there is no rule

of thumb for setting phase. For instance, if your room has

a peak at the subwoofer crossover area, you may wish to

set the phase so the actual acoustic outputs of the subwoofer

and main speakers are out of phase. Experiment, try dif-

ferent settings and be patient.

Auto/On/Standby Power Switch

The Auto/On/Standby switch controls Abyss’s energy saving

feature. When set to 'Auto', the Abyss will turn on when a

music signal is detected and off when there is none. The

'On' setting prevents the Abyss from entering energy sav-

ing mode. The 'Standby' setting forces the Abyss into energy

saving mode. While set to 'Standby’, the Abyss will not per-

form.

Status Light

The Abyss is equipped with a multi-color LED to indicate

the subwoofers current status. The following list explains the

meaning of the different colors:

No color: No power. The Abyss is not plugged in.

Red: Energy saving mode and safety mode. If the power

switch is set to ‘Auto’ this indicates the Abyss detects no

audio signal and has automatically switched into energy

saving mode. Setting the power switch to ‘Standby’ will

force the Abyss into this mode. This also indicates if the

Abyss’s temperature has exceeded nominal operating

range. The Abyss will resume normal play mode when the

temperature-sensor reports a safe operating temperature.

Green: Play mode. If the power switch is set to ‘Auto’ this

indicates the Abyss detects an audio signal and has automat-

ically switched into play mode. Setting the power switch to

‘On’ will force the Abyss into this mode.

aBout the Controls

About the Controls 5

Figure 1. Abyss controls.

ConneCtIons and Control settIngs

MartinLogan's engineering and design team developed the

Abyss for easy setup and system integration. Before

beginning to connect your Abyss, please review the

controls discussed in the last section. An understanding

of these will help speed you along as you connect and

integrate your Abyss with your system. All signal

connections are done at the signal input section on

the rear connections panel of the Abyss. Make certain that

all of your connections are tight.

WARNING! Turn your Abyss subwoofer to

standby before making or breaking any signal

connections!

2-Channel Mode

This setup is recommended if your Abyss will be used in a

2-channel system with main speakers playing full range.

When a signal is connected to the Abyss’s left/right inputs,

the Abyss’s internal low pass filter is active.

Signal Connection (see figure 2):

1 Connect the left and right outputs of your preamplifier

to the left and right inputs of the Abyss using quality

RCA interconnects. If your preamplifier only has one set

of outputs you may need to obtain Y adapters from your

dealer.

Recommended Control Settings (see figure 3):

Set the low-pass filter switch to the closest option equal

70% of your loudspeakers lowest frequency response.

2 While playing music with bass content, turn the level con-

trol up until the music has deep extended bass, being

careful to avoid levels that become overwhelming.

3 Try the phase control in different settings until the best

blending is obtained. If you are using the Abyss to aug-

ment other MartinLogan products, we suggest you start

with the phase set at 90°.

Before Connecting the Abyss

6 Connections and Control Settings

Figure 2. Signal connection for 2-channel mode.

Figure 3. Control settings for 2-channel mode.

Multi-Channel Mode

This setup is recommended if your Abyss will be used in a

dedicated home theater or multi-channel system. When a

signal is connected to the Abyss’s LFE input, Abyss’s inter-

nal low pass filter is not active. By following this setup, you will

allow your processor to handle most of the bass management.

Signal Connection (see figure 4):

1 Connect the LFE/0.1 subwoofer output of the processor to

the LFE input of the Abyss using a quality RCA interconnect.

WARNING!

Based on the performance of most processors,

it is recommended that MartinLogan center and

effects type speakers (i.e. Cinema i, Theater i and

Script i) not be run in large, wide or full range mode.

Doing so may potentially damage the speaker if

the processor attempts to drive the speaker beyond

its rated frequency range. This warning also

applies to products from other manufacturers.

It is recommended to run center and effects type

speakers in limited or narrow mode.

Some processors have an option to route the 0.1

channel to your main and/or surround speakers.

We recommend that you do not use this option.

Recommended Control Settings (see figure 5):

1 Use the bass management section of your processor‘s

speaker level setup option to set the subwoofer level at

an appropriate level. Follow the instructions in your pro-

cessor manual to fine-tune the subwoofer level.

2 If your processor offers the option to setup crossovers for a

subwoofer, we recommend that you start with the following

settings—Crossover: 70Hz, High-Pass: 12dB, and Low-

Pass: 24dB. The optimal setting for these options may

vary depending on your room and listening preferences.

3 Adjust the phase control until ideal blending is obtained.

If you hear no discernible difference leave the phase at 0°.

4 Follow the instructions in your processor manual to

fine-tune the subwoofer level.

Figure 4. Signal connection for multi-channel mode.

Figure 5. Control settings for multi-channel mode.

Connections and Control Settings 7

Using an A/V processor and the Abyss’s low pass filters.

This setup is recommended if your Abyss will be used in

both 2-channel mode and as a LFE (0.1) channel in a

multi-channel mode. By following this setup, you will

allow your processor to handle most of the bass manage-

ment while running in multi-channel mode, and relinquish

control of the low pass filter to the Abyss when running in

a 2-channel mode.

Signal Connection (see figure 6):

1 Connect the left and right outputs of your preamplifier to

the left and right inputs of the Abyss using quality RCA

interconnects. If your preamplifier only has one set of

outputs you need to obtain Y adapters from your dealer.

2 Connect the LFE/0.1 output of the processor to the LFE

input of the subwoofer using quality RCA interconnects.

Recommended Control Settings (see figure 7):

1 Set your front speakers for wide, large or full mode in your

processor. Set the center and effects type speakers in

limited or narrow mode (see the warning on page 7).

Set the low-pass filter switch to the closest option equal

70% of your loudspeakers lowest frequency response.

3 While playing music with bass content, turn the level control

up until the music has deep bass that is not overwhelming.

4 Try the phase control in different settings until the best

blending is obtained. If you are augmenting MartinLogan

loudspeakers, we suggest you start with the phase set

at 90°.

5 Use the bass management section of your processor’s

speaker level setup option to set the subwoofer level

at an appropriate level. Follow the instructions in your

processor’s manual to fine-tune the subwoofer level.

6 If your processor offers the option to setup crossovers for a

subwoofer, we recommend that you start with the following

settings—Crossover: 70Hz, High-Pass: 12dB, and Low-

Pass: 24dB. The optimal setting for these options may vary

depending on your room and listening preferences.

2-Channel/Multi-Channel Mode

Figure 6. Signal connection for 2-channel/multi-channel mode.

Figure 7. Control Settings for 2-channel/multi-channel mode.

8 Connections and Control Settings

This setup is recommended if your Abyss will be used in a

2-channel only system with full-range front loudspeakers.

When a signal is connected to the Abyss’s Left/Right Inputs,

the Abyss’s internal low pass filter is active.

Signal Connection (see figure 8):

1 Connect the left and right outputs of your amplifier to

the left and right speaker level (high level) inputs of the

Abyss using quality speaker cable.

If your amplifier only has one set of outputs you may

connect your amplifier to your speakers as normal and

run an additional set of cables from your speakers to the

Abyss’s left and right speaker level (high level) inputs.

It is also possible to connect the left and right outputs

of your amplifier to the left and right speaker level (high

level) inputs of the Abyss and run an additional set of

cables from your Abyss to the speakers.

Recommended Control Settings (see figure 9):

Set the low-pass filter switch to the closest option equal

70% of your loudspeakers lowest frequency response.

2 While playing music with bass content, turn the level con-

trol up until the music has deep extended bass, being

careful to avoid levels that become overwhelming.

3 Try the phase control in different settings until the best

blending is obtained. If you are using the Abyss to augment

other MartinLogan products, we suggest you start with the

phase set at 90°.

Figure 9. Control settings for 2-channel mode using speaker level inputs.

2-Channel Mode Using Speaker Level Inputs

Figure 8. Signal connection for 2-channel mode using speaker level inputs.

Connections and Control Settings 9

10 Connections and Control Settings

This setup is recommended if your Abyss will be used in a

2-channel only system.

Signal Connection (see figure 10):

1 Connect the left and right outputs of your preamplifier to

the left and right inputs of the Abyss using quality RCA

interconnects.

2 Connect the left and right outputs of your Abyss to the

left and right inputs of your amplifier using quality RCA

interconnects.

Recommended Control Settings (see figure 3):

1 Set the controls as recommended on page 6.

Figure 10. Signal connection for 2-channel mode with 2-channel output.

2-Channel Mode With 2-Channel Output

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