Alesis ACTIVE M1 Technical document

Bi-Amplified Studio Reference Monitor

Quick Start Owner’s Manual

Manual de inicio rápido para el usuario

Manuel d’utilisation du propriétaire

Kurzbedienungsanleitung

Manuale rapido di utilizzo

CONTENIDO DE LA CAJA

•DOS MONITORES M1ACTIVE 520 Ó 620

•DOS CABLES DE ALIMENTACIÓN

•ESTA GUÍA DE INICIO RÁPIDO

•INSTRUCCIONES IMPORTANTES DE SEGURIDAD

INHALT DER VERPACKUNG

•ZWEI M1ACTIVE 520 ODER 620 MONITORE

•ZWEI STROMKABEL

•DIESE KURZBEDIENUNGSANLEITUNG

•WICHTIGE SICHERHEITSHINWEISE

CONTENUE DE LA BOÎTE

•DEUX M1 ACTIVE 520 OU 620

•DEUX CÂBLES D'ALIMENTATION

•GUIDE D'UTILISATION SIMPLIFIÉ

•CONSIGNES DE SÉCURITÉ

BOX CONTENTS

•TWO M1ACTIVE 520 OR 620 MONITORS

•TWO POWER CABLES

•THIS QUICK START GUIDE

•IMPORTANT SAFETY INSTRUCTIONS

CONTENUTO DELLA CONFEZIONE

•DUE MONITOR M1ACTIVE 520 O 620

•DUE CAVI DI ALIMENTAZIONE

•QUESTO MANUALE

•IMPORTANTI ISTRUZIONI DI SICUREZZA

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M1Active 520/620

Quick Start User’s Guide

(English)

Introduction

Thanks for choosing the Alesis M1Active 520/620 studio monitor. Alesis has a

long history of making best-selling, high performance studio monitors and the

M1Active 520/620 series builds upon everything we’ve learned from the past.

Our M1Active line of speakers (including the M1Active 520 and its “bigger

brother,” the M1Active 620) were engineered from the ground up to be the

perfect studio monitor. The biamplified design, active crossover, and carefully

matched woofer/tweeter combination ensures perfectly accurate and uncolored

playback of your music. These speakers are like a “sound microscope” that will

allow you to hear every nuance of your mix and help you make better mixes.

We’ve made this quick start guide as short as possible, but please read it carefully.

It teach you how to get the most out of your M1Active monitors.

We hope your new M1Active 520/620s will serve you well for many years.

Sincerely,

The People of Alesis

Key Features

M1Active 520 Monitors feature the following:

•75-watt biamplified design with active crossover

•5” Low Frequency woofer for punchy bass and clear midrange

•¾” Silk dome tweeter for smooth highs without ear-fatiguing harshness

•Top mounted power switch/clip light

•Acoustical waveguide for superior imaging and minimal diffraction

•Rear port for deep bass extension and increased loudness

•Acoustic Space switch allows speaker placement in any location

•Magnetic shielding for close placement to TVs and computer monitors

•3 EQ switches to tailor the speaker for any control room environment

•XLR and 1/4” TRS Inputs

M1Active 620 Monitors feature the following:

•100-watt biamplified design with active crossover

•6.5” Low Frequency woofer for punchy bass and clear midrange

•1” Silk dome tweeter for smooth highs without ear-fatiguing harshness

•Top mounted power switch/clip light

•Acoustical waveguide for superior imaging with minimal diffraction

•Rear port for deep bass extension and increased loudness

•1” thick front baffle virtually eliminates speaker resonance

•Acoustic Space switch allows speaker placement in any location

•Magnetic shielding for close placement to TVs and computer monitors

•3 EQ switches to tailor the speaker for any control room environment

•XLR and 1/4” TRS Inputs

Product Registration

Please go to http://www.alesis.com and register your M1Active 520/620 speakers.

Registering helps us to keep you up-to-date on any last minute product issues. If

you would like, we can also send you information on other products that might

interest you.

By registering with us, you let us know what products you use (or dream about)

and this helps us bring you better products in the future.

Front Panel

1. Power Switch/Clip Light- This bar

turns blue when the M1Active 520/620 is

powered up (the power switch is found on

the top of the speaker) and the bar turns

red when the speaker is being overloaded.

2. Acoustic Waveguide- Besides giving

the speaker its devilishly good looks, our

distinctive silver acoustical waveguide helps

spread the tweeter’s high frequency sound

evenly across your control room.

3. Tweeter- Our silk dome tweeter is

designed to handle all frequencies above 3

kHz. This driver was carefully selected

because of its ability to match the woofer

and provide crystal clear sound without

ear-fatiguing harshness.

4. Woofer- The ultra-light, super-stiff

material found in our woofer cone helps

the M1Active 520/620 deliver punchy bass

and solid midrange (even at loud levels)

without distortion.

Back Panel

1. TRS Input – This ¼” input accepts

balanced “TRS” or unbalanced “TS”

cables from your mixer, computer, or

any other line level source. Both types

of cabling will work, but we

recommend balanced TRS (or XLR)

cables since they give you better

performance and lower noise

(especially if you’re using longer

cables).

2. XLR Input – This jack functions

exactly the same way as the TRS input

(see above), but it uses balanced XLR

cabling.

3. Gain – This knob sets the input

gain of the speaker. Use this knob to

set a comfortable loudness level for

monitoring.

4. Rear Port – The rear port

augments the bass generated by the

woofer to increase the low frequency

SPL over that of non-ported speakers.

Make sure this hole is not obstructed

since this will adversely affect bass response.

5. Acoustic Space Switch – This switch

compensates for placement near walls and corners.

Please see section titled “About the Acoustic Space

Switch” for more on these settings.

6. Hi Boost – This switch allows you to tailor the

speaker’s high frequency response to your control

room. Please see the section “About the Hi-Boost

Switch” for more about these settings.

7. Mid Boost – This 2-position switch provides a 2.5 dB wide-band boost in the

midrange at 1.8kHz. This has the effect of moving the soundstage “forward”

closer to the mix position. Some engineers prefer to have this boost if the

speakers are positioned farther than a few feet away. We recommend you try

either the boosted “+” or bypassed “0” settings for a few mixes and select

whichever one makes your mixes translate better.

Both XLR and TRS

connectors have been

provided for your

convenience, but please use

only one connection at a time

to avoid overloading the

inputs.

8. Lo – This high-pass filter switch lets you pick the point at which the speaker

will roll off low frequencies. Many subwoofers roll off frequencies above 80 Hz,

so if you want to use your M1Active 520/620 speakers with a subwoofer, set this

switch to “80.” If you do not have a subwoofer, leave this set to the lowest

number to let the M1Active 520/620 play its full range of sound.

Alternatively, you may want to hear how your mix will translate on smaller

speakers (such as a TV, or radio). Set this switch to 80Hz or 100Hz (if you have a

subwoofer, turn it off) and you’ll get a sense of how your mix will sound on

smaller speakers with reduced bass output.

9. AC Voltage Selector – This 2-position switch sets the AC input voltage for the

speaker. US users should set this switch to “100-120V” whereas UK and most

European users will need to set this to “220-240V.”

10. AC Input – This jack accepts standard 3-prong IEC power cables. Make sure

your AC Voltage Selector (see item #9 above) is set to the correct voltage for your

country.

About the Acoustic Space Switch

The bass response of a speaker is greatly affected by the

speaker’s proximity to walls. You’ll notice a buildup in

bass frequencies as a speaker moves closer to a wall and

even more buildup as the speaker moves closer to a

corner. This happens because low frequencies radiate in

all directions from the speaker cabinet and are reflected

off your walls back into your control room. When this

happens, the reflected sound mixes with the direct

sound of the speaker itself resulting in “reinforced” bass.

We know that most home and project studios are set up under less than ideal

conditions, so we’ve added the Acoustic Space Switch to help you optimize your

speakers to your room.

If your speakers are farther than about 3 feet away from the walls of your studio,

leave this switch set to the default “0” setting. This “full space” setting outputs

bass normally.

If the speaker is up against a wall, set the Acoustic Space Switch to “2.” This

setting is known as “half-space” and compensates for boosted bass due to your

speakers being placed near one wall.

Finally, if your speaker is positioned in a corner, set this switch to “4.” This is

known as a “quarter-space” setting and compensates for placement next to two

walls.

Unlike bass frequencies, midrange

and high frequency sounds are

much more “directional” and only

radiate forward. Because of this,

the Acoustic Space Switch only

deals with bass frequencies—there

is no need for high frequency

com

ensation near walls.

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