ma2.0 user guide v1...ty inst electric shoc rvice person erform many fety. improp, observe th een...

19
The Martin Experience MA2.0 High Performance Amplifier User Guide All material © 2010. Martin Audio Ltd. Subject to change without notice.

Upload: others

Post on 03-Feb-2021

0 views

Category:

Documents


0 download

TRANSCRIPT

  • The Martin Experience

    MA2.0 High Performance Amplifier

    User Guide

    All material © 2010. Martin Audio Ltd. Subject to change without notice.

  • All material © 2

    Warning 1  Insta

    1.1 1.2  1.3 1.4 1.5 1.6 

    2  Setu

    2.1 2.2 

    3  Prote

    3.2 3.3 3.4 

    4  User

    4.1 4.2 4.3  

    5  Warr 7  Tech

    7.1 7.2  7.3  7.4  

    2010 Martin Aud

    g notices

    allation a

    UnpMouOpeAC ConCon

    up and se

    IntrThe

    ection ....

    ShoTheDC

    r Mainten

    CleaServDus

    ranty ......

    hnical no

    BloTheSpeTec

    dio Ltd. Subject

    s ............

    and oper

    packing ...unting .....erating PreMain con

    nnecting Innecting O

    ettings ..

    roduction e LED indi

    ..............

    ort circuit ermal protfault prote

    nance ....

    aning ......rvice .........st remova

    ..............

    otes .......

    ck diagramermal Dissecificationchnical Dra

    t to change with

    C

    ..............

    ration .....

    ................

    ................ecautionsnection ...nputs ......

    Outputs ...

    ..............

    ................cators .....

    ..............

    protectionection .....ection .....

    ..............

    ................

    ................l ...............

    ..............

    ..............

    m .............sipation ...n ...............awing ......

    hout notice

    onten

    ..............

    ..............

    ................

    ................s ...............................................................

    ..............

    ................

    ................

    ..............

    n ..............................................

    ..............

    ................

    ................

    ................

    ..............

    ..............

    ................

    ................

    ................

    ................

    ts

    ...............

    ...............

    ................

    ................

    ................

    ................

    ................

    ................

    ...............

    ................

    ................

    ...............

    ................

    ................

    ................

    ...............

    ................

    ................

    ................

    ...............

    ...............

    ................

    ................

    ................

    ................

    ...............

    ...............

    ................

    ................

    ................

    ................

    ................

    ................

    ...............

    ................

    ................

    ...............

    ................

    ................

    ................

    ...............

    ................

    ................

    ................

    ...............

    ...............

    ................

    ................

    ................

    ................

    ..............

    ..............

    ................

    ................

    ................

    ................

    ................

    ................

    ..............

    ................

    ................

    ..............

    ................

    ................

    ................

    ..............

    ................

    ................

    ................

    ..............

    ..............

    ................

    ................

    ................

    ................

    1

    ........... 3

    ........... 6

    .............. 6

    .............. 6

    .............. 7

    .............. 7

    .............. 8

    .............. 9

    ......... 10

    ............ 10

    ............ 11

    ......... 12

    ............ 12

    ............ 12

    ............ 12

    ......... 13

    ............ 13

    ............ 13

    ............ 13

    ......... 14

    ......... 15

    ............ 15

    ............ 16

    ............ 17

    ............ 18

     

    6 6 7 7 8  

     

      

     

       

     

    3 3 3 

    5 6 7 8 

  • All material © 2

    Importa

    Caution To reduce servicing to SafeguarElectrical enassure yourto defeat the Approval

    This equipEMC) pursustandard); In a domesrequired to NOTES: Th89/336/EECand EN 551 This is a cwhich case This equippursuant to NOTE: This equipmpursuant toagainst harequipment accordanceOperation othe user wi

    2010 Martin Aud

    ant safe

    the risk of qualified se

    rds nergy can pr personal sae safeguards

    ls

    pment has buant to the EN61000- 3

    stic environmo take adequ

    his equipmC-EMC) purs103-2 standa

    lass A prode the user m

    ment has bo the audio

    ment has beo part 15 of rmful interfegenerates,

    e with the inof this equipill be require

    dio Ltd. Subject

    ety inst

    electric shocrvice person

    erform manyafety. Improps, observe th

    been testedproduct fam

    3 - 2, EN 610

    ment this pruate measur

    ent has besuant to theard ); EN610

    duct. In a domay be requi

    been tested apparatus s

    een tested athe FCC Ru

    erence whenuses, and c

    nstruction mpment in a red to correc

    t to change with

    ructions

    ck, do not rnel.

    y useful funcper use can rhe following i

    d and foundmily standard

    00 - 3 - 3.

    roduct may res.

    een tested e product f000- 3 - 2 , E

    omestic envired to take

    and found safety requi

    and found toules. These ln the equipmcan radiate rmanual, mayresidential act the interfe

    hout notice

    s

    remove the

    ctions. This result in potenstructions f

    *

    d to complyrd for audio

    cause radio

    and found family standEN 61000 - 3

    vironment thadequate m

    to comply rements: St

    o comply wilimits are dement is operadio frequey cause harmarea is likelyerence at his

    cover. No u

    unit has beeential electricfor its installa

    y by Compeprofessiona

    o interferenc

    to comply dard for aud3 - 3.

    his product measures.

    by Notified tandard EN

    ith the limitsesigned to prated in a coency energymful interfery to cause hs own expe

    user-servicea

    en engineerecal shock or fation, use an

    etent Body al use: EN 5

    ces in which

    by Compedio profess

    may cause

    Body (Direc60065.

    s for a Classprovide reasommercial ey and, if not rence to radarmful internse.

    able parts in

    ed and manfire hazards. d servicing.

    (Directive 855103-1 and

    h case the u

    etent Body sional use:

    e radio inter

    ctive 2006/9

    s A digital dsonable proenvironmeninstalled an

    dio communrference in w

    2

    nside. Refer

    ufactured toIn order not

    89/336/EEC-EN 55103-2

    user may be

    (DirectiveEN 55103-1

    rferences in

    95/EEC L.V)

    device, otection nt. This nd used in nications. which case

    r

    t

    -2

    e

    e

    n

    )

  • All material © 2

    Location Install the a Do not instaradiators. Excessive h Installation PrecautioPlacing and Avoid placin Install this asuch equipm WARNING

    Do

    Appvases, shall

    Safety ruThis deviceto the IEC 3 It is absolutaccurate ch The construfor the miss

    Bef Ver Do Do Do No

    Contact the

    Speaker dMartin Audcapable of puse suitable Martin Audihandling rec Even if you full output pfrequency dcontinuous speaker "bodiaphragm i

    2010 Martin Aud

    mplifier in a

    all the amplif

    heat can adv

    of the amplif

    ons regardd using the a

    ng the amplif

    amplifier as ment may ca

    G: To preve

    not expose t

    paratus shalll be placed o

    les must be pow

    364 or simila

    tely necessaheck by quali

    uctor cannot sing of accura

    fore poweringrify that your not spill watenot use this not remove tnaked flame

    authorized c

    damage io MA2.0 aproducing me speakers w

    io will not becommendatio

    reduce the power if the drivers almopower level

    ottoming outis striking the

    dio Ltd. Subject

    well-ventilate

    fier in a locat

    versely affect

    fier in a damp

    ding instamplifier for lo

    fier on heat-g

    far as possiause noise or

    ent fire or ele

    this equipme

    l not be expon the appara

    wered exclusr rules.

    ry to verify tfied personn

    be considerate earth link

    g this devicemains conneer or other liqunit if the elethe cover. R

    e sources suc

    centre for ord

    mplifiers areuch more po

    with the ampl

    e responsiblons.

    gain using tinput signal

    ost instantanls for a few t" - harsh pe magnet ass

    t to change with

    Warn

    ed location w

    tion that is ex

    t the cabinet

    p or dusty en

    llation ong periods o

    generating so

    ble from tunr degradation

    ctric shock:

    ent to rain or

    osed to dripatus”.

    sively by ear

    his fundamenel.

    red responsik.

    verify that thection is capquids into or ectrical poweemoving thech like lighte

    dinary and e

    e among theower than maifier and to u

    e for damag

    he amplifier'level is high

    neously, whiseconds be

    pops or cracsembly.

    hout notice

    ning no

    where it will n

    xposed to di

    and internal

    nvironment m

    on heat-gene

    ources.

    ners and TV n of the pictu

    moisture.

    pping or spla

    rth connecte

    ental requirem

    ble for even

    he amplifier pable to satis

    on the unit.er cord is fraye cover will exd candles sh

    extraordinary

    e most powany loudspeause them in a

    ged speakers

    's front paneh enough. A le low-frequ

    efore they facking distorti

    tices

    not be expos

    rect rays of t

    components

    may result in

    eration sourc

    sets. An amure.

    ashing and n

    d mains soc

    ment of safet

    tual damage

    is supplied wsfy the power

    yed or brokexpose you tohould be plac

    maintenanc

    werful profesakers can haa sensible wa

    s. Consult th

    el attenuationsingle high-

    uency driversail. Reduce on that indic

    ed to high te

    the sun, or n

    s.

    malfunction

    ces will affec

    mplifier instal

    o objects fill

    ckets in elect

    ty and, in ca

    es caused to

    with the correr ratings of th

    en. o potentially dced on the am

    e.

    sional amplandle. It is thay that will no

    he speaker m

    n controls, it power crescs can usualpower immecate that the

    emperature o

    near to hot a

    or accident.

    ct performanc

    led in close

    led with liqu

    trical network

    ase of doubt,

    o persons, th

    ect voltage rahe device.

    dangerous vmplifier.

    ifiers availabhe user's respot cause dam

    manufacture

    is still possicendo can dally withstandediately if yoe speaker v

    3

    or humidity.

    ppliances or

    ces.

    proximity to

    ids, such as

    ks compliant

    requires an

    ings or data

    ating.

    voltage.

    ble and areponsibility tomage.

    r for power-

    ble to reachamage high-d very high,ou hear anyvoice coil or

    r

    t

    y r

  • All material © 2

    Martin Audirather than

    Speaker oA Martin Autouch any e This manusafety. Pleyour Martin

    2010 Martin Aud

    io recommenfor increased

    output shudio amplifierexposed spea

    al contains ase read it n Audio dea

    dio Ltd. Subject

    nds that youd volume.

    ock hazarr is capable oaker wiring w

    important icarefully b

    aler.

    t to change with

    use amplifie

    rd of producing

    while the amp

    informationefore opera

    hout notice

    ers of this p

    hazardous oplifier is oper

    on operatiating your a

    ower range

    output voltagrating.

    ng your Maamplifier. If

    for more hea

    ges. To avoid

    rtin Audio ayou have a

    adroom (cle

    d electrical s

    amplifier coany questio

    4

    aner sound)

    hock, do not

    orrectly andns, contact

    t

    t

  • All material © 2

    The totally professionalong term respecific higconcert toustadiums. More sounCompared delivers moenables dimtypically run One of the Conventionhas an avertimes more Superior SCrystal-cleaPatented dresponse, s Totally DigThe MA2.0 and inverteworks as asequence w MA2.0 amp Compact &Martin Audexcellent fouse. The Show AThe MA2.0 every condiAnticipating

    2010 Martin Aud

    new Martinal audio ampeliability. Thh output po

    uring, opera

    d and less wto a conve

    ore power tomensions, wn at 95% effic

    most intereal amplifiersrage power dheat than M

    ound-Sonicar highs andesign featur

    slew rate, pow

    ital with Higseries is bars. PWM proa high frequwith average

    plifiers use ve

    & Lightweighio MA2.0 a

    or application

    Always Goeis completelition. They w

    g potential pro

    dio Ltd. Subject

    n Audio MAlification. Noanks to ama

    ower, MA2.0 houses, the

    weight ntional ampo the loudsp

    weight and pciency, dissip

    sting characs achieve thedensity of 40A2.0 amplifie

    c Accuracy d a tight, weres ensure vwer bandwid

    gh Reliabilitysed on PWMovides high uency sampvalue equal

    ery high sam

    ht amplifiers offns where spa

    es On y protected a

    will deliver moblems at th

    t to change with

    IntA2.0 amplifieo other amplifazing reducti

    amplifiers ceatres, chur

    lifier, Martinpeakers withower consumpating only 5

    cteristics is teir best effic0% of the maers for the sa

    ell-defined lowvery high pe

    dth and dump

    y M technologyreliability, smler, convertito the audio

    pling frequen

    fer incrediblyace and wei

    against everaximum powe design sta

    hout notice

    troductier technologfiers come cions in heat can be usedrches, cinem

    n Audio MA2h greatly remption to be

    5% of the inp

    that MA2.0 eciency only aaximum leveame volume

    w end: the erformance ping factor.

    y that has bemall size, lowing the vari input.

    ncies to obta

    y compact ight saving a

    ry possible ewer with maxage means yo

    ion gy has chaclose for app

    output alond in an unlimma, theme p

    2.0 technoloduced heat e reduced. T

    put energy as

    efficiency is at full rated pl, conventionof sound.

    most accuraover param

    een used for w weight anable amplitu

    ain high perfo

    dimensions are importan

    rror in operaximum safetyour show alw

    nged the wlications demg with reduc

    mited range parks, televis

    ogy offers vedissipation.

    The output ss heat.

    almost indeppower outpunal amplifiers

    ate reproduceters such a

    30 years or d high efficieude (audio)

    ormances ac

    are very lignt. They also

    tion and are y and increa

    ways goes on

    way the wormanding highctions in weof applicatiosion sound

    very high effThis greate

    stages of th

    pendent of ot. Since stans can easily

    ction of an aas distortion

    r more in powency. A PWsignal into

    cross the aud

    ghtweight mo offer excel

    e designed toased long-tern!

    5

    rld looks ath power andight and theons such asstages and

    ficiency ander efficiencyhe amplifiers

    output level.ndard musicgenerate 10

    audio signal.n, frequency

    wer suppliesM converteran impulse

    dio band.

    making themlent ease of

    o work underrm reliability.

    t

    y

    c

    y

    r

    f

    r

  • All material © 2

    1.1 Carefully op Every Martiin perfect cocarton and a

    1.2 The MA2.0 support moamplifier at Your MA2.0by an internThe MA2.0 temperaturerequires it, thermal load If either heaanother sencooling air around the can flow witrack space top of each

    2010 Martin Aud

    Unpackpen the shipp

    n Audio ampondition. If yall packing m

    Mountinamplifiers w

    ounting holesthe rear in a

    0 amplifier usnal fan, air en

    series ample sensing ciwhich keeps

    d, the fan wil

    at sink gets nsing circuit sis forced outsides of the thout resistaof opening iother (no sp

    dio Ltd. Subject

    1

    king ping carton a

    plifier is comyou find any materials for t

    ng will mount in as are also p

    a 19” rack.

    ses a forced-nters throughlifiers featurercuits: the fs fan noise ll force a very

    too hot, its shuts down it through theamplifier to

    ance. If you an the front o

    pace needed

    t to change with

    Insta

    and check for

    pletely testedamage, nothe carrier's

    a standard 1provided. Th

    -air cooling sh the slots ine an "intelligan speed wto a minimuy large volum

    sensing circts circuit to ce rear of theallow the air

    are using a rf the rack forbetween un

    hout notice

    allation a

    r any noticea

    ed and inspecotify the shipinspection.

    19" rack. Fouhese should

    system to man the front paent" variable

    will increase um and helpme of air thro

    cuit will reducut off powere chassis (ser to escape. rack with clor every four its), starting

    and oper

    able damage

    cted before lping compan

    ur front panealways we

    aintain a low,anel and coue-speed DC only when t

    ps cut dust aough the hea

    ce the outpur until it coolsee below), so

    If it is rack mosed backs, amplifiers. Afrom the bot

    ration

    e.

    leaving the fany immediate

    el mounting hused to su

    even operaurses over anfan which isthe temperaaccumulationat sinks.

    ut power. If s to a safe teo make suremounted, mathere must b

    Amplifiers mattom of the ra

    factory and sely. Be sure

    holes are propport the w

    ating temperand through cs controlled bature of eithen inside. Und

    the amplifieemperature. Te there is enake sure thebe at least oay be stackeack.

    6

    should arrive to save the

    ovided. Reareight of the

    ature. Drawncomponents.by heat sinker heat sinkder extreme

    r overheats,The exhaust

    nough spacee exhaust airone standardd directly on

    r

    k k

    t

    r

  • All material © 2

    1.3 Make sure Damage casure the pow It is alwaysparticularly Whether yointermittent soldering te 1.4 Warning: bThe AC Maconnection manual. Thharmonic diof varying tdisable the

    2010 Martin Aud

    Operatithe AC mai

    aused by conwer switch is

    s a good ideif there is a h

    ou purchaseproblems ar

    echnique to e

    AC Mainbefore connin connectioto the amplif

    he amplifier istortion on tthe mains voe ground co

    dio Ltd. Subject

    ng Precauins voltage innecting the s off before m

    ea to have high signal le

    e them or bre caused by

    ensure troubl

    n connectnecting to mn is made vifier. Be sureis a resistivthe current. Toltage. Is imnnection.

    t to change with

    utions s correct anamplifier to

    making any in

    the gain coevel at the in

    uild them yoy faulty cable free reliab

    tion mains be sur

    a the IEC typthat your AC

    ve load for tThe system portant to c

    hout notice

    nd is the samimproper AC

    nput or outpu

    ntrols mutedputs.

    ourself, use es. Use gooility.

    re that the pe connectoC mains powthe mains nallows perfoconnect the

    me as that pC voltage is ut connection

    d during pow

    good qualiod quality co

    amplifier is r on the rear

    wer source hetwork, mini

    ormance to be ground for

    printed on thnot covered

    ns.

    wer-up to pr

    ty input andnnectors and

    set to the cr panel. The as the requirimizing the e maintainedr safety, do

    he rear of thd by the war

    revent speak

    d speaker cd cable alon

    correct maipicture belowrements indireactive powd even in cir

    o not use ad

    7

    he amplifier.rranty. Make

    ker damage

    cables. Mostng with good

    ns voltage.w shows thecated in thiswer and thercumstancesdapters that

    t

    t

  • All material © 2

    1.5 Input conne

    The figure bconfiguratio The Link swremaining in

    2010 Martin Aud

    Connecections are m

    below showson, but you m

    witch locatednput connect

    dio Ltd. Subject

    cting Inputmade via the

    s the connectmust consider

    d in the rear tor to carry s

    t to change with

    ts 3-pin XLR-fe

    tion of analogr that unbala

    panel is for dsignal to othe

    hout notice

    emale on the

    g input for baanced long lin

    direct paralleer amps.

    e rear of the a

    alanced and nes can intro

    eling the rea

    amplifier.

    unbalanced oduce noise i

    r input conn

    line. You cain the audio s

    ectors. You

    8

    an use eithersystem.

    can use the

    r

  • All material © 2

    1.6 Warning: thprevent any Output connwire gauge in bridge mopositive out Note: Chanoutput to thpolarity, the(sub bass e Be sure to are bench t

    2010 Martin Aud

    Connechere are lethy damages

    nectors are mto minimize

    ode. In normput and the

    nnel B is rune output con

    e energy storetc.) and imp

    use balancetesting.

    Noand th

    dio Ltd. Subject

    cting Outphal voltagesturn the am

    made via Nepower and

    mal stereo or 1- pin of the

    n out of phasnnecter Chanrage in the proves the po

    ed inputs on

    ote: in Bridghe gain cont

    t to change with

    puts s at the loud

    mplifier off be

    utrik Speakodamping faclinked monoSpeakon sho

    se internallynnel A is runpower supplyower bandwid

    n all measur

    e mode the trols of both

    hout notice

    dspeaker coefore conne

    on connectorctor losses ino mode, for eould be treat

    y, corrected n in phase. By is more effidth.

    rement equ

    link switch h channels m

    onnectors wecting the lo

    rs. Consult thn the speakeeach channeted as the ne

    by reversingBy having chcient. This is

    ipment (incl

    must be swmust be set

    when the amoudspeaker.

    he wire gaugr cables. Thl 1+ of the S

    egative outpu

    g the connecannel A ands significant f

    luding oscil

    witched to “o to the same

    mplifier is tur.

    ge chart to finhe outputs caSpeakon conut.

    ctions from td B operatingfor signals b

    lloscope pro

    on” e level

    9

    rned on. To

    nd a suitablean also worknector is the

    the amplifierg in oppositebelow 100Hz

    obes) if you

    k

    r

  • All material © 2

    2.1 The figure MA2.0 Amp The front pthe user totabout the control use+32dB. Read the iwill explainamplifier.

    2010 Martin Aud

    Introducright shows

    plifier.

    panel controtal control anstatus of th

    es a logarith

    nstructions n the man

    dio Ltd. Subject

    2

    ction the front pa

    ols and indicnd detailed ihe amplifier. hmic scale fr

    below carefny function

    t to change with

    S

    anel of the

    cators give nformation The gain

    rom -∞ to

    fully which s of the

    hout notice

    Setup an

    nd setting

    gs

    10

  • All material © 2

    2.2 The figure bfor the outpthe signal L"ready" LEDready to usreducing the

    2010 Martin Aud

    The LEDbelow showsut stage of th

    LED is illuminD, when illumse. The "teme output pow

    dio Ltd. Subject

    D indicatos the front pahe corresponnated when tminated, indicmp" LED, whwer due to an

    t to change with

    ors nel of the MAnding channethe signal is cates that thhen lit, indican over-heated

    hout notice

    A2.0. The cliel. The signapresent in the start-up timates that thed state.

    ip LED, whenal, -18dB andhe input stagme after powe output sta

    n lighting, indd -6dB LEDs e of the corr

    wer-on is finisge of the co

    dicates the cs operate as respondent cshed and theorresponding

    11

    clipping stateV-meter and

    channel. Thee amplifier isg channel is

    e d e s s

  • All material © 2

    3.1 For about fo 3.2 A short circstressful loawill be illumfor normal useconds un 3.3 The MA 2.0response tothe "TEMP"temperatureheatsink hauntil the tempower. 3.4 If DC or exmute both cimproving th 3.5 An ultrason

    2010 Martin Aud

    Turn-Onour seconds

    Short ccuit protectioads. It is com

    minated. The use after 2 stil the short i

    Therma0 amplifier uo the amplifie" LED illumine rises aboveas cooled bemperature h

    DC faulxcessive subchannels of he damping f

    Input / Oic network de

    dio Ltd. Subject

    n-Turn-Offafter turn-on

    ircuit protn system sa

    mpletely inauamplifier pro

    seconds. If ts removed.

    al protectiouses a continer's cooling nates and thee 85°C the thelow 85°C thhas dropped

    t protectiobsonic energthe amplifierfactor and re

    Output proecouples RF

    t to change with

    3

    f muting n, and immed

    tection afeguards theudible when iotection has the short circ

    on nuously variarequirementse output powhermal sensihe amplifier w

    to 75°C. It

    on gy appears ar. The ampli

    eliability of th

    otection F from the ou

    hout notice

    Prote

    diately at turn

    e amplifier's inactive. In than auto res

    cuit is still pr

    able speed fs). If the hea

    wer is reduceing circuitry wwill automatiis possible

    at a channefier shutdowe MA2.0.

    utputs and ke

    ection

    n-off, the am

    output transhe event of aet mode whresent the a

    fan to assistatsink tempeed to preventwill mute eacically un-mutto reduce th

    l output, an wn is used in

    eeps the amp

    plifier output

    sistors undera short circuich will attemmplifier will a

    t cooling (theerature reacht damages toch channels te but the The temperat

    instantaneonstead off of

    plifier stable w

    ts are muted

    r short circuiit condition,

    mpt of reset attempt to re

    e fan speedhes approximo the output power sectio

    TEMP LED wture reducing

    ous protectiospeaker rel

    with reactive

    12

    .

    ts and otherthe red LEDthe amplifiereset every 2

    d changes inmately 75°C,stage. If the

    on. Once thewill remain litg the output

    n circuit willays, thereby

    e loads.

    r D r 2

    n , e e t t

    l y

  • All material © 2

    4.1 Disconnect clean the fa 4.2 There are n If your MA2 4.3 Particularly interfere wit To remove grill forward

    2010 Martin Aud

    Cleaninthe amplifie

    aceplate and

    Serviceno user-servic

    .0 amplifier n

    Dust remin dusty en

    th cooling. Yo

    air filters ford.

    dio Ltd. Subject

    4

    ng er from the A

    chassis.

    e ceable parts

    needs repair

    moval nvironments,ou may use

    r more comp

    t to change with

    AC main sou

    in your MA2

    , contact you

    the front ficompressed

    prehensive c

    hout notice

    User Ma

    urce first; us

    2.0 amplifier.

    ur Martin Aud

    ilters clog wd air to remov

    cleaning, uns

    intenanc

    e a soft clot

    Refer servic

    dio dealer or

    with dust andve the dust fr

    screw the ret

    ce

    th and mild n

    cing to qualif

    distributor.

    d dirt after prom filters.

    taining screw

    non-abrasive

    fied technica

    prolonged u

    ws and pull t

    13

    e solution to

    l personnel.

    use, this will

    the covering

  • All material © 2

    Martin Audiof 3 (three) During the wbe defectiveMartin Audi Martin Audiuse, negligethat is not consequent This warranstatutory rig

    2010 Martin Aud

    o MA2.0 is wyears from t

    warranty pere provided tho service ag

    io Ltd. cannence, exposuin accordan

    tial damages

    nty is exclusights.

    dio Ltd. Subject

    warranted aghe date of or

    riod Martin Ahat the produent or distrib

    ot be held rure to inclemnce with thes.

    ve and no ot

    t to change with

    5

    gainst manufriginal purcha

    udio will, at iuct is returnebutor.

    responsible fment weather e instructions

    ther warranty

    hout notice

    Warra

    facturing defase.

    its discretioned in its origin

    for defects cr conditions, s provided b

    y is express

    anty

    fects in mate

    n, either repanal packagin

    caused by uact of God oby Martin A

    ed or implied

    erials or craft

    ir or replace g, shipping p

    nauthorised r accident, oudio. Martin

    d. This warra

    ftsmanship o

    products whprepaid, to a

    modificationor any use ofn Audio is n

    anty does no

    14

    over a period

    hich prove ton authorised

    ns, improperf this productnot liable for

    ot affect your

    d

    o d

    r t r

    r

  • All material © 2

    7.1 The diagram

    2010 Martin Aud

    Block dm below show

    dio Ltd. Subject

    diagram ws the ampli

    t to change with

    7 T

    ifier block dia

    hout notice

    Technica

    agram (1 Ch

    al notes

    annel shown

    n).

    15

  • All material © 2

    7.2

    Level

    SwPower on

    Pink Noise (1/8 rated

    power)

    Pink Noise (1/4 rated

    power)

    *Power abs12 all amplresidual cur

    2010 Martin Aud

    Therma

    Load

    witch in off positin, amplifier in id

    8Ω / Stereo

    16Ω / bridged4Ω / stereo 8Ω / bridged 2Ω / stereo 4Ω / bridged

    8Ω / Stereo 16Ω / bridged4Ω / stereo 8Ω / bridged 2Ω / stereo 4Ω / bridged

    sorbsion withifier circuitryrrent to preve

    dio Ltd. Subject

    al Dissipat

    Rated Power

    on* dle mode

    Watt 2 x 600

    d 1 x 1200 2 x 1000

    1 x 2000 N/A

    N/A

    2 x 600 d 1 x 1200

    2 x 1000 1 x 2000

    N/A N/A

    amplifier swy must includent the risk o

    t to change with

    tion

    MartinAC Ma

    230V AC

    0.13 0.2

    Ampe

    1

    1.5

    N/A

    1.8

    2.9

    N/A

    witched off is de a “bleed”of shock from

    hout notice

    n Audio Mains

    115V AC

    0.09 0.4

    ere

    2

    3.1

    N/A

    3.6

    5.8

    N/A

    not zero becresistor acro

    m an amplifie

    MA2.0 W

    Out I

    0 1.0 3

    W

    150 1

    250 3

    N/A N

    300 3

    500 6

    N/A N

    cause to comoss the incor disconnecte

    Watt In Dissipa

    .71 1.735 35

    Watt

    88 73

    13 98

    N/A N/A

    75 110

    25 160

    N/A N/A

    mply with ENoming AC maed from the m

    Thermaated BTU/h

    1 5.8 5 119

    BTU/h

    3 247

    8 332

    A N/A

    0 375

    0 546

    A N/A

    N60065/IEC 6ains power tmains.

    16

    al Dissipation r Kcal/hr

    1.5 30

    r Kcal/hr

    62

    84

    N/A

    95

    138

    N/A

    60065:2001-to discharge

  • All material © 2

    7.3 POWER REPower supp Operating teWeight.......External dimWidth………Depth………Height……… AUDIO SECBandwidth (Damping faSlew Rate (S/N ratio....Distortion TIntermodulaIntermodulaInputs.........Impedance.Gain ………Outputs….… OUTPUT SOutput PowEIAJat 1KH8Ω Per Cha4Ω Per Cha16Ω Bridged8Ω Bridged FEATURESIndicators…Over-tempetemperatureparallel inpu

    2010 Martin Aud

    Specific

    EQUIREMENply................

    emperature .....................

    mensions ……………………..…………………………

    CTIONS (1W, 8Ohm)ctor (8Ohm)

    (8Ohm)............................

    THD…………ation SMPTEation DIM 30........................................

    ……………………...….......

    PECIFICATIwer Hz, 1% THD annel…………annel…………d……………………………

    S ………………erature forece controlled uts switch, in

    dio Ltd. Subject

    cation

    NTS ....................

    ....................

    ....................

    ………………………………

    ………………

    ....................

    ....................

    ........................................………………

    E ……………..........................................................……………….................Ne

    IONS

    ….……………….……………

    …………………………………

    ………………casting, theair cooling

    nput signal pr

    t to change with

    ....................

    ...................

    ...................

    ………………………………

    ………………

    ....................

    ....................

    ........................................………….……………………............................................................

    …..……………eutrik 4-pole

    ………………………………………………

    …………………

    ………………rmal protecsystem, clip

    resence LED

    hout notice

    ....................

    ....................

    ....................

    …………………….………

    …….…………

    ...............................................................................…….…..... <………..…. <............... 50V/μ..............>11 1W to full po1W to full po

    1W to full pow, XLR female

    0KOhm each………………

    ns 1+ 2+ par

    ………………………………………………………………

    …..……2 x 4 ection, overnt signal lim

    +15%) (50/6

    .................. 0

    ............ 7.3K

    19” Rack: 4……………3

    Rack Unit: 44

    .................10.............. at 1μS (input filte12dB/A (20Hower (Typicaower (Typicawer (Typicalle with paralle

    h leg balance………………ralleled, 1- 2

    ……………….………………………………………..………

    segment LErload output

    miter, auto-re

    17

    0Hz) 800VA

    0°C to 45°CKg (16.1 lbs)

    83mm (19”)358mm (14”)4mm (1.75”)

    0Hz, 30KHz100Hz > 500er bypassed)z to 20KHz)ally

  • All material © 2

    7.4

    2010 Martin Aud

    Technic

    dio Ltd. Subject

    cal Drawin

    t to change with

    g

    hout notice 18

    MA2.0 User Guide Front cover.pdfPage 1