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MA6900の取扱説明書・マニュアル [全24ページ 9.57MB]

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4Performance FeaturesIntroduction and Performance FeaturesIntroduction•Power OutputThe MA6900 consists of two separate power amplifierchannels, each capable of 200 watts into 2, 4 or 8 ohmspeakers with less than 0.005% distortion.•Electronic Input SwitchingDigital Logic integrated circuits drive ElectromagneticSwitches on all six inputs and operating functions for reli-able, noiseless, distortion free switching.•Power GuardBoth channels include the patented McIntosh Power Guardcircuit that prevents the amplifier from being overdriveninto clipping, with its harsh distorted sound that can alsodamage your valuable loudspeakers.•Sentry Monitor and Thermal ProtectionMcIntosh Sentry Monitor power output stage protectioncircuits ensure the MA6900 will have a long and troublefree operating life. Built-in Thermal Protection Circuitsguard against overheating.•Patented AutoformersMcIntosh designed and manufactured Output Autoformersprovide an ideal match between the amplifier output stagesand speaker loads of 2, 4 and 8 ohms. The Autoformersalso provide perfect DC protection for your valuable loud-speakers.•Illuminated Power MetersThe Illuminated Power Output Meters on the MA6900 arepeak responding, and indicate the power output of the am-plifier.Now you can take advantage of traditional McIntosh stan-dards of excellence in the MA6900 Integrated Amplifier.Two 200 watt high current output channels will drive anyhigh quality loudspeaker system to its ultimate perfor-mance and the flexible Preamplifier Selection provides forhookup and control of various input sources. The MA6900reproduction is sonically transparent and absolutely accu-rate. The McIntosh Sound is "The Sound of the Music It-self."Important Information1. The following parts are available from the McIntosh PartsDepartment:Power Control Cable Part No. 170-202Six foot, 2 conductor shielded, with two 1/8 inch stereomini phone plugs.Jumper Plugs Part No. 117-781RCA Phono Jumpers, 14mm center spacing.2. For additional connection information, refer to the owner'smanual(s) for any component(s) connected to the MA6900.3. The MA6900 mutes the speaker outputs for approximately twoseconds when first turned on.4. It is very important that loudspeaker cables of adequate sizebe used, so that there will be no power loss. The size isspecified in Gauge Numbers or AWG (American Wire Gauge).The smaller the Gauge number, the larger the wire size:If your loudspeaker cables are 50 feet (38.1m) or less,use at least 14 Gauge.If your loudspeaker cables are 100 feet (76.2m) or less,use at least 12 Gauge.5. In the event that the MA6900 over heats, due to improperventilation and/or high ambient temperature, the protectioncircuits will activate. The Front Panel Power Guard LEDswill continuously indicate ON and the audio will be muted.When the MA6900 has returned to a safe operatingtemperature, normal operation will resume.XLR ConnectorsBelow is the Pin configuration for the XLR Balanced InputConnectors on the MA6900. Refer to the diagram for con-nection:PIN 1: Shield/GroundPIN 2: + InputPIN 3: - InputPower Control and Trigger ConnectorsThe MA6900's Power Control Outputs provide a 5 voltsignal. Use a 1/8 inch stereo miniphone plug to connect to thePower Control Input on otherMcIntosh Components.Data Port ConnectorThe MA6900's Data Port Output provides Remote ControlSignals. Use a 1/8 inch stereomini phone plug to connect to theData Port Inputs on McIntoshSource Units.Connector InformationPositiveN/C GroundData SignalN/CGroundPin 1Pin 2Pin 3

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このマニュアルの目次

  • 1 .
    MA6900Owner's ManualMcInt...
    MA6900Owner's ManualMcIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 FAX: 607-724-0549Integrated Amplifier
  • 2 .
    2IMPOR TANT SAFETYINSTRU...
    2IMPOR TANT SAFETYINSTRUCTIONS!PLEASE READ THEM BEFOREOPERATING THIS EQUIPMENT.WARNING - TO REDUCE RISK OFFIRE OR ELECTRICAL SHOCK, DONOT EXPOSE THIS EQUIPMENT TORAIN OR MOISTURE.The lightning flash with arrowhead,within an equilateral triangle, is intend...
  • 3 .
    3Customer ServiceTechnica...
    3Customer ServiceTechnical AssistancePlease Take A MomentThank YouCopyright 2004 © by McIntosh Laboratory, Inc.The serial number, purchase date and McIntosh dealername are important to you for possible insurance claim orfuture service. The spaces below hav...
  • 4 .
    4Performance FeaturesIntr...
    4Performance FeaturesIntroduction and Performance FeaturesIntroduction•Power OutputThe MA6900 consists of two separate power amplifierchannels, each capable of 200 watts into 2, 4 or 8 ohmspeakers with less than 0.005% distortion.•Electronic Input Switchin...
  • 5 .
    5MA6900 DimensionsThe fol...
    5MA6900 DimensionsThe following dimensions can assist in determining thebest location for your MA6900. There is additional infor-mation on the next page pertaining to installing theMA6900 into cabinets.MA6900 Dimensions17- 1/2 "44.45cm 7 - 5/8 "19.37cm 3...
  • 6 .
    6InstallationThe MA6900 c...
    6InstallationThe MA6900 can be placed upright on a table or shelf,standing on its four feet. It also can be custom installed in apiece of furniture or cabinet of your choice. The four feetmay be removed from the bottom of the MA6900 when itis custom instal...
  • 7 .
    7MA6900 Rear Panel Connec...
    7MA6900 Rear Panel Connections and SwitchMain Fuse holder,refer to informationon the back panelof your MA6900 todetermine the cor-rect fuse size andratingRight OUTPUTConnections for2, 4 or 8 ohmloudspeakersLeft OUTPUTConnections for2, 4 or 8 ohmloudspeaker...
  • 8 .
    8How to Connect Loudspeak...
    8How to Connect LoudspeakersCaution: The supplied AC Power Cord should not beconnected to the Rear Panel of the MA6900Amplifier until after the Loudspeaker Connectionshave been made. Failure to observe this couldresult in Electric Shock.1. Prepare the Loud...
  • 9 .
    9How to Connect Audio Com...
    9How to Connect Audio Components1. Connect an Audio Cable from the McIntosh CD PlayerAudio Outputs to the MA6900 CD2 INPUTS.2. Connect an Audio Cable from a McIntosh Tuner 1 Out-puts to the MA6900 TUNER INPUTS.3. Connect an Audio Cable from a Turntable to ...
  • 10 .
    10How to Connect for Vide...
    10How to Connect for Video SwitchingHow to Connect for Video Switching1. Connect a Data cable from the MA6900 VIDEO DATAPORT to the Audio/Video Selector Data In jack.2. Connect the Audio/Video Selector Control Center Au-dio Outputs to the MA6900 VIDEO INPU...
  • 11 .
    11How to Connect for a Se...
    11How to Connect for a Second RoomHow to Connect for a Second Room1. Connect Audio Cables from the MA6900 OUTPUTS 2to the Second Power Amplifier Inputs.2. Connect Hookup Cables from the Second Power Am-plifier to the loudspeakers. Refer to page 8 in thisOw...
  • 12 .
    12Front Panel Controls, P...
    12Front Panel Controls, Push-Buttons and SwitchPOWERswitch turnsall AC powercompletelyON or OFFMONO push-buttoncombines the left andright channel signals forMono operationVOLUME controlallows adjustment ofthe listening level forboth channelsThe BALANCE con...
  • 13 .
    13How to OperateHow to Op...
    13How to OperateHow to OperatePower OnPress the POWER switch to ON. The Red LED above theSTANDBY/ON push-button, lights toindicate the MA6900 is in Standbymode. To turn On the MA6900, pressthe STANDBY/ON push-button. TheMUTE LED will light for approxi-mate...
  • 14 .
    14How to Operate, con'tOu...
    14How to Operate, con'tOutputs 1 and 2Press OUTPUTS Push-button 1 to switch the Speakers Onor Off. Thepush-buttonsalso switch thePreamplifierOUTPUTS 1and 2 On or Offfor connection to external Power Amplifier(s). Press eitherpush-button individually, or bot...
  • 15 .
    15Notes
    15Notes
  • 16 .
    16Remote Control Push-But...
    16Remote Control Push-ButtonsSelects one of the twelveHigh Level Audio/VideoSources or Phono InputTurns AC Power ON or OFF to cer-tain McIntosh Components whenconnected via the Data PortAdjusts the volumelevel up or downSelects Disc Player, MusicServer or ...
  • 17 .
    17How to Operate by Remot...
    17How to Operate by Remote ControlThe supplied remote control is capable of directly control-ling the functions of contemporary McIntosh Source Com-ponents connected to the MA6900. Earlier McIntoshsource components and other brand source components canbe c...
  • 18 .
    18Technical DescriptionMc...
    18Technical DescriptionMcIntosh Laboratory, the company who introduced theworld's first amplifier that could be called "High Fidelity",has done it again. The McIntosh engineering staff has cre-ated a power amplifier without compromise, using the mostadvanc...
  • 19 .
    19Technical Descriptionma...
    19Technical Descriptionmagnetic field. The force of the field causes the leads tobend and contact one another inside the sealed glass tube.The inert gas eliminates corrosion of the contacts and in-sures a low resistance, distortion free switch.All inputs, ...
  • 20 .
    20Input Test SignalFigure...
    20Input Test SignalFigure 14Without Power GuardFigure 15Top Inside View of the MA6900Figure 12Figure 13ance points of two ohms, four ohms and eight ohms. Theunequaled expertise of McIntosh in the design and manu-facturing of autoformers is legendary in the...
  • 21 .
    21Figure 16With Power Gua...
    21Figure 16With Power GuardPG light and a dynamic elec-tronic attenuator at the amplifierinput reduces the input volumejust enough to prevent any fur-ther increase in distortion. ThePower Guard circuit acts so fastthat there are absolutely no au-dible side...
  • 22 .
    22SpecificationsSpecifica...
    22SpecificationsSpecificationsPower OutputMinimum sine wave continuous average power output perchannel, all channels operating is:200 watts into 2 ohm load200 watts into 4 ohm load200 watts into 8 ohm loadRated Power Band20Hz to 20,000HzTotal Harmonic Dist...
  • 23 .
    23Packing InstructionsPac...
    23Packing InstructionsPacking InstructionsIn the event it is necessary to repack the equipment forshipment, the equipment must be packed exactly as shownbelow. It is very important that the four plastic feet are at-tached to the bottom of the equipment. T...
  • 24 .
    McIntosh Part No. 0409910
    McIntosh Part No. 04099100McIntosh Laboratory, Inc.2 Chambers StreetBinghamton, NY 13903The continuous improvement of its products isthe policy of McIntosh Laboratory Incorporatedwho reserve the right to improve design withoutnotice.Printed in the U.S.A.