McIntosh MA7000 Owner'S Manual Download Page 1

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McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 FAX: 607-724-0549

MA7000

Owner’s Manual

Integrated Amplifier

Summary of Contents for MA7000

Page 1: ...McIntosh Laboratory Inc 2 Chambers Street Binghamton New York 13903 2699 Phone 607 723 3512 FAX 607 724 0549 MA7000 Owner s Manual Integrated Amplifier ...

Page 2: ...rvicing instructions in the litera ture accompanying the appliance WARNING TO REDUCE RISK OF FIRE OR ELECTRICAL SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL To prevent the risk of electric shock do not remove cover or back No user serviceable parts inside IMPORTANT SAFETY INSTRUCTIONS PLEASE READ THEM BEFORE OPERATIN...

Page 3: ...an also return it to the McIntosh Laboratory Service Department For assistance on factory repair return procedure contact the McIntosh Service Department at McIntosh Laboratory Inc 2 Chambers Street Binghamton New York 13903 Phone 607 723 3515 Fax 607 723 1917 Copyright 2007 by McIntosh Laboratory Inc Safety Instructions 2 Thank You and Please Take a Moment 3 Technical Assistance and Customer Serv...

Page 4: ...puts for connection of source components and a Balanced Preamplifier Output for driving an external Power Amplifier Power Guard The patented McIntosh Power Guard circuit prevents the amplifier from being overdriven into clipping with its harsh distorted sound that can also damage your valuable loudspeakers Sentry Monitor and Thermal Protection McIntosh Sentry Monitor power output stage protection ...

Page 5: ...ormation on the next page pertaining to installing the MA7000 into cabinets 17 1 2 44 45cm 8 13 16 22 38cm Front View of the MA7000 Rear View of the MA7000 9 7 16 23 97cm 11 1 2 29 21cm 16 13 16 42 70cm Side View of the MA7000 19 3 4 50 17cm 3 16 0 48cm 7 8 2 22cm 8 1 4 20 96cm 12 3 4 32 39cm 16 7 16 41 75cm 1 1 4 3 18cm 2 1 4 5 72cm ...

Page 6: ... maintaining all the system components at the coolest pos sible operating temperature A custom cabi net installation should provide the following minimum spac ing dimensions for cool opera tion 8 5 16 21 11cm 17 1 16 43 34cm MA7000 Front Panel Custom Cabinet Cutout Cutout Opening for Ventilation Cutout Opening for Ventilation Support Shelf Cabinet Front Panel Chassis Spacers MA7000 Side View in Cu...

Page 7: ...urntable RECord OUTPUT sends signals to the input of a recording device RIGHT OUTPUT connections for a 2 4 or 8 ohm loudspeaker Main Fuse holder refer to information on the back panel of your MA7000 to determine the cor rect fuse size and rating CD1 and DVD Bal anced and Unbalanced INPUTS accept high level program source signals PHONO accepts signals from a Moving Magnet phono cartridge OUTPUT 1 s...

Page 8: ...R DATA PORTS Jack to the McIntosh TUNER1 Data In Jack 8 Connect a Control Cable from the MA7000 CD DATA PORT Jack to the McIntosh SACD CD Player Data In Jack 9 Connect a Control Cable from the MA7000 SERVER DATA PORT Jack to the McIntosh Music Server Data In Jack 10 Connect a Control Cable from the MA7000 DVD DATA PORT Jack to the McIntosh Audio Video Player Data In Jack 11 Connect any additional ...

Page 9: ... or McIn tosh Technical Support When connecting Loudspeakers to the MA7000 it is very important to use cables of adequate size so there is little to no power loss in the cables The size is specified 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 a...

Page 10: ...ons and Track Selection on certain McIntosh CD Players Press to review Tuner Station Pre sets and select certain functions on a variety of McIntosh Components Press MODE to switch between Stereo and Mono Modes Turns AC Power ON or OFF to certain McIntosh Components when connected via the Data Port and any McIntosh Components connected to the ACC Power Control Jack Note Push buttons whose function ...

Page 11: ...sed Tuner Push buttons Press the AM or FM Push button to select the desired broadcast band Press and release the Channel Up or Down Push button to move from station to station Press and hold a Channel Up or Down Push button to move continuously from station to station Press 10 Push button to start the automatic brief audition of each of the pre sets stored in the tuner memory Press 10 Push button ...

Page 12: ...gnals for Monophonic Sound Source Push buttons select audio signals from seven inputs for listening The LEDs above the push buttons indicate the current source selected BALANCE Control allows adjustment of the relative volume balance between channels Meter indicates the Right Channel Out put of the amplifier LED indicates when the Left Channel Amplifier POWER GUARD circuit activates Meter indicate...

Page 13: ...acks are not affected Mute Press the MUTE Push button on the Front Panel or Remote Control to mute the audio in all outputs except the REC OUTPUT The MUTE LED above the push button flashes to indicate that Mute is active To un mute the audio press the MUTE Push button again press the Remote Control Volume Push button s or press a Source Push button How to Operate the MA7000 Headphones Jack Connect...

Page 14: ...will affect the sound level of all the Loudspeakers Using Output 2 The MA7000 has provisions for connecting an external Power Amplifier to drive Loudspeakers in another room and an external sensor for remote operation of the MA7000 from that room With an external Power Amplifier con nected as illustrated on the McIntosh Connection Diagram separate sheet Mc1B press the Front Panel OUTPUT 2 Push but...

Page 15: ...requencies is less than 0 002 The true distortion readings on the MA7000 are so low it takes special measuring techniques to make accurate readings Technical Description The MA7000 can deliver the best possible performance from any type of high quality loudspeaker system Creating an amplifier with this level of performance did not come easily Many months of design testing and mea suring were requi...

Page 16: ...ower Amplifier Design Philosophy The design philosophy incorporated in the MA7000 involved several different techniques all based on sound scientific logic Every stage of voltage or current ampli fication must be as linear as possible prior to the use of negative feedback McIntosh engineers know how to prop erly design negative feedback circuits so they contribute to the extremely low distortion p...

Page 17: ...the inaudible ultrasonic distortion is also undesirable since it can damage valuable loudspeaker system tweeters You will never experience the harsh and damaging distortion due to clipping The Power Guard circuit is a waveform comparator monitoring both the input and output wave forms Under normal operating con ditions there are no differences be tween the shape of these waveforms If an amplifier ...

Page 18: ... Damping Factor Greater than 40 Input Impedance High Level 20K ohms Phono 47K ohms 65pF Power Amp In 10K ohms Maximum Input Signal High Level 8V unbalanced 16V balanced Phono 45mV Power Amplifier In 16V Main Output Impedance 50 ohms Power Guard Less than 2 THD with up to 16dB overdrive at 1 000Hz Voltage Gain High Level to Rec Output 0dB High Level to Main Output 20dB Phono to Rec Output 46dB Phon...

Page 19: ... the original shipping carton and interior parts only if they are all in good serviceable condition If a shipping carton or any of the interior part s are needed please call or write Customer Service Department of McIntosh Laboratory Refer to page 3 Please see the Part List for the correct part numbers Quantity Part Number Description 1 034052 Shipping carton top 1 034051 Shipping carton bottom 2 ...

Page 20: ...of its products is the policy of McIntosh Laboratory Incorporated who reserve the right to improve design without notice Printed in the U S A McIntosh Laboratory Inc 2 Chambers Street Binghamton NY 13903 McIntosh Part No 04105200 ...

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