Related Manuals for McIntosh MA7900
Summary of Contents for McIntosh MA7900
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Page 1: Integrated Amplifier
McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com MA7900 Integrated Amplifier Owner’s Manual... -
Page 2: Safety Instructions
The lightning flash with arrowhead, within an equilateral The exclamation point within an equilateral triangle is triangle, is intended to alert the user to the presence of intended to alert the user to the presence of important uninsulated “dangerous voltage” within the product’s en- operating and maintenance (servicing) instructions in the closure that may be of sufficient magnitude to constitute literature accompanying the appliance. -
Page 3: Table Of Contents
Setup Mode: Your decision to own this McIntosh MA7900 Inte- If it is determined that your McIntosh product is in grated Amplifier ranks you at the very top among need of repair, you can return it to your Dealer. You How to Operate the Setup Mode ........ -
Page 4: General Information
MA7900. go to www.mcintoshlabs.com. trol, Trigger and Passthru Outputs. 2. Apply AC Power to the MA7900 and other McIn- 8. The IR Input, with a 1/8 inch mini phone jack, is Data Port Connectors tosh Component(s) only after all the system compo-... -
Page 5: Introduction
Multichannel Sound System for Amplifier. The Power Amplifier section of the ing. There is a Balanced Input for connection of a MA7900, with a power output of 200 watts per chan- source component. DVD-Audio, SACD and Home Theater Movies. -
Page 6: Dimensions
Dimensions Dimensions The following dimensions can assist in determining the best location for your MA7900. There is additional information on the next page pertaining to installing the MA7900 into cabinets. Front View of the MA7900 " 44.5cm " " 18.1cm Side View of the MA7900 19.4cm... -
Page 7: Installation
Installation Installation " 1/16 The MA7900 can be placed upright on a table or 43.34cm shelf, standing on its four feet. It also can be custom installed in a piece of furniture or cabinet of your choice. The four feet may be removed from the bottom... -
Page 8: Connections
MA7900 Rear Panel Connections Rear Panel Connections The identification of Rear Panel Connections for the MA7900 Integrated Amplifier is located on a separate folded sheet contained in the Owner’s Manual Packet. Refer to separate sheet “Mc1A” for the Rear Panel Connections. -
Page 9: Connecting Components
MA7900. Refer to page 4 “General Infor- 2. Connect a Control Cable from the McIntosh Turn- mation, note 8” for additional information. Notes: 1. If the MA7900 is part of a Home Theater table Power Control Out Jack to the Audio/Video Audio Connections: System, proceed to “PassThru”... -
Page 10: Passthru Connections
Passthru Connections Passthru Connections The MA7900 can be part of a Multichannel Sound System for SACD, DVD-Audio and Home Theater. A/V Control Center The Right and Left Front Channels from an Audio/ Video Control Center can “Passthru” the MA7900. In the following example the SRVR Input will become the “Passthru”... -
Page 11: Connecting For Bi-Amplification
The MA7900’s Power Amplifier, together with an additional separate Power Amplifier, may be used to Bi-Amplify a Loudspeaker System. In the illustration on this page the Power Amplifier of the MA7900 is connected to the Midrange/High Frequency Section of the Loudspeaker. The additional separate Power Amplifier is connected to the Low Frequency Section of the Loudspeaker System. - Page 12 Banana Plugs are for use in the United States and When connecting the Loudspeaker Hookup Cables to The McIntosh MA7900 Power Amplifier Circuitry the MA7900 Amplifier Output Terminals please fol- is designed for Loudspeakers with an impedance of Canada only: low the steps below: 2 ohms, 4 ohms or 8 ohms.
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Page 13: Connecting Loudspeakers
Connecting Loudspeakers 5. Connect the MA7900 power cord to an active AC outlet. Spade Lug or Wire Connections: 6. Connect the Loudspeaker hookup cables to the MA7900 Negative Output Terminal and Posi- tive Output Terminal indentified as 2Ω (ohms), 4Ω (ohms) or 8Ω (ohms) connection to match the impedance of the Loudspeaker, being careful to observe the correct polarities. -
Page 14: Remote Control Push-Buttons
Output 1 Scrolls through the available or 2 MA7900 Inputs Scrolls through the available Selects one of the eight MA7900 Inputs available Audio Sources Note: Push-buttons whose function is not identified above are for use with other McIntosh Products. -
Page 15: How To Use The Remote Control
AM (Output 1) or FM (Output 2) Push-button, to con- Data Ports. trol the rear panel Audio OUTPUTS 1, 2 (ON or OFF) Notes: 1. If at any time the MA7900 seems unresponsive Tuner Push-buttons and Power Control TRIG 1 / TRIG 2. These OUT-... -
Page 16: Front Panel Displays, Controls, Push-Buttons And Jack
EQ BYPASS Push-button with STANDBY/ON Push-button with indica- type headphones, for commands from a indicator, when activated the audio tor switches the MA7900 ON or OFF private listening Remote Control signal bypasses the Equalizer (Standby) and resets the microprocessors Controls... -
Page 17: How To Operate The Setup Mode
(Action) McIntosh USB Audio vided to customize the operating settings using the COMM PORT V_.__ 115200 Front Panel Display. Refer to the MA7900 Front Panel (Baud Rate) Figure 3 Illustration on the previous page while performing an REMOTE NORM introduction into operating the Setup Mode, follow the 4. -
Page 18: Firmware Version
Notes: 1. Any one of the Default Inputs may be swiched Figure 5 Off. If any input is switched Off its name will er). The Version of the Firmwares in the MA7900 can The second example will illustrate reassigning the no longer appear on the Front Panel Display be identified at any time by utilizing the Setup Mode. -
Page 19: Source Input Renaming
New Input Name Source Input Renaming “U” starts flashing. Refer to figure 11. TUNER The MA7900 Default Input Names (CD, AUX, DVD, SETUP: SOURCE NAME etc. as indicated on the Front Panel Display) can be >> MUX customized with a different name up to nine charac- ters long (My Phone, MCD1100, etc.). -
Page 20: Passthru
By default the Power Control TRIGger 1 and TRIGger Front Panel Display indicates the Setup Mode is (Server) Input Jacks on the MA7900. Refer to page 10 2 Outputs function the same as the MAIN Power Con- active. Then rotate the INPUT CONTROL until for additional connection information. -
Page 21: Comm Port Baud Rate
Rear Panel RS232C Jack. PUT, Source: TUNER OFF” appears on the MAIN” appears on the Front Panel Display. Refer The speed at which the MA7900 communicates (8 bit, Front Panel Display. Refer to figure 22. to figure 25. -
Page 22: Remote Control Codes
5. Press the VOLUME UP/DOWN Push-button on spond to is referred to as the ALTernate Codes. When the Remote Control to verify proper operation. the MA7900 is used in the same location as another McIntosh Preamplifier and/or A/V Control Center, Power Mode the ALTernate Codes are used. -
Page 24: How To Operate The Ma7900
VOLUME Upp or Downq Push-buttons on the Re- pressing the Front Panel figures 50, 51, 52 and 53. To switch OFF the MA7900, mote Control for the desired listening level. Refer to press the STANDBY/ON Push-button on the Front INPUT/TRIM Control. -
Page 25: Equalizer Mode
The Front Panel Display indicates the Balance changes ume as the CD Input. In our example the relative levels resulting in the need to readjust the MA7900 in steps from 0 to 50dB. After approximately 5 sec- volume level of the Server Input is louder than the... -
Page 26: Mono/Stereo Mode And Phono Adjustments
The Front Panel Display Brightness may be changed given Input Source, perform the following steps: TRIM SELECT FUNCTION becomes available for from the default setting. The MA7900 will remem- 1. Select the desired Input by using the direct access adjustment. Perform the following steps to make the ber two brightness preferences, one with the Meters Input Push-button on the Remote Control. -
Page 27: Digital Audio Display
3. If it is not desirable to display the information use with the word MUTE in place of the actual volume nected to the MA7900 via a power control cable. the TRIM LEVEL + / - Push-button to switch it setting. -
Page 28: Power Output Meters
The MA7900 Power Output Meters indicate the power temperature and/or impedance mismatch, the inter- amplifier with a MA7900. The first way is to use the delivered to the Loudspeakers. Refer to figure 70. nal protection circuits will activate. The Front Panel... -
Page 29: Passthru And Equalizer Controls
TENOR SINGING VOICE Off the external Power Amplifier. BARITONE BASS Passthru When the MA7900 is connected together with a Mc- PICCOLO Intosh Multichannel A/V Control Center or Surround FLUTE Decoder and has the PASSTHRU Mode activated, it OBOE ENGLISH HORN... -
Page 30: Optical And Coaxial Digital Inputs
“McIntosh Audio Resetting the MA7900 to default settings Refer to figure 75. McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com Windows Driver Installation If it becomes desirable to reset all the adjustable set- SOURCE: CD and Operation Guide”... - Page 31 How to Operate the MA7900, con’t and Photos...
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Page 32: Photos
Photos... -
Page 33: Specifications
MA7900 Amplifier Specifications Amplifier Specifications Power Output Intermodulation Distortion Voltage Gain, con’t 200 watts is the minimum sine wave continuous aver- 0.005% maximum, if the instantaneous peak power is Phono MM to Output 1 and 2: 55dB age power output per channel, both channels operating... -
Page 34: Specifications
220 Volts, 50/60Hz at 2.45 amps 230 Volts, 50/60Hz at 2.35 amps 240 Volts, 50/60Hz at 2.25 amps Standby: Less than 0.25 watt Note: Refer to the rear panel of the MA7900 for the cor- rect voltage. Overall Dimensions Width is 17-1/2 inches (44.45cm) Height is 7-5/8 inches (19.37cm) including feet... -
Page 35: Packing Instructions
#10 flat washer 1-3/4 inch needed, please call or write Customer Service Depart- 017937 Plastic foot ment of McIntosh Laboratory. Refer to page 3. Please 400159 #10-32 x 3/4 machine screw see the Part List for the correct part numbers. - Page 36 McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, NY 13903 www.mcintoshlabs.com The continuous improvement 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 Part No. 04138801...
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