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Summary of Contents for McIntosh MHA100
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Page 1: Headphone Amplifier
McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com MHA100 Headphone 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
Thank You Customer Service Your decision to own this McIntosh MHA100 Head- If it is determined that your McIntosh product is in Setup Mode: con’t phone Amplifier ranks you at the very top among need of repair, you can return it to your Dealer. You Input Renaming ............ -
Page 4: General Information
McIntosh Component and look in Input Connectors on the MHA100. Refer to the dia- the “Setup Section - Remote Control Codes” of 2. Apply AC Power to the MHA100 and other McIn- gram for connection: PIN 3 tosh Component(s) only after all the system compo- the manual. -
Page 5: Introduction
Internet via an McIntosh Sentry Monitor power output stage protec- USB Computer connection. tion circuits ensure the MHA100 will have a long and • Power Control and Remote Control The MHA100 reproduction is sonically transparent trouble free operating life. -
Page 6: Dimensions
Dimensions Dimensions The following dimensions can assist in determining the best location for your MHA100. There is addition- al information on the next page pertaining to install- ing the MHA100 into cabinets. Front View of the MHA100 " 29.2cm "... -
Page 7: Installation
Installation Installation The MHA100 Headphone Ampifier is designed to be placed upright on a table or shelf, standing on its feet. The required ventilation requirements are shown. Always provide adequate ventilation for your MHA100. Cool operation ensures the longest possible 6"... -
Page 8: Rear Panel Connections
Optical, Coaxial and Balanced Digital (AES/EBU)Outputs sending digital audio signals Main Fuse holder, refer to information on the back panel of your MHA100 to determine the correct fuse size and rating PWR CNTRL (Power Control) IN BALANCED INPUT PREAMP OUTPUT... - Page 9 Notes...
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Page 10: Connecting Components And Optional Loudspeakers
(7.62 meters) (15.24 meters) (30.48 meters) Impedance terclockwise until an opening page 12. If the MHA100 will be used with an exter- or less or less or less appears. Refer to figures A and nal Power Amplifier, please refer to page 13. -
Page 11: Connecting Components
Terminal to the Loudspeaker Terminal Connections being careful to observe the correct polarities. Refer to “General Information” Note 7 on page 4 for additional information. 5. Connect the MHA100 power cord to an active AC Connect to Computer outlet. AC Outlet Spade Lug or Wire Connections: 6. -
Page 12: System Thru Connections
System Thru Connections System Thru Connections The MHA100 can also be part of an existing Audio or Audio/Video Sound System. The MHA100 allows connection of Headphones for private listening. It can also drive Loudspeakers in a second room. The Preamplifier MHA100 becomes active when the Main Preamplifier or Audio/Video Controller is On. -
Page 13: External Power Amplifier Connections
External Power Amplifier Connections External Power Amplifier Connections The MHA100 has the ability to drive an External Power Amplifier. In the example below, the MHA100 automatically switches the External Power Amplifier On/Off via Power Control function. 1. Connect Audio Cables from the MHA100 PRE- AMPlifier OUTPUT jacks to the External Power Amplifier IN (Left and Right) jacks. -
Page 14: Remote Control Push-Buttons
Decreases the volume level Increases the volume level Selects the desired INPUT LED illuminates during the time a remote command is sent to the MHA100 Mutes and unmutes the audio Powers the MHA100 ON or OFF Selects the PREVIOUS Station... -
Page 15: How To Use The Remote Control
The supplied Remote Control performs the various Operating Functions for the MHA100 Headphone When using an optional contemporary McIntosh Tuner with the MHA100, select the next Station Preset Amplifier. Note: Refer to the “How to Operate” Section of this by press the : Push-button. Select the previous Sta- manual for additional information. -
Page 16: Front Panel Displays, Controls, Push-Button And Jack
OUTPUT Control allows the Indicates the Dynamic Crossfield STANDBY/ON Push-button with selection of either Headphones circuitry is active when illuminated indicator switches the MHA100 (various impedances) or Loud- ON or OFF (Standby) and resets speakers. When in Setup Mode the microprocessors... -
Page 17: How To Operate The Setup Mode
MLI USB Audio vided to customize the operating settings using the V_._ _ V_.__ Front Panel Display. Refer to the MHA100 Front Panel MHA100 S/N: _ _ _ _ _ _ _ Illustration on the previous page while performing an... -
Page 18: Firmware Version
Front Panel Display) can be customized Firmware” (responsible for the basic operation of with a different name up to eight characters long (My Figure 6 the MHA100) and the other known as USB Audio Phone, MCD550, etc.). The available characters for INPUT: UNBAL Firmware (responsible for the “USB Connection and... -
Page 19: Speaker Size
Speaker Size Subwoofer Mode to 80Hz. It is recommended the Professionals The MHA100 is designed to work with an external The MHA100 allows for the connection of Loud- at your McIntosh Dealer, who are skilled in all speakers with different performance capabilities. One Powered Subwoofer. -
Page 20: Remote Control
Operation can be disabled in the event there is a con- flict with another McIntosh component located in the same room as the MHA100. Refer to “General Infor- mation, note 6” on page 4 for additional information. Disable the Front Panel IR Sensor by performing the following steps: 1. -
Page 21: How To Operate The Mha100
Trim Setting. To verify The Red LED beside the STANDBY/ON Push-button Control. Refer to figures 50 and 53. lights to indicate the MHA100 is in Standby mode. a TRIM Setting without changing it, press the To switch ON the MHA100, press the STANDBY/ON... -
Page 22: Balance
Source Components can have slightly different volume indicate the Input Selection and Volume Level. INPUT Control to select the OPTICAL Input and levels resulting in the need to readjust the MHA100 note if the relative volume is louder or quieter Volume Control when switching between different BALANCE than the volume level of the UNBAL. -
Page 23: Trim Level
MONO / STEREO Power Amplifiers will also switch On/Off when Control until “DISPLAY” appears on the Front Mono connected to the MHA100 via a power control Panel Display. Refer to figure 68. cable. Refer to “Power Control Connections” Figure 63 on page 4. -
Page 24: Headphone Jack, Headphone Hxd Tm
2. To disable the HXD Mode momen- tarily press the Front Panel VOLUME Figure 76 Profile Mode Control. The MHA100 has the ability to store up to 5 differ- Note: HXD Mode is automatically ent Profile Settings for Headphone use. Each profile disabled when SPEAKERS are... - Page 25 Figure 83 NO PROFILE SAVED RENAMING A PROFILE NAME PROFILE Figure 79 The MHA100 Profile Name (Profile1 thru Profile5 as Y1ofile1 Create new Profile1 by following the below steps: indicated on the Front Panel Display) can be custom- Figure 87 4.
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Page 26: Power Output Meters And Power Guard
Figure 91 Figure 81 21. Rotate the Profle Control to select “DELETE peaks in the audio signals. In the event the MHA100 15. To exit the Profile Rename Mode momentarily over heats, due to improper ventilation, high ambient ALL, Saved Profiles”. Refer to figure 92. -
Page 27: Optical And Coaxial Digital Inputs
For the best performance, the volume When using a PC Computer with Windows, a spe- control on the MHA100 should be set to 70%. The cial McIntosh USB Audio Software Driver needs to be It is important to first install the downloaded software Volume Control on the Main Preamplifier or Audio/ installed on the PC Computer. - Page 28 Figure 108 Figure 109 figures 115, 116 and 117. Figure 115 Figure 119 Notes: 1. When the McIntosh USB Audio MHA100 is not connected to your computer, the previ- Figure 111 Figure 110 ous default Audio Device will be selected.
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Page 29: Of Microprocessors
Sampling Rate to the active Windows Playback STANDBY/ON Indicator switches Off. Program. 2. When the MHA100 cycles On then Off, release the Note: In general, when the original music is recorded at a higher Sampling Rate, the result is usually STANDBY/ON Push-button. -
Page 30: Specifications
8V unbalanced Total Harmonic Distortion Standby: Less than 0.25 watt 16V balanced Note: Refer to the rear panel of the MHA100 for the cor- 0.005% maximum with both channels operating from rect voltage. Preamplifier Output Impedance 250 milliwatts to rated power, 20Hz to 20,000Hz... -
Page 31: Packing Instructions
If a shipping carton or any of the interior part(s) are needed, please call or write Customer Service Depart- ment of McIntosh Laboratory. Refer to page 3. Please see the Part List for the correct part numbers. LEFT FOAM... - Page 32 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. 04145500...
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