3
Your decision to own this McIntosh MHA150 Head-
phone Amplifier ranks you at the very top among
discriminating music listeners. You now have the best.
The McIntosh dedication to precision performance
assures many years of musical enjoyment.
Please take a short time to read the information in
this manual. We want you to be as familiar as pos-
sible with all the features and functions of your new
McIntosh.
Thank You
Please Take A Moment
Technical Assistance
If at any time you have questions about your McIntosh
product, contact your McIntosh Dealer who is familiar
with your McIntosh equipment and any other brands
that may be part of your system. If you or your Dealer
wish additional help concerning a suspected problem,
you can receive technical assistance for all McIntosh
products at:
McIntosh Laboratory, Inc.
2 Chambers Street
Binghamton, New York 13903
Phone: 607-723-3512
Fax: 607-724-0549
Customer Service
If it is determined that your McIntosh product is in
need of repair, you can return it to your Dealer. You
can 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
The serial number, purchase date and McIntosh Dealer
name are important to you for possible insurance
claim or future service. The spaces below have been
provided for you to record that information:
Serial Number: _______________________________
Purchase Date: _______________________________
Dealer Name: ________________________________
Copyright 2016 © by McIntosh Laboratory, Inc.
Safety Instructions ...............................................................2
Thank You and Please Take a Moment ...............................3
Technical Assistance and Customer Service .......................3
Table of Contents .................................................................3
General Information ............................................................4
Connector and Cable Information .......................................4
Introduction .........................................................................5
Performance Features ..........................................................5
Dimensions ..........................................................................6
Installation ...........................................................................7
Connections:
Rear Panel Connections .......................................................8
Connecting Components and
Optional Loudspeakers .............................................. 10-11
System Thru Connections .................................................12
External Power Amplifier Connections ............................ 13
Remote Control and Front Panel:
Remote Control Push-buttons ........................................... 14
How to use the Remote Control ......................................... 15
Front Panel Displays, Controls,
Push-button and Jack ......................................................... 16
Setup Mode:
How to Operate the Setup Mode ....................................... 17
Default Settings .......................................................... 17
Firmware Version ....................................................... 18
Table of Contents
Setup Mode: con’t
Input Renaming .......................................................... 18
Speaker Mode ............................................................. 19
Subwoofer Mode ......................................................... 19
Power Mode ................................................................ 19
Remote Control ...........................................................20
Volume Guard.............................................................20
Factory Reset ..............................................................20
Operation:
How to Operate the MHA150 ............................................ 21
Power On/Off ............................................................. 21
Source Selection ......................................................... 21
Volume Control .......................................................... 21
Trim Functions:
Trim Functions Introduction ............................. 21
Bass Boost ......................................................... 21
Balance ..............................................................22
Trim Level .........................................................22
Mono/Stereo Mode ...........................................22
Meter Lights ......................................................23
Display ..............................................................23
Display Information Mode................................23
Mute ............................................................................23
Headphone Jack, Headphone HXD
TM
........................24
Output Control ............................................................24
Profile Mode ..........................................................24-26
Power Output Meters and Power Guard .....................26
Using a Separate Power Amplifier .............................26
Optical and Coaxial Digital Inputs ............................27
USB Input Operation and Driver Installation ............27
Installing the Software ..........................................27-28
USB Audio Driver Operation and Reset
of Microprocessors .................................................29
Specifications ............................................................ 30
Packing Instructions ................................................. 31
Summary of Contents for MHA150
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