14
Power On and Off
The Red LED above the STANDBY/ON Push-but-
ton lights to indicate the D150 is in Standby mode.
To switch ON the D150, press the STANDBY/ON
Push-button on the Front Panel or the (Power
On) Push-button on the Remote Control. The D150
will go through a brief startup initialization with the
Front Panel Information Display indicating the Level
Percentage (Volume) and then the last used Input
Source. Refer to figures 50, 51, and 52. To switch OFF
the D150 press the STANDBY/ON Push-button on the
Front Panel or the (Power Off) Push-button on the
Remote Control.
Source Selection
Rotate the INPUT Control to select the desired source
or press the appropriate push-button on the Remote
Control. Refer to figures 50, 52 and 53.
Level Control
Rotate the Front Panel LEVEL Control (Volume) or
use the LEVEL
+ (
Up) or
- (
Down) Push-buttons on
The D150 USB Input is com-
patible with PC Computers using
Microsoft®, Windows 7 (SP1) and
Windows 8.1. It is also compatible
with Apple® Macintosh® Computers
using OS-10.6.8 or later.
When using a PC Computer with
Windows, a special McIntosh USB
Audio Software Driver needs to be
installed on the PC Computer. The
driver needs to be installed before
connecting the D150 USB Input to
the USB Port on the computer.
Note: If an Apple Macintosh com-
puter is used with the D150, no
additional driver is required.
The McIntosh USB Audio Win-
dows Driver is available for down-
load from the McIntosh Web Site:
http://www.mcintoshlabs.com/
us/Support/Pages/Manu-
als.aspx
Under “PRODUCT CATEGORY”
select “Preamplifiers” then under
“MODEL NUMBER” select “D150”.
Click on “SEARCH” then select
“McIntosh-HD USB Audio Windows
Drive C v1.0 and download the PC
Windows Driver. Follow the instruc-
tions below to install the McIntosh
D150 Driver:
Purpose:
To Install the McIntosh
USB Audio Windows Driver for use with
McIntosh Products with an USB-Digital
Audio Input.
the Remote Control for the desired listening level.
Refer to figures 50 and 53.
Mute
Press the MUTE Push-button on the D150 Front Panel
to mute the Audio in all outputs except the HEAD-
PHONES Output Jack. Pressing the Mute Push-button
a second time will un-mute the D150.
Headphones Jack
Connect a pair of dynamic headphones to the Head-
phones Jack with a 1/4” (0.635cm) stereo phone type
plug for private listening. Press MUTE Push-button to
mute the Loudspeakers.
Note: The Headphone Output is optimized for imped-
ances ranging from 20 to 600 ohms.
USB Input Operation and Driver Installation
The D150 USB Input provides the capability to play-
back music from a computer, when the computer is
connected to the rear panel USB connector.
Note: The USB Input is for direct connection to a com-
puter only. To playback music from a USB Drive,
connect the USB Drive to another USB Port on
the computer and select the USB Drive with the
Media Playback Program.
How to Operate the D150
Figure 50
Figure 51
C O A X 1 . . . . . . 7 6
INPUT SAMPLING FREQUENCY LEVEL%
Figure 53
Figure 52
C O A X 1 4 4 . 1 K 7 6
INPUT SAMPLING FREQUENCY LEVEL%
