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29
3. When the Media Stream Program on the
computer is set to output in the “ASIO” format,
the McIntosh -HD USB Audio Control Panel
allows for changing the settings parameters on
the fly.
USB Music Playback
When the USB Input is selected on the McIntosh
MHA150, the Front Panel Display indicates the
Sampling Rate (refer to figures 119 and 120 for PCM
Signals).
Figures 121 and 122 indicate a Sampling Rate of 128
or 256 times the Sampling Rate of a CD Disc for the
incoming DSD Digital Audio Signal.
The Sampling Rate and the Bit Rate are determined
by the original recording, the Application Output For-
mat (when available) and the McIntosh-HD Control
Panel Settings.
Note: In general, when the original music is recorded
at a higher Sampling Rate, the result is usually
more detail in the music. However, this higher
USB
51%
352.8kHz
Figure 120
How to Operate the MHA150, con’t
USB
46%
DSD128
Figure 121
USB
51%
DSD256
Figure 122
USB
46%
44.1kHz
Fig ure 119
rate results in consuming larger amounts of stor-
age space. The Sample Rate usually should be set
to match the Sample Rate of the music recording
being played back.
There are many third party Applications (besides Ap-
plications like Windows Media Player) for streaming
music from the computer to the McIntosh MHA150
USB Input. An example of just one of the available
applications is “JRiver Media Center”.
Reset of Microprocessors
In the unlikely event the controls of the MHA150
stop functioning, the microprocessors can be reset by
performing the following:
1. Press and hold in the STANDBY/ON Push-button
until the LED above the STANDBY/ON Push-
button illumination is extinguished. Then release
the STANDBY/ON Push-button.
2. To switch the MHA150 back On, press the
STANDBY/ON Push-button.
Note: This can be performed with the MHA150 On or
in the Standby Mode.
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