19
Refer to figure 13.
2. Rotate the OUTPUT Control until the Front Panel
Display indicates “SPEAKER MODE, Large”.
Refer to figure 14.
3. To exit from the Setup Mode, press the INPUT
CONTROL and the Front Panel Display will revert
back to its normal display.
Refer to figure 15.
2. Rotate the OUTPUT Control until the Front Panel
Display indicates “SUBWOOFER MODE, En-
abled”. Refer to figure 16.
Note: When the MXA80 Subwoofer Mode is set
to “ENABLED” it is important the Powered
Subwoofer internal crossover frequency be set
to 80Hz. It is recommended the Professionals
at your McIntosh Dealer, who are skilled in all
aspects of room acoustics be involved when the
MXA80 is used with a Powered Subwoofer and
any associated audio equipment.
3. To exit from the Setup Mode, press the INPUT
CONTROL and the Front Panel Display will revert
back to its normal display.
Record any changes made to the various default Input
Names in the following chart for future reference.
Input Renaming
Default Input Name
New Input Name
UNBAL
BALANCED
OPTICAL
COAXIAL
MCT
USB
8. To exit from the Setup Mode, press the INPUT
CONTROL and the Front Panel Display will revert
back to its normal display.
Setup, con’t
The MXA80 allows for the connection of Loudspeak-
ers with different performance capabilities. One of the
differences in Loudspeaker performance is the ability
to reproduce bass frequencies down to 35Hz within
-3dB of the midrange frequencies.
The MXA80 provides two different settings,
SMALL and LARGE. When using the MXA80
Loudspeakers, use the default setting of SMALL. The
LARGE listing refers to the Loudspeaker’s capability
for reproducing bass frequencies down to 35Hz within
-3dB of the midrange frequencies. If a Loudspeaker
can not reproduce bass frequencies down to 35Hz
within -3dB of the midrange frequencies, it is consid-
ered SMALL.
In the following example, the Speaker Size default set-
ting of SMALL will be changed to LARGE:
1. Press and hold the INPUT CONTROL until the
Front Panel Display indicates the Model, Firm-
ware Version and Serial Number. Refer to figure
2. Then rotate the INPUT CONTROL and select
the Setup Menu item “SPEAKER MODE, Small”.
Speaker Mode
Figure 13
SPEAKER MODE
Small
Figure 14
SPEAKER MODE
Large
Subwoofer Mode
The MXA80 is designed to work with an external
Powered Subwoofer. The subwoofer would be used
when the Loudspeakers connected to MXA80 Output
Terminals do not have the ability to reproduce bass
frequencies down to 35Hz (within -3dB of the mid-
%
The MXA80 provides two different Subwoofer
Mode settings, “Disabled” and “Enabled”. The De-
fault Setting of “Disabled” provides a Stereo Signal at
the PREAMPlifier OUPUT Jacks. When the setting
is changed to “Enabled” the Left and Right channel
signals are combined into a monaural signal available
at both PREAMP OUPUT Jacks. In the following
example, the Subwoofer Mode default setting of DIS-
ABLED will be changed to Enable:
1. Press and hold the INPUT CONTROL until the
Front Panel Display indicates the Model, Firmware
Version and Serial Number. Refer to figure 2. Then
rotate the INPUT CONTROL and select the Setup
Menu item “SUBWOOFER MODE, Disabled”.
Figure 15
SUBWOOFER MODE
Disabled
Figure 16
SUBWOOFER MODE
Enabled
The MXA80 incorporates an Auto Off Feature, which
automatically places it into the Power Saving Standby/
Off Mode. This occurs approximately 30 minutes after
there has been an absence of audible audio signals on
* % &
(includes changes to any of the Operation Functions
# # %
it is desirable to disable the Auto Off Feature perform
the following steps:
1. Press and hold the INPUT CONTROL until the
Front Panel Display indicates the Setup Mode is
Power Mode
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