McIntosh MXA70 Owner's Manual

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System Thru Connections
The MXA70 can also be part of an existing Audio or 
Audio/Video Sound System. The MXA70 allows con-
nection of Headphones for private listening. It can also 
drive Loudspeakers in a second room. The MXA70 
becomes active when the Main Preamplifier or Audio/
Video Controller is On. In the example below, the 
MXA70 will go On/Off when the OUTPUT 2 func-
tion of the Preamplifier is activated using the Power 
Control 2 connections.
1. Connect Audio Cables from the Preamplifier 
OUTPUT 2 jacks to the MXA70 Analog Audio 
UNBAL jacks.
Note: The Preamplifier Balanced OUTPUT 2 connect-
ed to the MXA70 BALANCED Input may be used 
instead of the unbalanced connections.
2. Connect a Control Cable from the Preamplifier 
POWER CONTROL OUTPUT 2 jack to the 
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For additional operational information when using the 
System Thru Connection with the MXA70 and Main 
Preamplifier or Audio/Video Controller, refer to “Sys-
tem Thru Operation” on page 26
System Thru Connections
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