R649 External Sensor
Installation Guide
The R649 mounts in a standard one-gang wall out-
let box and connections are made using a RG59U
or RG6 Coax Cable (300ft max.) with “F” Connec-
tors at both ends. Connect the Coax Cable between
the R649 and the “F” Connector on a McIntosh A/
V Control Center, Preamplifier, Multizone Control-
ler or Integrated Amplifier. Up to four sensors can
be connected in parallel. When the R649 is used
with a McIntosh A/V Control Center that uses a
Five Pin Terminal Connector, connect the Center
Wire to Pin 4 and the Shield to Pin 5.
Note: Before connecting the R649 to a McIntosh
A/V Control Center, Preamplifier, Multizone
Controller or Integrated Amplifier, make
sure that the Main AC POWER Switch is in
the Off Position (or remove the unit’s AC
Plug from the AC Wall Outlet).
McIntosh Part No. 040802
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