Audio Authority 9870D Stereo Receiver User Manual


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752-577
11/08
2048 Mercer Road, Lexington, Kentucky 40511-1071
Phone: 859-233-4599 • Fax: 859-233-4510
Customer Toll-Free USA & Canada: 800-322-8346
Website: http://www.audioauthority.com
Note: This
configuration of two
9871 Drivers could
support four
wallplates.
9871Driver
Note: IR remote control
system and receivers are
not included.
Connect only
front OR rear
IR jack
A
9871
Driver
BAB
IR Receiver Tips:
• Avoid IR interference from Plasma and LCD
TVs, direct sunlight, fluorescent light, etc.
• Use Plasma-proof or LCD-proof receivers.
In Case of Difficulty
If any problems arise that are not covered in this
manual, call Audio Authority Technical Support at
800-322-8346, or outside the US and Canada, call
859-233-4599.
IR Remote
Control
System
IR Receiver
9879
Wallplate
AV Source
IR
Remote
Cat 5, Cat 5e,
or Cat 6 Cable
AV Source
18-volt power supply PN 571-014
18-volt power supply PN 571-014
Cable Length
Compensation = 4
Cable Length
Compensation = 3
Cat 5 Cable Length = 370 ft. Cat 5 Cable Length = 250 ft.
RCA Cable Length = 220 ft.
A
9871
Driver
B
AV Source Component
they must be placed far away, compensate for losses of the long coaxial cable by increasing the cable
compensation setting by one click for each 200 feet of coaxial cable length (see diagram below). For example,
if the coaxial cable length from source to 9871 Driver is 220 feet (1 click) and the Cat 5 cable length to a certain
wallplate is 250 feet (2 clicks), the correct Cable Length Compensation for that wallplate is 1 + 2 = 3 clicks.
Conditions vary, so it is best to verify settings using the video display that will be installed in each location.
Connecting to an IR network
The DuoDrive does not have an IR remote control system; it provides a discrete three-strand Cat 5 pathway
for a third party system. Connect an IR remote control system input to the Driver IR output stereo 3.5mm jack
(see example diagram below). Connect an IR receiver to each wallplate/receiver and position them appropriately
in the rooms. Do not connect any equipment to the vacant white RCA jacks marked “IR”.
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