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SoundPlus
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Infrared System • Model WIR SYS 90 PRO
SoundPlus
®
Infrared System • Model WIR SYS 90 PRO
D
D
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
Maximum Range When Using the RX22-4 Infrared Receiver
20
6
12
18
24
30
36
42
48
54
60
40
60
80
100
120
140
160
180
200
FEET
METERS
– 90
– 80
– 70
– 60
– 50
– 40
– 30
– 20
– 10
0
10
20
30
40
50
60
70
80
90
1 Channel, 1 nW/sq cm
(Approx. 28000 sq ft, 2600 sq m)
2 Channel, 1 nW/sq cm per channel
(Approx. 18000 sq ft, 1700 sq m)
4 Channel, 1 nW/sq cm per channel
(Approx. 11000 sq ft, 1000 sq m)
1 Channel, 1 nW/sq cm
2 Channels, 1 nW/sq cm per channel
4 Channels, 1 nW/sq cm per channel
HORIZONTAL RADIATION POLAR PATTERNS
DISTANCE FROM EMITTER TO 1 nW/sq cm CONTOUR
VERTICAL RADIATION POLAR PATTERNS
DISTANCE FROM EMITTER TO 1 nW/sq cm CONTOUR
20
6
12
18
24
30
36
42
48
54
60
40
60
80
100
120
140
160
180
200
FEET
METERS
– 90
– 80
– 70
– 60
– 50
– 40
– 30
– 20
– 10
0
10
20
30
40
50
60
70
80
90
Reflections of the infrared light from walls, ceilings, and floors may change these patterns.
Important: Remember to point the emitter towards the listening audience!
If you’re not getting sufficient coverage with a single, properly installed TX90 Transmitter, you may need
to add additional WIR TX90 Transmitters to achieve full coverage of your listening area. Figures 7a and
7b illustrate how multiple emitters can be used for large room installations.
Fig. 6: Horizontal and Vertical Radiation Polar Plots
©2008, Williams Sound Corp. MCAT 065A
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