SoundPlus® Infrared System • Model WIR SYS 90 PRO
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Description:
The TX90 two channel IR transmitter combines modulator and emitter technology into a single operating unit, which
reduces operating cost and eliminates precious rack space. The TX90 transmitter produces a wide-angle infrared sig-
nal that concentrates the IR energy efficiently in the listening area. Operating on the 2.3-3.8 MHz bandwidth, the
TX90 is less susceptible to radio and lighting interference. Each TX90 transmitter can cover up to 28,000 sq ft (2,600
sq m) in single-channel operation. The coverage area can be easily increased by connecting additional TX9 emitters.
A wall/ceiling omnidirectional mount is included, and stand kits are available for portable operation.
Applications:
Cinemas • Simultaneous Interpretation • Audio Description • Conferences • Multi-Media Rooms
Boardrooms • Courtrooms • Schools • Universities • Churches
WIR TX90 Transmitter:
Dimensions, Weight:
Color:
11.25" W x 6.25" H x 2.125" D (28.6 cm x 15.9 cm x 5.4 cm), 1.8 lbs (0.8 kg)
Black with white legends, black acrylic lens
Power Supply:
Wall Transformer, 24 VAC, 50-60 Hz, 35 VA, 3-pin MOLEX Connector
North America:
Europe:
UK:
TFP 010, UL/CSA
TFP 027-01, 2-pin Schuko plug, CE
TFP 027-02, 3-pin UK plug, CE
Power Cable:
Modulation:
Carrier Frequency:
NEC Class 2 wiring, two-conductor, 18 ga., 200’ (61m) max. length
FM Wideband, +50kHz deviation max., 50uS pre-emphasis
Channel A: Selectable, 2.3/2.8 MHz,
Channel B: Selectable, 3.3/3.8 MHz
Emitter IR Power:
Coverage Area:
3.5 watts
28,000 ft2 (2,600 m2) in single-channel mode when using the RX22-4 Receiver
18,000 ft2 (1,670 m2) in four-channel mode when using the RX22-4 Receiver
3,500 ft2 (325 m2) in single-channel mode when using the RX14-2 Receiver
3,063 ft2 (285 m2) in single-channel mode when using the RX16 Receiver
(See coverage area diagrams)
Signal-to-Noise Ratio:
Frequency Response:
Total Harmonic Distortion:
Compression:
>75 dB, +3dB
80 to 15,000 Hz, electrical response
Less than .2%, electrical response at 1kHz
Music preset 1:1, Voice preset 1.5:1, Hearing Assist preset 2:1
20 minute timer shuts off carrier when no audio is present
Auto Carrier Shut-Off:
Fig. 1: TX90 Bottom View:
Power Indicator:
Red LED
Audio Volume Level Controls:
Audio Indicators:
Carrier LEDs:
CHA and CHB Input Level, press to select, 28 dB adjustable range
CHA and CHB Audio Level, yellow LED, flash
2 green LED carrier “on” indicators
Phones Output:
Application Preset:
3.5mm TRS headphone jack. CH A tip, CH B ring on jack, 32 ohm headphone (min)
Music, Voice, Hearing Assist. Frequency response; Music: Flat; Voice: Mid-range
boost; Hearing Assist: High frequency boost
Tone Control:
Press to select, 21 dB adjustable range (1 kHz between low boost/hi-cut and low
cut/hi boost).
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
* 90 days on accessories.
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SoundPlus® Infrared System • Model WIR SYS 90 PRO
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Fig. 3: Receiver Coverage Area with TX90 Transmitter in Single Channel Mode
90
80
Feet
Receiver Coverage Area with TX90
Transmitter in Single Channel Mode
70
60
RX22-4 Receiver
RX14-2 Receiver
RX16 Receiver
50
40
30
20
10
0
RX16
RX14-2
RX22-4
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
90 100 110 120 130 140 150 160
10 20 30 40 50 60 70 80
Feet
The coverage area for the TX90 will vary depending on the receiver being used. The diagram
above demonstrates the receiver coverage when operating a single TX90 transmitter in single chan-
nel mode. Patterns are direct radiation patterns.
Note: Reflections of the infrared light from walls, ceilings and floors may change these patterns.
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
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SoundPlus® Infrared System • Model WIR SYS 90 PRO
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Fig. 4: 3-Dimension Foot Pattern
The TX90 floods the listening audience with a
cone shape light pattern as shown here.
The path of the cone shape light leaves a
pattern on the ground, or "foot print, " and
indicates where the strongest receiver
reception will occur.
The actual coverage area will vary depending
on the sensitivity of the receiver being used.
Refer to Figures 3 and 6 to determine how
many emitters are required for 100% coverage
of the listening area.
To determine the best location for the transmitter, it helps to think of the IR transmitter as an invisible
floodlight. You’ll want to aim it so the listeners are “flooded” with the infrared light. The transmitter
should also be positioned high enough so it won’t be blocked by people and other physical obstructions.
See Figure 5 below. Mount the transmitter at least 2 ft. (.61 m) above the audience. Position the transmitter
to face in a slightly downward angle, 20°, that will increase the “throw” of the infrared beam.
Fig. 5: Vertical Beam Spread
Minimum Receiver Range When Operating with a TX90 Transmitter in Single Channel Mode
RX22-4 Receiver:
150' (45 m)
RX14-2: 80' (24 m)
RX16: 70' (21 m)
(Range)
TX90
30'
SCREEN
STAGE
6'
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
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SoundPlus® Infrared System • Model WIR SYS 90 PRO
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Maximum Range When Using the RX22-4 Infrared Receiver
Fig. 6: Horizontal and Vertical Radiation Polar Plots
HORIZONTAL RADIATION POLAR PATTERNS
VERTICAL RADIATION POLAR PATTERNS
DISTANCE FROM EMITTER TO 1 nW/sq cm CONTOUR
DISTANCE FROM EMITTER TO 1 nW/sq cm CONTOUR
– 90
– 80
– 90
– 80
60
60
200
200
– 70
– 70
– 60
– 60
54
48
42
36
30
24
18
12
6
54
48
42
36
30
24
18
12
6
180
160
140
120
100
80
180
160
140
120
100
80
– 50
– 50
– 40
– 40
– 30
– 30
– 20
– 20
60
60
40
40
– 10
– 10
20
20
0
0
10
10
20
20
30
30
40
40
50
50
60
60
70
70
80
80
90
90
1 Channel, 1 nW/sq cm
(Approx. 28000 sq ft, 2600 sq m)
1 Channel, 1 nW/sq cm
2 Channel, 1 nW/sq cm per channel
(Approx. 18000 sq ft, 1700 sq m)
2 Channels, 1 nW/sq cm per channel
4 Channel, 1 nW/sq cm per channel
(Approx. 11000 sq ft, 1000 sq m)
4 Channels, 1 nW/sq cm per channel
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.
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
©2008, Williams Sound Corp. MCAT 065A
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SoundPlus® Infrared System • Model WIR SYS 90 PRO
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Multiple Emitters Installed to Maximize Coverage
Fig. 7a: Overlapping Illumination Patterns to Cover Larger Listening Areas
TX9
TX9
TX9
TX9
Fig. 7a above is a typical example of how multiple emitters are used to cover larger listening areas.
Generally it is desirable for the illumination patterns to overlap. Note: The coverage area will vary depend-
ing on the infrared receiver being used; refer to Figures 3 and 6 to determine how many emitters are
required to achieve full coverage of a listening area.
Fig. 7b: Overlapping Illumination Patterns to Cover Larger Listening Areas
Coverage Area
with Single
Transmitter
TX90
TX9
Coverage Area
with Second Emitter
Added to Same
Emission Point
(50% increase)
When a TX90 transmitter and TX9 emitter are used at the same emission point in single channel mode, the
overall coverage area increases 50%. When using an RX22-4 receiver, as a result, the coverage area will
increase to an estimated 42,000 ft2 (3,902 m2); the RX14-2 will increase to 5,250 ft2 (488 m2); the RX16 will
increase to 4,590 ft2 (426 m2).
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
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SoundPlus® Infrared System • Model WIR SYS 90 PRO
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WIR RX16 Receiver:
Weight:
2.1 oz (60 g) with batteries
Material and Color:
Battery Type, Life:
Operating Range:
ABS plastic, Black and Grey
BAT AP97A NiMH Battery Pack, 6 hours
3,063 ft2 (285 m2) when used with the TX9 emitter or TX90 transmitter in
single-channel mode
Modulation Frequency:
Frequency Response:
Signal to Noise Ratio:
Controls:
2.3 MHz or 2.8 MHz or stereo
200 Hz to 8 kHz, 5 dB
58 dB at 10 m
Volume control thumbwheel
3-position selection switch (2.3 MHz, 2.8 MHz, stereo)
112 dB MAX SSPL90 with 2 cc coupler
Compatible with 2.3 MHz and 2.8 MHz IR transmitters,
WIR TX900 and WIR TX925 systems
Built into receiver “arms”
Acoustic Output:
Compatibility:
Power Switch:
Ear pads:
Uses EAR 031 foam cushions
Approvals:
Warranty:
CE, RoHS
5 years (90 days on battery)
Fig. 8: WIR RX16 Front View
Sound Plus®
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
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SoundPlus® Infrared System • Model WIR SYS 90 PRO
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CHG 516 Multiple Unit Charger
Dimensions:
Weight:
12"L x 6.25"W x 1.5"H (30.48 cm x 15.875 cm x 3.81 cm)
1.04 lbs (.47 kg) excluding power supply
Color:
Black metal and plastic
Power Supply Input:
Power Supply:
Unit Capacity:
Indicators:
Warranty:
120 VAC
TFP 024 12 VDC - 200 mA
5 Units
Individual Charging Indicators: Red LEDs
1 year (90 day warranty on cables and power supply)
Approvals:
Note:
WEEE
Charging specifications are based on Williams Sound Corp. rechargeable NiMH battery, BAT AP97A
Fig. 9: CHG 516
CHG 516 Front-Top View
CHG 516 Rear View
WIR RX16
Receiver
Charging LED
Indicators
TFP 024
AC Power Connection
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
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SoundPlus® Infrared System • Model WIR SYS 90 PRO
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Bid Specs
WIR TX90 Transmitter
The Williams Sound Corp. WIR TX90 transmitter shall consist of an all-in-one modulator and emitter operating on switchable
carrier frequencies of 2.3/2.8 MHz or 3.3/3.8 MHz. The carrier frequency shall use 50 kHz deviation and 50µs pre-emphasis.
The transmitter shall have a range of 28,000 ft2 (2,600 m2) in single channel mode when using the RX22-4 receiver. The trans-
mitter shall be contained in a metal housing with a durable plastic lens. The transmitter shall be convection cooled without
fans. The transmitter shall include an omni-directional mounting bracket for permanent installations. Additional brackets
shall be available for different mounting options.
The transmitter shall provide two channels of selectable carrier frequencies: CH A 2.3/2.8 MHz or CH B 3.3/3.8 MHz. Two trans-
mitters used in tandem shall provide up 4 simultaneous channels.
The transmitter shall have two Phoenix connectors on the back for balanced or unbalanced line input. All controls and indi-
cators shall be accessible on the bottom of the panel of the transmitter.
The transmitter shall have three application presets: Music, Hearing Assistance and Voice accessible by thumbscrew adjuster.
There shall be a 3.5mm stereo headphone jack for monitoring the processed audio before being transmitted.
Two BNC (50Ω) baseband output jacks shall be provided on the back panel for more coverage needs. The TX9 emitter panels
must be used with the TX90 transmitter via RG58 coax cable.
The transmitter shall be powered by an external 24VAC, 50-60 Hz, 35VA power supply. The power connector shall be a three
pin Molex type. Additional emitters shall require individual external power supplies.
The transmitter shall be covered by a five-year warranty on parts and labor. The transmitter shall be the Williams Sound Corp.
model WIR TX90
WIR RX16 Receiver
The receiver shall be a stetho type with an IR detector lens on the face of the unit. The receiver shall have a rotary-type vol-
ume control and the power switch shall be built into the “arms,” so that the unit will automatically shut off when not in
use. The receiver shall operate for 6 hours per charge with 1 BAT AP97A NiMH battery. The receiver shall be housed in a
grey and black ABS plastic case. The receiver shall have a 3-position switch to receive 2.3 MHz, 2.8 MHz or stereo modulated
IR signals. The receiver shall provide 112 dB SSPL90 output. The system electrical frequency response shall be 200 Hz to 8
kHz, and the signal-to-noise ratio shall be 60 dB at 10 m. The receiver shall have CE, RoHS, and WEEE approval. The receiver
shall be covered by a five-year parts and labor warranty, 90 days on the battery.
The receiver shall be the Williams Sound Corp. model WIR RX16.
CHG 516 Charger
The CHG 516 shall be a 5 unit drop-in battery charger and shall charge a maximum of 5 BAT AP97A NiMH batteries while
they are installed into the Williams Sound Corp. WIR RX16 style 3V receivers.
The charger shall be enclosed in metal and plastic measuring 12”L x 6.25”W x 1.5”H (30.48 cm x
15.875 cm x 3.81 cm). The unit shall weigh 1.04 lbs (.47 kg) without power supply, 1.6 lbs (.725 kg) shipping weight.
Each bay on the charger shall have a red LED indicating charging status. The LEDs shall be on constantly during charging.
Receivers can be left in the charger permanently without harm to the batteries.
The charger CHG 516 shall be powered by an external power supply (120 VAC input; 12 VDC, 200 mA output) via a CD bar-
rel connector.
The charger shall be the Williams Sound Corp. model CHG 516.
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
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SoundPlus® Infrared System • Model WIR SYS 90 PRO
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Contact:
United States
Williams Sound Corp.
10321 W. 70th Street
Eden Prairie, MN 55344
Phone: 800-328-6190 or 952-943-2252
Fax: 952-943-2174
Email: [email protected]
Canada
Thorvin Electronics
2861 Sherwood Heights Dr. Units 36-37
Oakville, ON L6J-7K1 Canada
Phone: 800-323-6634 or 905-829-3040
Fax: 905-829-4196
United Kingdom
Sound Associates
Keeble House, 81 Island Farm Road
West Molesey, Surrey KT 2SA
United Kingdom
Phone: (44) 020 8939 5900
Fax: (44) 020 8939 5901
Email: [email protected]
Asia, Australia, Europe, Latin America, South America, South Africa
International Sales Department
Williams Sound Corp.
10321 W. 70th Street
Eden Prairie, MN 55344 USA
Phone: +1 952 224 7791
Fax: +1 952 943 2174
Email: [email protected]
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
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