SoundPlus® Infrared System • Model WIR SYS 90V
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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 90V
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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 90V
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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 90V
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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 064A
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SoundPlus® Infrared System • Model WIR SYS 90V
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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!
©2008, Williams Sound Corp. MCAT 064A
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SoundPlus® Infrared System • Model WIR SYS 90V
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WIR RX22-4 Receiver:
Fig. 8: WIR RX22-4 Receiver
Receiver Style:
Size:
Body-Pack, dual-lens detector, lanyard
4.5" L x 2.85" W x 1.2" H (114.3 mm x 72.4 mm x
30.4 mm)
4.6 oz (130 g) with batteries
Black
3 ft (.91 m), allows receiver to be worn around the neck
-10° C to +50° C
2 x AA, alkaline (BAT 001) or NiMH (BAT 026)
Alkaline: 60 hours, NiMH: 30 hours/charge
25 mA, nominal
Channel
Selector Knob
Earphone
Jack
Weight:
Color and Material:
Lanyard:
Operating Temperature:
Battery Type:
Battery Life:
Battery Drain:
Charging Contacts:
Carrier Frequency:
OFF
"On"
On/Off
Indicator LED Volume Switch
For use only with CHG 3512
RX22-4 Top
Channel 1: 2.3 MHz, Channel 2: 2.8 MHz
Channel 3: 3.3 MHz, Channel 4: 3.8 MHz
50 uS
De-Emphasis:
FM Deviation:
50 kHz
Signal-to-Noise Ratio:
Squelch:
Frequency Response:
Total Harmonic Distortion:
Controls:
60dB min.
Receiver squelches (mutes) at 40 dB S/N ratio
25 Hz to 16 KHz, +1 dB, -3 dB, electrical response
Less than 1%, electrical response
ON/OFF/VOLUME: combination thumbwheel knob
Channel Selector: four-position rotary switch
Red LED “ON” indicator, flashes to indicate Low battery
3.5 mm stereo mini phone jack
Accepts 3.5 mm mono or stereo phone plug
15 mW max at 32 Ω
Indicators:
Audio Output Jacks:
Audio Output Power:
Acoustic Output:
Sensitivity:
110 dB SSPL90 w/ EAR 013
Better than 1 nW/cm2 for 40 dB signal-to-noise ratio
CE, FCC, RoHS, WEEE
Approvals:
Warranty:
5 years on receiver, 90 days on accessories
Compatible Headphones/Earphones: Mono or stereo, 8-32 ohms, 3.5 mm mini phone plug,
HED 021, HED 026, EAR 013, EAR 014, EAR 022, NKL 001
RX22-4 Front
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
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SoundPlus® Infrared System • Model WIR SYS 90V
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WIR RX14-2 Receiver
Receiver Style:
Earpad Size:
Weight:
Color and Material:
Operating Range:
Battery Type:
Battery Life:
Battery Drain:
Controls:
Headset
2.5" (6.5 cm) diameter, adjustable headband
6.7 oz (191 g) without batteries
Black, plastic
Up to 3,500 ft2 (325 m2) when using a single WIR TX90 Transmitter
AAA Alkaline batteries (BAT 010)
Alkaline: 50 hours
25 mA, nominal
ON/OFF switch
(2) Thumbwheel volume control knob, left and right
(1) Frequency push-button selector, 2.3 MHz or 2.8 MHz
118 dB MAX SSPL90, +/- dB with 6 cc coupler
1-year warranty (excludes physical damage)
CE, RoHS
Acoustic Output:
Warranty:
Approvals:
Fig 9: WIR RX14-2 Side View
Right Earphone
Left Earphone
Infrared "Eye"
Infrared "Eye"
AAA
Battery
Compartment
AAA
Battery
Compartment
Frequency
Selector: 2.3 MHz
or 2.8 MHz
On/Off
+
–
+
–
Volume
Volume
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
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SoundPlus® Infrared System • Model WIR SYS 90V
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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 RX22-4 Receiver
The receiver shall be a body-pack type with IR detector lens behind face of the unit. The unit shall have a lanyard for hands-
free operation. The receiver shall have a rotary-type volume control. The receiver shall operate for 60 hours with two AA
alkaline batteries and for 30 hours per charge with NiMH AA batteries. The receiver shall be charged without battery
removal via charger contacts in the case. A drop-in charger accessory shall recharge the batteries in 8 hours when used with
CHG 3512 charger. The receiver shall be housed in an impact resistant plastic case with a hinged battery door that does not
separate from the receiver. The receiver shall receive 2.3 MHz, 2.8 MHz, 3.3 MHz or 3.8 MHz modulated IR signals with 50 µS
de-emphasis. The receiver shall have a 3.5 mm stereo phone jack and accommodate low-impedance mono or stereo ear-
phones and headphones. The receiver shall accommodate neckloop telecoil couplers. The receivers shall provide 110 dB
SSPL90 output with EAR 013 earbud-type earphone.
The system electrical frequency response shall be 25 Hz to 16 kHz, +1, -3 dB and the signal-to-noise ratio shall be 60 dB. The
receiver shall have CE, FCC, RoHS, and WEEE approval. The receiver shall be covered by a five-year parts and labor warranty,
excluding earphones, headphones, batteries and chargers.
The receiver shall be the Williams Sound Corp. model WIR RX22-4.
WIR RX14-2 Receiver
The receiver shall be a headset style with IR detectors positioned on top of each individual earphone. The receiver shall
operate on 2.3 MHz or 2.8 MHz frequency. The receiver shall have an individual rotary-type volume control on each individ-
ual earphone and a on/off selection switch on the right earphone. The receiver shall have a push button frequency selector
to choose between 2.3 MHz or 2.8 MHz operation. The receiver shall provide 118 dB SSPL90 output, +/- 1 dB, and a signal-
to-noise ratio of 58 dB. The receiver shall operate up to 50 hours when using AAA alkaline non-rechargeable batteries. The
receiver shall be encased in a black, plastic case. The receiver shall operate up to 3,500 ft2 (325 m2) when using a single WIR
TX9 Emitter. The receiver shall have CE, RoHS, and WEEE approval and be covered by a one-year parts and labor warranty,
not including batteries or accessories.
The receiver shall be the Williams Sound Corp. model WIR RX14-2.
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
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SoundPlus® Infrared System • Model WIR SYS 90V
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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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