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Williams Sound SoundPlus Infrared System WIR SYS 90 PRO Specification Sheet

Made by: Williams Sound
Type: Specification Sheet
Category: Stereo Receiver
Pages: 10
Size: 0.62 MB

 

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SoundPlus

®

Infrared System • 

Model WIR SYS 90 ADV

D

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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 advduces 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. Each WIR SYS 90
ADV includes (1) TX90, (5) RX18 receivers, (1) CHG 518 five bay charger.

Dimensions, Weight:

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)

Color:

Black with white legends, black acrylic lens

Power Supply:

Wall Transformer, 24 VAC, 50-60 Hz, 35 VA, 3-pin MOLEX Connector
North America:

TFP 010, UL/CSA

Europe:

TFP 027-01, 2-pin Schuko plug, CE

UK:

TFP 027-02, 3-pin UK plug, CE

Power Cable:

NEC Class 2 wiring, two-conductor, 18 ga., 200’ (61m) max. length

Modulation:

FM Wideband, +50kHz deviation max., 50uS pre-emphasis

Carrier Frequency:

Channel A: Selectable, 2.3/2.8 MHz,
Channel B: Selectable, 3.3/3.8 MHz

Emitter IR Power:

3.5 watts

Coverage Area:

Up to 28,000 ft

2

(2,600 m

2

) in single-channel mode when using the RX22-4 Receiver

Up to 11,000 ft

2

(1,670 m

2

) in four-channel mode when using the RX22-4 Receiver

Up to 3,500 ft

2

(325 m

2

) in single-channel mode when using the RX14-2 Receiver

Up to 3,063 ft

2

(285 m

2

) in single-channel mode when using the RX18 Receiver

(See coverage area diagrams)

Signal-to-Noise Ratio:

>75 dB, +3dB 

Frequency Response:

80 to 15,000 Hz, electrical response

Total Harmonic Distortion:

Less than .2%, electrical response at 1kHz

Compression:

Music preset  1:1, Voice preset  1.5:1, Hearing Assist preset 2:1

Auto Carrier Shut-Off:

20 minute timer shuts off carrier when no audio is present

WIR TX90 Transmitter:

Power Indicator:

Red LED

Audio Volume Level Controls:

CHA and CHB Input Level, press to select, 28 dB adjustable range

Audio Indicators:

CHA and CHB Audio Level, yellow LED, flash

Carrier LEDs:

2 green LED carrier “on” indicators 

Phones Output:

3.5mm TRS headphone jack. CH A tip, CH B ring on jack, 32 ohm headphone (min)

Application Preset:

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).

©2010, Williams Sound Corp.  MCAT 065B

1

Applications:
Cinemas  • Simultaneous Interpretation  •  Audio Description  •  Conferences  •  Multi-Media Rooms
Boardrooms  •  Courtrooms  •  Schools  •  Universities  •  Churches

Fig. 1:  TX90 Bottom View:

NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

* 90 days on accessories.

 

 


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SoundPlus

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Infrared System • 

Model WIR SYS 90 ADV

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NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

Fig 2:  TX90 Rear View

Power Input:

3-Pin Molex, 24 VAC, 50-60 Hz, 35 VA

Audio Input Connector:

CHA and CHB, 3 wire Phoenix

Input Level:

Balanced or unbalanced, 316 mVRMS (-10dBV) nominal, 5.7k input impedance; max
input (over volume range) -21 to +7 dBV.

Baseband Output:

BNC, 50 

, for use with TX9 only

Baseband Cable:

RG 58 Coax, BNC connectors, maximum 1000’ (300m) length

Operating Requirements:

0-50º C (+32°F to 122°F) ambient temperature, non-condensing, non-corrosive atmosphere

Mounting Kits:

Wall or Ceiling Mount: BKT 024 Omnidirectional mount;  
Optional: Tripod Stands: SS-11 or SS-6 

Warranty:

5 years on transmitter, 90 days on accessories

Apadvvals:

CE, FCC, RoHS, WEEE

Compatible Receivers:

WIR RX22-4 Four-Channel Receiver, WIR RX14-2 Two-Channel Receiver, WIR RX18
Two-Channel Receiver

Notes:

Specifications: Single end input, volume & tone controls at mid point, 1 kHz,
“Music” Preset

©2010, Williams Sound Corp.  MCAT 065B

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SoundPlus

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Infrared System • 

Model WIR SYS 90 ADV

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NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

90

Feet

Feet

90 100 110 120 130 140 150 160

80

80

70

70

60

60

50

50

40

40

30

30

20

20

10

10

0

0

-10

-20

-30

-40

-50

-60

-70

-80

-90

RX22-4 Receiver

Receiver Coverage Area with TX9 
Transmitter in Single Channel Mode

RX18 Receiver

RX14-2 Receiver

Fig. 3:  Receiver Coverage Area with TX90 Transmitter in Single Channel Mode

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.

RX22-4

RX14-2

RX18

©2010, Williams Sound Corp.  MCAT 065B

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SoundPlus

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Infrared System • 

Model WIR SYS 90 ADV

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NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

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.

Fig. 6:  Vertical Beam Spread

Minimum Receiver Range When Operating with a TX9 Emitter in Single Channel Mode

RX22-4 Receiver:
150' (45 m)

RX14-2: 80' (24 m)

RX18:  70' (21 m)

SCREEN

30'

STAGE

6'

Center O

f Emitter

Beam

TX9

(Range)

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. 4:  3-Dimension Foot Pattern

Fig. 5:  Vertical Beam Spread

©2010, Williams Sound Corp.  MCAT 065B

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SoundPlus

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Infrared System • 

Model WIR SYS 90 ADV

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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

F

E

E

T

M

E

T

E

R

S

– 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

F

E

E

T

M

E

T

E

R

S

– 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, advperly 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

©2010, Williams Sound Corp.  MCAT 065B

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SoundPlus

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Infrared System • 

Model WIR SYS 90 ADV

D

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NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

TX9

TX9

TX9

TX9

TX90

Coverage Area 
with Single
Transmitter

Coverage Area 
with Second Emitter 
Added to Same 
Emission Point 
(50% increase)

TX9

Fig. 7a:  Overlapping Illumination Patterns to Cover Larger Listening Areas

Multiple Emitters Installed to Maximize Coverage

Fig. 7b:  Overlapping Illumination Patterns to Cover Larger Listening Areas

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.

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 ft

2

(3,902 m

2

); the RX14-2 will increase to 5,250 ft

2

(488 m

2

); the RX18 will

increase to 4,590 ft

2

(426 m

2

).

©2010, Williams Sound Corp.  MCAT 065B

6

 


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SoundPlus

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Infrared System • 

Model WIR SYS 90 ADV

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NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

©2010, Williams Sound Corp.  MCAT 065B

7

Weight:

2.0 oz (56 g) with battery

Material and Color:

ABS plastic, Black and Grey

Battery Type, Life:

BAT AP07D NiMH Battery Pack, 7 hours

Operating Range:

3,063 ft

2

(285 m

2

) when used with the TX9 emitter or TX90 transmitter in single-chan-

nel mode

Modulation Frequency:

2.3 MHz or 2.8 MHz or stereo

Frequency Response:

200 Hz to 8 kHz, ± 5 dB

Signal to Noise Ratio:

60 dB at 10 m

Controls:

Volume control thumbwheel

3-position selection switch (2.3 MHz, 2.8 MHz, stereo)

Acoustic Output:

120 dB MAX SSPL90 with 2 cc coupler

Compatibility:

Compatible with 2.3 MHz and 2.8 MHz IR transmitters,

WIR TX900 and WIR TX925 systems

Power Switch:

Built into receiver “arms”

Ear pads:

Uses EAR 240 silicon eartips

Approvals:

CE, RoHS

Warranty:

5 years (90 days on battery)

WIR RX18 Receiver

WIR RX18 Front View

WIR RX18 Back View

 


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SoundPlus

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Infrared System • 

Model WIR SYS 90 ADV

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NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

©2010, Williams Sound Corp.  MCAT 065B

8

Dimensions: 

12"L x 6.25"W x 1.5"H (30.48 cm x 15.875 cm x 3.81 cm)

Weight: 

1.04 lbs (.47 kg) excluding power supply

Color:

Black metal and plastic

Power Supply Input:

120 VAC

Power Supply:

100-240V / 12VDC TFP 043

Unit Capacity:

5 Units

Indicators:

Individual Charging Indicators: Red LEDs

Warranty:

1 year (90 day warranty on cables and power supply)

Approvals:

WEEE, RoHS

Note:

Charging specifications are based on Williams Sound Corp. rechargeable NiMH battery, BAT AP07D

CHG 518 Multiple Battery Charger:

WIR RX18

Receiver

TFP 043

AC Power Connection

Charging LED

Indicators

CHG 518 Rear View

CHG 518 Front-Top View

 


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SoundPlus

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Infrared System • 

Model WIR SYS 90 ADV

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NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

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 up to 28,000 ft

2

(2,600 m

2

) in single channel mode when using the RX22-4 receiver.  The

transmitter shall be contained in a metal housing with a durable plastic lens.  The transmitter shall be convection cooled with-
out fans.  The transmitter shall include an omni-directional mounting bracket for permanent installations.  Additional brack-
ets shall be available for different mounting options.

The transmitter shall advvide 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 advvide 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 advcessed audio before being transmitted.

Two BNC (50

) baseband output jacks shall be advvided 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 RX18 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 7 hours per charge with 1 BAT AP07D 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 advvide 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 apadvval. 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 RX18.

CHG 518 Charger

The CHG 518 shall be a 5 unit drop-in battery charger and shall charge a maximum of 5 BAT AP07D NiMH batteries while
they are installed into the Williams Sound Corp. WIR RX18 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 518 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 518.

©2010, Williams Sound Corp.  MCAT 065B

9

 


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SoundPlus

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Infrared System • 

Model WIR SYS 90 ADV

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NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

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
Web: www.williamssound.com
Email: info@williamssound.com

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
Web: www.thorvinelectronics.com

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
Web: www.soundassociates.co.uk
Email: jmurdoch@soundassociates.com

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:  info@williamssound.com
Web:  www.williamssound.com

Contact:

©2010, Williams Sound Corp.  MCAT 065B

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