Williams Sound WIR TX90 Bedienungsanleitung

SoundPlus®

Infrared Transmitter • Model WIR TX90

SoundPlus®

Infrared Transmitter • Model WIR TX90



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.

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: 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: >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).

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.

SoundPlus®

Infrared Transmitter • Model WIR TX90

SoundPlus®

Infrared Transmitter • Model WIR TX90



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 Ω, 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

Approvals: CE, FCC, RoHS, WEEE

Compatible Receivers: WIR RX22-4 Four-Channel Receiver, WIR RX14-2 Two-Channel Receiver,

WIR RX16 Two-Channel Receiver

Notes: Specifications: Single end input, volume & tone controls at mid point, 1 kHz,

“Music” Preset

SoundPlus®

Infrared Transmitter • Model WIR TX90

SoundPlus®

Infrared Transmitter • Model WIR TX90



NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

Feet

Feet 90 100 110 120 130 140 150 160

-10

-20

-30

-40

-50

-60

-70

-80

-90

RX22-4 Receiver

Receiver Coverage Area with TX90

Transmitter in Single Channel Mode

RX16 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

RX16

SoundPlus®

Infrared Transmitter • Model WIR TX90

SoundPlus®

Infrared Transmitter • Model WIR TX90



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.

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)

SCREEN

30'

STAGE

Center Of Emitter Beam

TX90

(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

SoundPlus®

Infrared Transmitter • Model WIR TX90

SoundPlus®

Infrared Transmitter • Model WIR TX90



NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

Maximum Range When Using the RX22-4 Infrared Receiver

100

120

140

160

180

200

FEET

METERS

– 90 – 80

– 70

– 60

– 50

– 40

– 30

– 20

– 10

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

100

120

140

160

180

200

FEET

METERS

– 90 – 80

– 70

– 60

– 50

– 40

– 30

– 20

– 10

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

SoundPlus®

Infrared Transmitter • Model WIR TX90

SoundPlus®

Infrared Transmitter • Model WIR TX90



NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

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 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).

SoundPlus®

Infrared Transmitter • Model WIR TX90

SoundPlus®

Infrared Transmitter • Model WIR TX90



NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

Receiver Style: Body-Pack, dual-lens detector, lanyard

Size: 4.5" L x 2.85" W x 1.2" H (114.3 mm x 72.4 mm x

30.4 mm)

Weight: 4.6 oz (130 g) with batteries

Color and Material: Black

Lanyard: 3 ft (.91 m), allows receiver to be worn around the neck

Operating Temperature: -10° C to +50° C

Battery Type: 2 x AA, alkaline (BAT 001) or NiMH (BAT 026)

Battery Life: Alkaline: 60 hours, NiMH: 30 hours/charge

Battery Drain: 25 mA, nominal

Charging Contacts: For use only with CHG 3512

Carrier Frequency: Channel 1: 2.3 MHz, Channel 2: 2.8 MHz

Channel 3: 3.3 MHz, Channel 4: 3.8 MHz

De-Emphasis: 50 uS

FM Deviation: ±50 kHz

Signal-to-Noise Ratio: 60dB min.

Squelch: Receiver squelches (mutes) at 40 dB S/N ratio

Frequency Response: 25 Hz to 16 KHz, +1 dB, -3 dB, electrical response

Total Harmonic Distortion: Less than 1%, electrical response

Controls: ON/OFF/VOLUME: combination thumbwheel knob

Channel Selector: four-position rotary switch

Indicators: Red LED “ON” indicator, flashes to indicate Low battery

Audio Output Jacks: 3.5 mm stereo mini phone jack

Accepts 3.5 mm mono or stereo phone plug

Audio Output Power: 15 mW max at 32 Ω

Acoustic Output: 110 dB SSPL90 w/ EAR 013

Sensitivity: Better than 1 nW/cm2for 40 dB signal-to-noise ratio

Approvals: CE, FCC, RoHS, WEEE

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

RX22-4 Top

On/Off

Volume Switch

Earphone

Jack

"On"

Indicator LED

Channel

Selector Knob

OFF

Optional WIR RX22-4 Receiver:

Fig. 8: WIR RX22-4 Receiver

SoundPlus®

Infrared Transmitter • Model WIR TX90

SoundPlus®

Infrared Transmitter • Model WIR TX90



NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

Optional WIR RX14-2 Receiver

Receiver Style: Headset

Earpad Size: 2.5" (6.5 cm) diameter, adjustable headband

Weight: 6.7 oz (191 g) without batteries

Color and Material: Black, plastic

Operating Range: Up to 3,500 ft2(325 m2) when using a single WIR TX90 Transmitter

Battery Type: AAA Alkaline batteries (BAT 010)

Battery Life: Alkaline: 50 hours

Battery Drain: 25 mA, nominal

Controls: ON/OFF switch

(2) Thumbwheel volume control knob, left and right

(1) Frequency push-button selector, 2.3 MHz or 2.8 MHz

Acoustic Output: 118 dB MAX SSPL90, +/- dB with 6 cc coupler

Warranty: 1-year warranty (excludes physical damage)

Approvals: CE, RoHS

OFF

Volume

On/Off

Infrared "Eye"

AAA

Battery

Compartment

+–

Right Earphone

Frequency

Selector: 2.3 MHz

or 2.8 MHz

Infrared "Eye"

Volume

Left Earphone

+–

AAA

Battery

Compartment

Fig 9: WIR RX14-2 Side View

SoundPlus®

Infrared Transmitter • Model WIR TX90

SoundPlus®

Infrared Transmitter • Model WIR TX90



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 28,000 ft2(2,600 m2) 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 convec-

tion cooled without fans. The transmitter shall include an omni-directional mounting bracket for permanent instal-

lations. 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 transmitters 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 indicators 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 emit-

ter 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

SoundPlus®

Infrared Transmitter • Model WIR TX90

SoundPlus®

Infrared Transmitter • Model WIR TX90



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: [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

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: [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]

Web: www.williamssound.com

Contact:

Andere Handbücher für WIR TX90

Andere Williams Sound Sender Handbücher

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