SoundPlus® Infrared System • Model WIR TX925

SoundPlus® Infrared System • Model WIR TX925

D

Description:

The WIR TX925 is ideal for simultaneous language interpretation for up to two languages. It can operate up to 18,000 sq ft in two channel mode or 28,000 in single channel mode. Operating on 2.3 and 2.8 MHz, the WIR TX925 is less susceptible to traditional radio and lighting interference. Listen to the program with the optional RX22-4 four-channel receiver, RX14-2 two-channel receiver or the RX16 two-channel/stereo receiver.

Applications:

•Simultaneous Interpretation • Audio Description • Media Rooms • Conferences • Boardrooms • Courtrooms

•Schools • Universities • Cinemas • Churches

MOD 232 Modulator:

Size, Weight:

8.5" W x 8.2" D x 1.7" H (21.5 cm x 20.8 cm x 4.4 cm), 3.1 lbs (1.5 kg)

Color:

Black epoxy paint with white legends

Rack Mount:

1/2 rack space wide, 1 rack space high, one or two modulators may be mounted in a

 

single IEC rack space with RPK 005 (single) or RPK 006 (double) Rack Mount Kits

Power Supply:

Wall Transformer, 24VAC, 50-60 Hz, 15VA

 

North America:

TFP 016, UL/CSA

 

Europe:

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

 

UK:

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

Modulation:

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

Carrier Frequency:

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

 

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

Signal-to-Noise Ratio:

More than 60dB

 

Frequency Response:

30 to 16,000 Hz, +1 dB, -3 dB, electrical response

Total Harmonic Distortion:

Less than 2%, electrical response

Audio Processing:

Compression (slope) adjustable from 1:1 to 4:1

 

Switchable compression gain: Moderate: 16 dB. Max: 33 dB

Auto Carrier Shut-Off:

15-minute timer shuts off carrier when no audio is present (can be disabled)

Fig. 1: MOD 232 Front Panel

Two Channel Infrared System Modulator

 

 

 

 

 

 

 

Williams Sound

Microprocessor Controlled

 

 

+9

3.8

 

 

 

 

 

+9

3.8

 

Inputs Mixed

Frequency Synthesized

 

 

 

 

 

 

 

 

 

 

5 6

 

+6

 

 

 

5

 

 

+6

 

 

Phones

 

4

 

+3

3.3

Compress

4

6

 

+3

3.3

Compress

 

3

 

7

0

 

 

3

 

 

7

0

 

 

Stereo

 

 

- 3

2.8

 

 

 

- 3

2.8

 

Power

2

 

8

-6

 

 

2

 

 

8

-6

 

 

 

 

-9

2.3

 

 

 

-9

2.3

 

CH A

 

1

 

9

 

1

 

 

9

 

 

10

-12

Frequency

 

 

10

-12

Frequency

 

IR

 

0

 

-15

 

0

 

 

-15

 

 

 

Level

 

-18

(MHz)

 

Level

 

-18

(MHz)

 

 

 

 

 

 

 

 

 

 

 

CH B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Channel A

 

 

 

 

 

 

Channel B

 

 

 

Power Switch:

Two-position push button, ON/OFF

Power Indicator:

Green LED

Audio Level Controls:

CHA and CHB Input Level, rotary knobs

Audio Indicators:

CHA and CHB Audio Level, 10-segment LED’s

Carrier LEDs:

4 green LED carrier “on” indicators per channel (indicates frequency, malfunctions)

Compress Control:

1:1 to 4:1

Input Mix LED:

Indicates inputs A and B audio are mixed and transmitted by CHA, CHB off

Stereo LED:

Indicates stereo mode

Phones Switch:

Selects CH1 or CH2 for phones when not in stereo mode

Phones Output:

1/4" TRS headphone jack. Accepts stereo, mono, and any impedance phones.

Infrared Test LED:

IR LED for receiver testing, monitoring, and audio signal testing.

NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

 

©2006, Williams Sound Corp. CAT 097G

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Williams Sound specifications SoundPlus Infrared System Model WIR TX925, Description, MOD 232 Modulator
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WIR TX925 specifications

The Williams Sound WIR TX925 is a robust and innovative assistive listening transmitter that has gained recognition for its exceptional audio quality and user-friendly design. This device is an essential tool in enhancing the listening experience for individuals with hearing impairments, making it a valuable asset for classrooms, theaters, and various public venues.

One of the standout features of the WIR TX925 is its versatile operating frequency. It operates within the 72-76 MHz frequency range, which is ideal for achieving clear and uninterrupted audio transmission. This frequency range is favored for its minimal interference with other electronic devices, ensuring that users enjoy a reliable listening experience without distortion or dropout.

The transmitter supports a wide range of audio sources, making it adaptable to various applications. Whether it is used with microphones, audio systems, or even laptops, the WIR TX925 easily integrates with existing equipment, making it a convenient choice for end-users. The device includes an input/output jack that can accommodate diverse audio connections, enhancing its versatility in different settings.

Additionally, the WIR TX925 features robust transmission capabilities. It has an impressive transmission range, allowing broadcasts to reach multiple users without losing audio quality. This is particularly beneficial in larger venues where distance can affect sound clarity. The transmitter also incorporates advanced technology that minimizes background noise, ensuring that the primary audio signal remains crisp and intelligible.

User-friendly functionality is another hallmark of the WIR TX925. Its intuitive controls make it easy for both operators and users to adjust settings and manage audio outputs. LED indicators provide visual feedback on the device's operational status, enabling users to monitor performance easily.

The device is also designed with portability in mind. Its compact and lightweight form factor makes it easy to transport and set up, making it an ideal solution for temporary installations or events. The durable construction ensures that the WIR TX925 can withstand the rigors of regular use while maintaining performance integrity.

Overall, the Williams Sound WIR TX925 is a high-quality assistive listening transmitter that combines advanced technology, ease of use, and flexibility. Its broad frequency range, excellent transmission capabilities, and user-friendly design make it an invaluable resource for enhancing auditory accessibility in various environments. Whether for educational purposes, live events, or public spaces, the WIR TX925 stands out as a reliable and efficient solution for those seeking to improve the listening experience for individuals with hearing challenges.
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