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SoundPlus
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Value Courtroom System • Model WIR SYS 2
SoundPlus
®
Value Courtroom System • Model WIR SYS 2
D
D
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
©2006, Williams Sound Corp. MCAT 028D
1
Description:
The Value Courtroom System, model WIR SYS 2, is the ideal hearing assistance package for courtrooms with limited
budget resources. Participants wear headset style receivers to listen to the courtroom proceeding at the volume of
their comfort level anywhere in a 4,000 ft
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area. For the severely hard of hearing, the RX22-4 receiver can be used with
a neckloop (included) to amplify the participant’s telecoil equipped hearing aid. SoundPlus infrared technology
ensures privacy and security: the message of the proceeding will not travel outside the walls of the courtroom.
Each WIR SYS 2 package includes: one (1) TX9 emitter, one (1) MOD 232 modulator, three (3) headset RX14-2 receivers,
one (1) RX22-4 receiver, one (1) HED 021 Headphone, one (1) NKL 001 neckloop and one (1) RPK 005 rack panel kit.
The WIR SYS 2 meets and exceeds government ADA regulations for public hearing assistance, and is backed by a five-
year warranty.*
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)
MOD 232 Modulator:
Two Channel Infrared System Modulator
Williams Sound
Power
Phones
+9
+6
+3
0
-3
-6
-9
-12
-15
-18
+9
+6
+3
0
-3
-6
-9
-12
-15
-18
3.8
3.3
2.8
2.3
Level
5
0
1
2
3
46
7
8
9
10
Level
5
0
1
2
3
46
7
8
9
10
Compress
3.8
3.3
2.8
2.3
Compress
Inputs Mixed
Stereo
IR
CH A
CH B
Frequency
(MHz)
Frequency
(MHz)
Channel A Channel B
Microprocessor Controlled
Frequency Synthesized
Fig. 1: MOD 232 Front Panel
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.
ADA COURTROOM ASSISTIVE LISTENING SYSTEM
*90 days on accessories.