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Basic Courtroom System • Model WIR SYS 1
SoundPlus
®
Basic Courtroom System • Model WIR SYS 1
D
D
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
Description:
The Basic Courtroom System, model WIR SYS 1, is the complete hearing assistance solution for the courtroom.
Listeners wear wireless RX22-4 receivers to hear the proceeding anywhere in a 28,000 ft
2
area**. For the severely
hard of hearing, the RX22-4 can be equipped with a neckloop (included) to amplify their telecoil equipped hear-
ing aid. SoundPlus infrared technology ensures privacy and security: the message of the proceeding doesn’t travel
outside the walls of the courtroom.
Each WIR SYS 1 package includes: one (1) TX9 emitter, one (1) MOD 232 modulator, four (4) body-pack style RX22-4
receivers, four (4) HED 021 Headphones, one (1) neckloop and one (1) RPK 005 rack panel kit. The WIR SYS 1 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
©2006, Williams Sound Corp. MCAT 027D
1
**In single channel mode with TX9 emitter
* 90 days on accessories.