Audex Assistive Listening Systems

Unique And Innovative Solutions For Hearing Impaired People

National Association of the Deaf
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EX-PS3-C

Technical Specifications

Coverage Pattern

Cable Length Table

165 Diode Microphone Level IR Emitter

Microphone Level Infrared Emitter/Slave

The EX-PS3-C Emitter/Slave is a member of the popular Audex family of 95KHz broad band transmitters. Featuring 165, eighty degree high power diodes, this emitter produces a broad, deep pattern well suited to meeting rooms, courtrooms, auditoriums, theaters, and other entertainment facilities, and out-of-door venues in theme parks and other public facilities. Mounted at a height of 15’ to 30’, the coverage pattern resembles a top, with an area up to 6,000 square feet. Using the Audex COC circuit, this unit emits with 92% efficiency, insuring maximum coverage for all applications. The circuit adjusts diode drive levels due to varying ambient temperatures. This feature, coupled with the overall light producing capabilities, and the efficiency of the REC-T3 neckloop receiver, allows Audex to offer effective infrared performance even out of doors in daylight. This means multiple areas in a park, auditorium, university, or convention center can use one frequency and therefore one set of receivers carried from venue to venue by the hearing impaired patron. Since the Audex LighthLink REC-T3 receiver is resistant to electronic ballast lighting interference, all of the advantages of 95KHz broadband technology is available with this emitter system for courts, universities, and other government facilities.

In addition to its impressive light generating capabilities, the EX-PS3-C offers flexibility not found in other brands of infrared, particularly for use in auditoriums and hotel meeting rooms as a portable system. Inputs directly to the emitter, when used in the master mode, include line level and up to four, mixed 2000 Ohm electret microphone level inputs. In a meeting room, when a sound system is not available, up to four microphones can be plugged directly into the emitter. When the unit is in the slave mode, it receives its signal and power, or signal only from the previous emitter or base unit. Power can be provided locally by plugging into the Expansion Input power jack. In the master or slave setting, the expansion output jack allows signal or signal and power to be provided to additional emitters through 18 ga., three conductor speaker wire. The daisy chain can be as long as needed, allowing for coverage of any sized area. In hotels, this one emitter can be used in any size room without the need for an installed sound reinforcement system. As a traveling system, there is never any need to carry extra sound equipment to provide input to the emitter. In very large rooms, the unit can serve as a master or slave, making this a uniquely versatile design.

Permanent mounting requires only one installer using a special Omni-Mount bracket attached to the back or end of the unit by internal, permanently fixed threaded nuts. This bracket allows rotation in two planes, making precise focusing quick and easy. Fifteen red LED’s on the bottom of the unit, provide easy monitoring of the infrared emitting diodes. Custom Colors are available at a small additional cost.

With its combination of unique features, the EX-PS3-C is a leader in infrared technology for hearing impaired people!

     

    General Specifications:

Weight: 3 lbs.

Dimensions: 11.75”w x 6.25”h x 2”d

Freq. Resp: 100-20KHz

THD: Typically<2%

Diodes: 165 eighty degree diodes @940nM

Diode Life: >100,000hrs

    Power Source:

Low Voltage DC supplied by “EX” series base or emitter, or one 24VAC transformer plugged into the Expansion Input power jack.

    Inputs/Outputs:

Expansion Input (one)

 Receives signal and power, or signal only through one XLR port.

Expansion Output (one)

 Sends signal & power, or signal only through XLR port.

Auxiliary Input: 0 dBm operational from 200mV to 5 V peak-to-peak.

 Mic. Level Inputs:

 Four 2K Ohm, unbalanced electret, ¼” mono jacks, mixed internally.

Adjustability: AGC circuit automatically adjusts input audio sensitivity.

    Functions/Modes:

Carrier Freq: 95kHz 

Coverage:  Up to 6,000 ft2

Five Year Limited Warranty

 

Cable Recommendations

EX-P-C Cable Recommendations

 

Coverage Pattern

EX-P-C Coverage Pattern
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