ELECTRO-VOICE® LAUNCHES
RTM-1 WIRELESS SYSTEM FOR USE IN ROOM ANALYSIS

PRESS RELEASE
FOR IMMEDIATE RELEASE

Electro-Voice Wired Microphone and Telex Wireless Technology Come Together in Design of New Wireless Microphone System for Use with Audio Analyzers

New York (November 30, 2001): EV (Electro-Voice®) is announcing a new wireless microphone system, the RTM-1 (Remote Test Microphone), at AES, Booth #606. The RTM-1 is a wireless system designed for use with audio analyzers, allowing the engineer to test many different points in a large room or arena without having to move the measurement gear. Behind the unique design of the RTM-1 is the ability to defeat the companding circuit, thus facilitating the transmission of audio signals without the typical distortion or coloration present in standard wireless microphones.

Bill Gelow, director of engineering for loudspeaker products at EV remarks, “The EV wireless test mic link is what anyone doing acoustic measurements in large spaces needs! Without the burden of hundreds of feet of cable, more measurement locations can be used and in less time. We have been able to measure system response during shows from the front rows into balconiesævery useful when using line arrays.”

The RTM-1 includes a _-rack receiver with matched _-wave collinear ground independent antennas, a mic stand mounting clip for the transmitter, a metal micro-pack transmitter and a LEMO connector to XLR microphone cord. The RTM-1 operates for up to 12 hours on one 9-volt alkaline battery for uninterrupted testing.

RTM-1 systems are available in frequencies from 566 MHz to 662 MHz and exhibit a frequency response of 50-15,000 Hz at +/- 1 dB. The receiver signal-to-noise ratio is 110 dB, typical with the compander circuit engaged.

RTM-1 systems are available for immediate order and three week delivery. The RTM-1 is priced at $1,700.

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