Electro-Voice and Dynacord target real time Hi-Z monitoring

Electro-Voice and Dynacord target real time Hi-Z monitoring

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Electro-Voice and Dynacord have launched the LML-1 (loudspeaker measuring load) module for the supervision of high-impedance (Hi-Z) loudspeaker lines by multichannel amplifiers.

In particular, the manufacturers designed the LML-1 for applications such as evacuation systems, in which long loudspeaker circuits comprising many smaller, high-impedance boxes are often required. The Electro-Voice CPS series and Dynacord DSA series multichannel amplifiers already provide 100V-line direct drive operation for these types of loudspeaker circuits. But the respective brands acknowledged that in the past, supervision of such Hi-Z lines was not practical due to the high impedance characteristics of the load.

With the LML-1 module, it is now possible – even in large installations such as stadia or shopping centres – for smaller 100V loudspeakers in entrance areas, lobbies or passageways, to be driven by multichannel amplifiers from Electro-Voice or Dynacord, supervised using Iris-Net software.

The LML-1 is supplied in quantities of four pieces, and is connected to the end of the loudspeaker line and powered using an inaudible pilot tone to provide a stable load condition. This load can then be reliably measured using the existing load supervision functions of the Electro-Voice CPS and Dynacord DSA series amplifiers.

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Web: www.electrovoice.com
Web: www.dynacord.com  

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