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Sonifex Provides a Reference

Each 1U device offers loudspeaker monitoring and high-resolution metering of up to four or 10 stereo audio sources.

(click thumbnail)Sonifex will display its Reference Monitor series of rack-mount audio monitors.

They include the RM-2S4 Reference Monitor (two LED meters, four stereo channel audio inputs), the RM-2S10 (two LED meters, 10 stereo channel audio inputs) and RM-4C8 (four LED meter, eight channel inputs, dual selectors).

Each 1U device offers loudspeaker monitoring and high-resolution metering of up to four or 10 stereo audio sources, and more with the addition of an optional expansion card.

Sources may be in any mixture of analog and AES/EBU digital formats, with sample rates up to 192 kHz accepted and a five-band parametric EQ can be used to tailor the unit for the room it is mounted in. Sources are selected via a rotary encoder, with LED indication of the selection. A pair of line-level audio outputs, configurable as analog or AES/EBU digital, follow the selected source at either a fixed level or one mirroring the loudspeaker volume. The level of the chosen source is displayed on a pair of multicolored 53-segment bargraph meters, with a choice of seven scales/responses to suit different applications and local preferences. A separate phase meter indicates channel correlation or phase error conditions.

On the rear, open-collector alarm outputs provide hardware indication of sustained underlevel, overlevel and phase errors. Six illuminated pushbuttons provide access to a range of audio modifiers including instant dimming of the volume, muting of each audio channel, stereo-to-mono conversion, phase inversion and Middle+Side transcoding. On the rear, logic-level inputs allow direct remote access to the DIM and MUTE functions. The three-way loudspeaker system is fed via a DSP-based active crossover and three Class-D amplifiers. Careful attention to driver selection, materials and case design, plus active DSP equalization, provides flat response. Each unit can be accessed remotely via USB and RS-232 connections.

An optional addition is an HD video input expansion card, allowing multiple AES groups embedded within an HD-SDI or SD-SDI signal to be de-embedded and monitored.

Booth: N4919

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