Electro-Voice introduces the RCM-28 DSP and OMNEO network card designed for the EV Tour Grade power amplifiers.
The RCM-28 is a dual channel, digital controller module which, in addition to DSP functions also features a redundantly implemented OMNEO network interface. Via IRIS-Net software, all of a Tour Grade power amplifier network and system parameters can be supervised and controlled remotely.
The RCM-28 module is the first EV product to support the new OMNEO media networking architecture. With RCM-28 modules, Tour Grade series amplifiers can be integrated within OMNEO/Dante networks with up to 100 other devices without additional hardware.
The RCM-28 offers a digital AES 3 (AES/EBU) input with a loop-through possibility and a dynamic range of 128 dB, while two analog inputs and the same number of analog outputs are available via XLR connections (116 dB SNR). The transmission of several hundred audio channels is possible over the network. Furthermore, in each case two input and output signals in OMNEO/Dante format—with a sampling rate of 48 kHz—can be received or transmitted. A third additional channel can also be transmitted for remotely monitoring the audio signal path at the amplifier. The module covers the frequency range from 20 Hz to 20 kHz, the internal latency being 1.5 ms (AES 3 In / Analog Out) and 2.375 ms (Analog In / Out) respectively. The A/D and D/A converters operate in 24-bit resolution and the DSP processing of the 500 MIPS dual core processors is performed in 48-bit resolution.
In addition to standard functions for signal processing, multi-band parametric equalizers, delays for inputs and outputs (as well as additional FIR filters on the output side) and crossovers and limiters are all available. Two RJ-45 ports for the OMNEO network and four freely configurable GPIO control ports (2 x GP1, 2 x GPO) serve as interfaces.
The price of the RCM-28 was not communicated. All the details are available on www.electrovoice.com.
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