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Side by Side: Mic Processors

Side by Side: Mic Processors

Feb 1, 2012 1:30 AM

The human voice is capable of a wide dynamic range, which is why it makes sense to run a station’s mics through a mic processor. Used properly, a processor smooths the dynamic extremes and can add some presence to the on-air voices.

Some modern mixing engines provide dynamics processing, so an external processor may not be needed. But processing is as much art as it is science, and the right processor may have just the sound you seek.

Like most equipment categories, there are mic processors that seem to be a ubiquitous choice for many stations. The Symetrix 528E is a popular model. The DBX 286A and 286S are also commonly used. In this Side by Side we look at some other options.

All these units are 1RU. We noted the rack depth as well. The features of these units range from rather basic (but effective) dynamics and EQ to multiple-preset, software-accessable workhorses.

ModelAirtools Voice Processor 2xAphex ChannelPresonus EurekaVorsis M1Channels2111Inputsmic or line (XLR)mic (XLR), instrumentmic (XLR), line (1/4″ TRS), instrument (1/4″)Mic (XLR)Input Impedance6.67kO>2kO50O-2.5kO selectable (mic), 10kO (line)>2kOOutputsline (XLR), AES3line (XLR, 1/4″ TRS), AES3, S/PDIF, opticalline (XLR and 1/4″ TRS), optional AES3 & S/PDIFmc/line (XLR), AES3Output Impedance200O66O (XLR), 600O (TRS)51O<10OOutput Sample Rates (kHz)adjustable44.1, 48, 88.2, 9644.1, 48, 88.2, 96, 176.4, 19244.1, 48, 96Meteringinput, outputoutput, gain reductioninput, output or gain reductioninput/out, de-esser, compressor, expanderFront-panel ControlLCD menuyesyesyesSoftware ControlWindows app – -Windows appRemote Controlremote port, Ethernetcough switch -EthernetPhantom Power48V48V48V36VMax Gain70dB65dB52dB70dBPresets50 via front panel & remote11via softwarePhase Rotatorvoice symmetry circuityesnoyesDe-esseryessplit-band universal -recursive-styleFiltersadjustable high-pass, low-passlow-cuthigh-passhigh-pass, low-passEQ4-band (low shelf, high shelf, parametric mids)single-band parametric, Aphex Aural Exciter, Big Bottom3-band parametric4-band (low shelf, high shelf, parametric mids)Compressorsingle-bandsingle-bandsingle-bandsingle-bandExpander/Gatedownward expanderlogic-assisted gate -downward expanderUnit Depth9.1″8.25″7″10″Other Models – -Studio Channel, TubePreM2 (dual channel)MSRP$1,979 $1,299 $700 $899