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VCM-88C Eight Channel VCA

General Specifications Spec Sheet Manual RD-8C, RW-8C Protea System Software

Front Panel

Front Panel

The VCM-88C is intended for installations that include houses of worship, boardroom, nightclub, school auditoriums, as a personal monitor mix, or anywhere remote control of individual levels is required. To assure tamperproof operation, all front panel controls are recessed and all connections and power on/off are located on the rear panel.

Housed in an all-steel, 1RU chassis, the eight fully independent channels provide limiting, remote level control and mixing. Each channel has separate ¼” TRS input and output jacks for patching into line-level signal paths. The VCM-88C controls individual channel and master levels with a range of +20dB to –75dB. It is also possible to pass a channel’s input directly to its output jack, eliminating the need for extra “Y” cables when daisy-chaining. Additionally, each input can be internally routed to one or more channel inputs, particularly useful when used for distributed zone applications. The VCM-88C also has a master output providing a summed output of all channels allowing the unit to function as a fully contained eight-channel remote controlled line level mixer. By itself, the VCM-88C functions as a precise eight-channel limiter.

There are many different ways the VCM-88C can be controlled from a remote location. The optional RD-8C or RW-8C will control each channels output level with the ability to mute the outputs with a pushbutton switch over a distance of up to 1000 feet. An RS-232 port allows for computer-controlled operation using Ashly’s Protea System Software or third party system controllers. DC control of the eight VCA channels and master attenuation provides a simple and cost-effective method for custom control using 10K ohm potentiometers.


Eight Channels of Remote Level Control Bi-directional Communication Non-volatile Memory of Level Settings RS-232 Interface Connector PC Control Using Protea System Software, AMX or Crestron Control Software Digital Control Over a Single XLR Mic or Snake Line or Shielded Twisted Pair Cable DC Remote Control Using Potentiometers Internal Channel Patching for Flexible Signal Routing and Matrixing Internal Channel Pass-Through for Cascading Multiple Units in Parallel Signal Present LED's On Each Channel RD-8, RW-8 Compatible Works With Any Mixer With Channel Insert Points Master Sum Output Jack +20dB to -75dB Level Control Individual Limiter Threshold Adjustment for Each Channel

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