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Vandalia-Butler City Schools has released a Request for Proposal for SAC Sound System Upgrades.  The district will be accepting proposals through August 16, 2019. The Request for Proposal can be viewed by clicking here.



Will wireless microphones require antenna distribution system?  Meaning will they get installed in a portable rack for use out on the floor or will they get installed in the rack room?


  1. Wireless Microphone Systems will be installed in the main equipment rack. Contractor to provide Shure remote antenna package. Antennas to be wall or ceiling mounted 2nd floor, left and right of scoreboard.


The spec calls for both a Shure SCM800 rack mount 8 x 1 audio mixer and two Biamp Nexia CS DSP units. The Biamp units offer 10 inputs each.  If the Shure mixer is being allocated in the main rack, we could save money by offering one Biamp Nexia SP which gives a 4in x 8 out setup.  This would accommodate all outputs with no problem.  The real question is how is the input side of this system being designed?  Seeing this Shure mixer is what is causing the confusion.  Can we get an answer as to where the Shure mixer will be used and how the Bamp Nexia CS units will be used?


  1. The Nexia SP is an approved equal. However, the contractor must provide output control for a minimum of (12) zones of audio. For this reason, there are (2) Nexia CS units.
  2. DSP equals for zone/scene control by (QSC -Core 110f) and (Biamp Tesira Server) are approved. Minimum of (8) input / (12) output is required. Must provide zone/scene control equal to Biamp RED1 or Touch Panel by QSC, Crestron, Extron.
  3. The Shure SCM800 is designed for use as microphone/Aux input gain control on the audio input side. All microphone and Aux inputs will route into The SCM800 and the output will feed the Nexia units for DSP and zone/scene control.