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<br />CITY OF LA PORTS <br />INTER-OFFICE MEMOR4INDUM <br /> <br />T0: J. Owen - City Manager May 10, 1983 <br />FROM: J. Ray - Purchasing Agen <br />SUBJECT: Evaluation of Sound System City Council Chambers <br />An evaluation of the existing sound system located in the Council Chambers has <br />identified the following problems: <br />(1) Uncomfortable and inefficient microphone positioning. <br />(2) Inadequately sized microphone cable to carry signal back to the amp- <br />lifier. This results in poor system response and a high noise to signal <br />ratio. High noise to signal ratios produce hissing and crackling when <br />amplified and result in distorted sound. <br />(3) Present design prohibits personal flexibility in adjusting or moving <br />microphones. <br />(4) Poor solder joints in microphone connectors, push-to-talk switches, <br />amplifier connections resulting in shorts and poor signal transfer. <br />A representative of Meredith Wilson Music Co., Ronald D. Reegan, examined the <br />system at my request and has made some recommendations for revision. His <br />recommendations are displayed below in the form of two proposals. <br />I. Proposal l: <br />A. Replace existing "Gooseneck" microphone holders with chassis mount <br />connectors. This would bring microphones closer to the user and <br />allow individual adjustment of each microphone to suit the user. <br />B. Replace existing push-to-talk switches to eliminate shorts and worn <br />out switch connectors. <br />C. Replace existing microphone cables with proper sized cable to ensure <br />optimum amplifier response. Microphone cables at each station <br />would be increased to a four foot length to allow flexibility in <br />microphone positioning. <br />D. Installation of fixed desk mount microphone stands at each station. <br />Total cost of Proposal 1 including all parts and labor would be $1192.50. It <br />should be noted that Proposal 1 is based upon reuse of materials wherever <br />possible to reduce the cost of the installation. All surplus material will <br />be returned to the City of La Porte after completion of the job. <br />II. Proposal 2: Proposal 2 will include all work specified in Proposal <br />1 with the following additional items, <br />A. Purchase and installation of twelve (12) lapel microphones. <br />B. Fabrication and installation of one extra microphone cable per <br />station to allow use of existing microphones as a back up system <br />should the new system require maintenance. <br />Total cost of Proposal 2 including all parts and labor will be $2177.50. <br />Councilmembers who would like to see what the new system would look like should <br />inspect the present installation at your station. Should you or the Council <br />need any additional information on this matter, please advise. <br />cc: B. Herrera <br />~~~ <br /> <br />