Wheelock MX-8 Mixer Specifications

Steps AheadA Guide to Loudspeaker Paging and Telephone Systems Interface

www.coopernotification.com8Wheelock Speaker System CalculatorMuch of the information contained in this book has been condensed into a simple and easy t

Thechoiceofwattagetapinthissituationcansimplydependonthenumberofspeakersrequired.Inotherwords,morespeakerstappedat1/4wattco

www.coopernotification.com10Wall Speaker Layout Speakers Mounted on One Wall and PillarsWall Speaker LayoutSpeakers Mounted on Opposing WallHornsHorns

Spacing and forward projectionExperience has shown that the most effective side to side spacing of a typical horn is about 40 feet. This is determine

www.coopernotification.com12Remember,weneed91dBforaneffectivepage.Fromthetable,wecanseethatat64feettheselectionofwattagetapsgi

Application of Horns in a Noisy Production and Warehouse Facility40’40’120’240’64’64’192’64’64’64’128’PRODUCTION AREA (23,040 SQUARE FEET TOTAL WAREHO

www.coopernotification.com14Here is a handy chart that pulls together horn selection along with distance and power settings in typical commercial appli

Power SuppliesRPS-2406: Fully Regulated and Filtered, 24 VDC, 600 mA. Current limited, short circuit and overload protected with auto shutdown and re

www.coopernotification.com16Correct Wire Size for Central Amplified System Speaker Lines andAmplified Speaker System 24 VDC Power LinesInanyelectrical

Inselfampliedspeakers,thesmallampliersbehindeachspeakerarepoweredwith24VDC,andtheseampliershaveadenitecurrentdraw,whichmea

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www.coopernotification.com18What about the audio pair?Asmentionedpreviously,self-ampliedspeakersusea4-wirehook-up:Apairforthe24VDCpower

Centrex systems work very much like PBX systems with one important difference: Instead of being located on prem-ise,theswitchinggearislocatedat

www.coopernotification.com20Single Zone CO Port Paging ApplicationsTalkbatterycanbeprovidedwithalteredandregulated24VDCpowersupplyasill

ORDERING INFORMATIONNOTES: 1.BothmodelsUL1459Listed,FCCRegistered.Item Input Output Application Model No.A50-130 V, 20-30 HzRinging Voltage or

NotificationYour Authorized Cooper Notification Distributor is:Printed in USASA 07/08Cooper Industries, Ltd.600 Travis, Ste. 5800Houston, TX 77002-1001

ContentsStep 1 Select the Correct System...

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Step 1 - Select the Correct System 24voltselfampliedor70voltcentralamplied.Whichisbest?Theansweristhateithersystemisrightforc

www.coopernotification.com4Amplied Paging Speakers and HornsSA-SeriesAmpliedSpeakersandHornsThe SA-Series Amplied Speaker Horns provide cl

Step 2 - System Design and Layout It’seasierthanitmayrstappear,andonceyoumastersomebasics,itwillbecomeroutine.Armedwiththesebasi

www.coopernotification.com6Distance and the 6 dB ruleSimply put, doubling the distance from the speaker means you lose 6 dB SPL, cut the distance in ha

Ceiling Mount SpeakersSpeaker spacingForceilingmountinstallationinmostofces,stores,schools,etc.,recessedceilingmountspeakerscanbeused