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Paging/Background Music Systems  

How to Design and Sell Paging and Background Music Systems from EV & Dynacord 

 

 

 

   

Summary of Contents for 309

Page 1: ...Paging Background Music Systems How to Design and Sell Paging and Background Music Systems from EV Dynacord ...

Page 2: ...ons covered in the document are subject to change without notice Telex Communications Inc does not guarantee the suitability of the material contained herein for your particular application Copyright 2003 Telex Communications Inc All rights reserved ...

Page 3: ...S Amplifier Product Features 12 ProAnnounce Digital Routing System 12 Overview 12 Basic System Components 13 Audio Routing Made Easy 13 ProAnnounce DP Series Power Amplifiers 13 Basic Business Audio System Design Guide 14 The Basic System Components 14 Microphones 14 Signal Routing and Processing 14 Amplification 14 Speakers 14 What to Recommend 14 Step 1 Know the Job 14 Step 2 Determine the Acous...

Page 4: ...ssis 27 BGM and Paging System Designs 27 BGM Installations System Examples 28 Retail Store Single Zone 28 Office Building 5 Zone Simplified system 29 Bar Restaurant 2 Zone 30 Health Club 4 Zone 31 Retail Clothing Store 2 Zone 32 Retail Book Record Store 3 Zone 33 Large Department Store 6 Zone 34 Basic Warehouse 5 Zone 35 Multi Use Warehouse Factory Office Facility 15 Zone 36 Appendix A Distributed...

Page 5: ...the only source that can offer a complete solution for a department store restaurant or any other retail environment EV HAS ALL THE PERFECTLY POSITIONED PRODUCTS Category Product Range The EV Advantage Microphones Telex and EV Paging Mics Over 50 years of proven performance Audio Routers ProAnnounce Matrix Manager Powerful and economical No system can offer this level of flexibility for under 1 00...

Page 6: ...ing about loudspeaker and component selection speaker layout patterns and speaker density Unless it s a simple point and shoot system using a single mixer amplifier which is often a good choice you need to be able to correctly tune the system after it s installed ensuring proper settings and optimal performance This guide is a comprehensive set of design tools and extensive product information to ...

Page 7: ... area The EVID 3 2t includes a transformer for 70V or 100V systems EVID 4 2 The EVID 4 2 uses dual 4 LF drivers and a 1 Ti waveguide tweeter able to deliver maximum sound level over a wide coverage area The EVID 4 2t includes a multi tap transformer for 70V or 100V line distribution systems EVID 6 2 The EVID 6 2 contains dual 6 5 woofers and a 1 Ti waveguide tweeter designed for high performance a...

Page 8: ...ifferential of the EVID units to commodity type speakers is actually quite small when the assembly and component costs of these standard ceiling speakers is taken into consideration The EVID units are fully assembled and no additional installation components are generally needed An EVID system pays for itself very quickly Locations with the highest sales per square foot are the ones who are most c...

Page 9: ...It fits in close spaces and has a wide 130 degree dispersion pattern for efficient coverage EVID C8 2 Unique in providing extremely high fidelity in a flush mount ceiling speaker The secret is the optimally tuned enclosure coupled to a large 8 coaxial driver The large enclosure ensures a full bottom end while the waveguide coupled tweeter gives uniform coverage for the high frequencies EVID C8 2L ...

Page 10: ...ds The MA 1212 has the same feature s models have a variety of features to enable them to be customized to a wide range of backgroun music and paging applications et but supplies twice the power at 120 watts Both d The units feature 12 separate input channels Input channels 1 10 are designed to be used as either balanced or unbalanced low Z microphone inputs or they can be switched to a line level...

Page 11: ...a compact 1 RU chassis It delivers 75 watts x 2 into 8 ohms CPS Series Power Amplifiers CPS Series high performance power amplifiers include innovative protection safety features and unmatched dynamic range capability that exceeds the unique usage demands for fixed installation applications The exceptional reliability and five way power protection on all CPS models provides exceptional performance...

Page 12: ...gnal generating and distribution functions the ProAnnounce system provides ample control functions On one hand these functions offer the possibility to register and rate external events as well as to control different external components on the other hand Boolean operations and relations to the internal state of the system can be programmed as well The digital ProAnnounce manager DPM 4000 represen...

Page 13: ...the 4 amplifier channels Routing speaker lines to these amplifier channels is achieved via the relay matrix which offers up to four separate audio buses simultaneously while the DPM 4000 takes over the management of all these signals according to their priority Next to connecting paging stations the audio inputs also serve for the connection of other audio sound sources like microphones mixers CD ...

Page 14: ...ng each step right however can lead to well done installations which will promote additional future business through positive referrals and satisfied customers Step 1 Know the Job Every system specification begins with a survey of the site The sales engineer whose job is to ask the right questions and gather all the information necessary to complete an accurate bid normally performs the survey At ...

Page 15: ... additional cost for this system however is not that great The typical premium for a ProAnnounce routing system is less than 1 200 for most installations over that of a discrete system design In many cases there is no other viable solution to accomplish what the client wants Step 2 Determine the Acoustic Requirements When the basic infrastructure is established then a system acoustic layout can be...

Page 16: ...cification goes to installation At this stage design details can be fine tuned and potential problems can be addressed to assure that the design is feasible efficient and free of unnecessary redundancy Expect The Unexpected The distributed sound system market is highly competitive and margins are small It makes good sense to do everything you can to avoid problems at the installation stage and to ...

Page 17: ...e the cost of a single callback can eat up most of the profits To succeed with distributed sound systems the professional contractor needs to be able to count on his jobs going in smoothly and efficiently In this article we ll explore some of the nuts and bolts issues that affect profitability in the distributed sound system market and offer suggestions for improving your chances of success in the...

Page 18: ...ane is more narrow than the polar spec Some ceiling speaker manufacturers use their polar measurement to claim extraordinarily wide coverage Do not use this specification to lay out coverage patterns of ceiling speakers To Illustrate Imagine a loudspeaker with a 180 polar spec If you were to incorrectly interpret this as 180 coverage on the listening plane then one speaker would be all you would e...

Page 19: ...at this off axis angle will hear sound that is more than 15 dB down from the level they hear when they pass directly underneath the speaker This is a very large difference Keep in mind that these coverage angles are averaged over the frequency spectrum and will generally not give the rated coverage at every specific frequency To find the actual 6dB down point of the speaker for the listening plane...

Page 20: ... systems while maintaining a competitive edge in price quotes When Controlled Coverage is Needed In some installations coverage control is clearly essential to maintain intelligibility and listenability In these cases a speaker which provides controlled coverage over as wide a bandwidth as possible is needed In live room environments the reflection of sound off of walls can be a major cause of int...

Page 21: ...s may happen it s sometimes acceptable for subwoofers in business music applications One way to make the subwoofer coverage as even as possible is to use more than one In many places it s a good idea to add a second subwoofer or more Even if you don t need additional subwoofers for volume reasons you might want to consider them just for evenness of subwoofer coverage Generally if you have to use j...

Page 22: ...cify Mixer Amplifiers The performance of integrated Mixer Amplifiers is more than adequate for the vast majority of distributed sound installations Consider for example the question of frequency response The MA models exhibit a low frequency limit of 50 Hz and an upper frequency limit between 15 and 20 kHz Is this good enough To answer this question we need to examine the performance of other comp...

Page 23: ...een the DRM4000 and the DPM4000 an overview of each is provided below DPM4000 4x4 Matrix Router The DPM4000 is essentially a 4 x 4 digital matrix with added DSP capabilities Actually when you factor in the internal alarm chime functions message stacking and pre recorded message functions it is more like a 7 x 4 matrix Processing in the form of level and EQ is provided on each of the four external ...

Page 24: ... settings for the DPC 4000 Series paging stations are already provided Setting volume levels and filter parameters is accomplished via PC during the configuration procedure Further it is possible to alter any volume setting during the later operation of the system via special function keys on the paging stations or through external controls that are connected to analog or digital control inputs Al...

Page 25: ...ound sources to the monitor bus is possible as well This additionally allows monitoring amplifier outputs or pre listen to the contents of external voice message memories and other audio devices The remote control s wiring already includes all the cabling necessary for the pre post listen feature when using remote controlled amplifiers In addition when using the DCS 420 ProAnnounce MONITOR MANAGER...

Page 26: ...assignment easy key labeling through label strips and MS WORD templates analog circuitry surveillance via integrated pilot tone generator processor surveillance via watchdog function line surveillance via pilot tone and polling functions covered alarm key not with DPC 4106 additional alarm keys or key locked switches can be optionally retrofitted connection of an external PTT microphone or audio s...

Page 27: ...ssis Relay Wiring DCS 408 409 and DCS 408R 409R relay cards are used for a variety of applications in the ProAnnounce system One of the primary uses for them is the control of line or speaker level audio The DCS 409 409R is used for low voltage and line level audio signal switching The DCS 408 408R is used for high voltage and speaker level audio signal switching Both cards ship with a number of w...

Page 28: ...c source consisting of a CD player The C4 2 s are tapped at 7 5 watts and the C10 1 is tapped at 30 watts System Layout ystem Equipment List C4 2 C10 1 Subwoofer CD Player Paging Mic 1 Cashier Paging Mic 2 Stockroom Telephone Paging S Model Location Description Quantity SPEAKER SYSTEMS EVID C4 2 Main Ceiling Speaker 3 EVID C4 2 Restrooms Ceiling Speaker 1 EVID C10 1 Main Subwoofer 1 Amplification ...

Page 29: ...0t s are used in this installation System Diagram quipment List DAP4410 Zone 1 Zone 2 Zone 5 Zone 3 Radio Tuner From Line Out MA606 MP756 Zone Control lines DCS 408 Card To Power Amp 24v Power supply Microphone Line Zone 4 E Model Location Description Quantity SPEAKER SYSTEMS PA430t Various Paging Horn 2 EVID C4 2 Various Ceiling Speaker 5 PROANNOUNCE EQUIPMENT MA606 Office 60 watt mixer amplifer ...

Page 30: ...tts and the C10 1 is set at 8 ohms System Diagram quipment List C4 2 DPA4410 4 2t C10 1 Main Restaurant Sports Bar F R Sports Bar Sub Radio Tuner CD Server Hostess DRM4000 Remote Control Remote Control Sports Bar Main Restaurant Office E Model Location Description Quantity SPEAKER SYSTEMS EVID 4 2t Bar Surface Mount Speaker 2 EVID C4 2 Restaurant Ceiling Speaker 5 EVID C10 1 Bar Subwoofer 1 PROANN...

Page 31: ...nderwater Exercise Sub Radio Tuner TV CD Server Paging Station Front Desk Remote Control Remote Control Spin Room Pool Snack Shop Remote Control Exercise Spin Paging Station Exercise Room Satillite Feed Model Location Description Quantity SPEAKER SYSTEMS EVID 6 2t Exercise Surface Mount Speaker 8 EVID C4 2 Pool Lobby Ceiling Speaker 16 UW30 Pool Underwater Speaker 2 EVID 12 1 Spin Exercise Subwoof...

Page 32: ... the paging capability at the cashier station The C4 2 s are tapped at 7 5 watts and the C10 1 s are set at 30 watts System Diagram C4 2 Womens Clothing Mens Clothing CD Player Paging Mic Cashier Remote Control Remote Control Womens Mens Clothing C10 1 C4 2 C10 1 Message Manager Office CD Player Equipment List Model Location Description Quantity SPEAKER SYSTEMS EVID C4 2 Mens Womens Ceiling Speake...

Page 33: ...Diagram Main Sales Floor CD Sales Floor Coffee Shop Subwoofer Coffee Shop Radio Tuner CD Server 2 CD Server 1 Paging Station Cashier Remote Control Remote Control Cashier CD Sales Coffee Shop Remote Control Model Description Quantity SPEAKER SYSTEMS EVID 3 2t Coffee Shop Surface Mount Speaker 2 EVID C4 2 Main Store Ceiling Speaker 6 EVID C8 2 CD Sales Ceiling Speaker 6 EVID C10 1 Coffee Shop Subwo...

Page 34: ...e manager s office In this configuration the 3 2t s and C10 1 s are run off of the 4410 amplifier with the C10 1 s tapped at 15 watts T 4260 amplifier M enswear W om ens clothing W hite goods Appliances Teen clothing Main Floor Cashier 1 Cashier 3 Cashier 2 Office Model Location Description Quantity SPEAKER SYSTEMS EVID 3 2t Speaker 7 EVID C4 2 Ceiling Speaker 15 EVID C10 1 Subwoofer 4 PROANNOUNCE...

Page 35: ...this configuration the C4 2s are for the office feed while the PA430 s are zoned for different areas of the warehouse The system is run through one DPA4260 providing 1200 total watts System Diagram C4 2 Office Shipping Loading Dock Warehouse Lunchroom Receptionist PA430t C4 2 PA430t PA430t Equipment List Model Location Description Quantity SPEAKER SYSTEMS EVID C4 2 Ceiling Speaker 20 PA430t Paging...

Page 36: ... main receptionist building manger shipping station along with the telephone interface to allow for building wide paging operation In this C4 2 Office Shipping Loading Dock Zones 6 8 Warehouse Lunchroom Receptionist PA430t C4 2 PA430t PA430t Cobra IIB Cobra IIB PA430t Shipping Factory Floor Manager Factory Floor Metal Fab Zones 1 5 Warehouse C4 2 Eingineering C10 1 Building Manager Model Descripti...

Page 37: ...tal amplifier power that the speaker sees which determines the aximum sound pressure level in the corresponding zone This results in a very reliable system er demanded by each branch does not exceed the rated power of the if one or more speakers become disconnected or fail the power applied to the others remains the same Constant voltage distribution greatly simplifies the calculations involved in...

Page 38: ...y may also exhibit limited low frequency response and might impose substantial insertion losses How then does one deliver 70 volts to the CV line One way is to use bridging Because a bridged power amplifier drives the load push pull the voltage across the load is effectively double that of each channel s individual output If we need to develop a total of 70 volts across the line then we can use an...

Page 39: ...hat the DC isolation afforded by a dual winding transformer could easily be waived we employ a professional solid state amplifier which incorporates protection against output offsets as most do nowadays This opens up the possibility of using an autotransformer to boost the output voltage of the amplifier Autotransformers offer a significant advantage over dual winding transformers in that they imp...

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