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Meyer Sound M'elodie - page 1
OPERA TING INSTRUCTIONS M SERIES M’elodie ™ UltraCompact High-Power Curvilinear Array Loudspeaker Keep these important operating instructions. Check www .meyersound.com for updates. ...
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ii DECLARA TION OF CONFORMITY ACCORDING TO ISO/IEC GUIDE 22 AND EN 45014 Manufacturer’ s Name: Meyer Sound Laboratories Inc. Manufacturer’ s Address: 2832 San Pablo Avenue Berkeley , CA 94702-2204, USA declares that the pr oduct Product Name: M’elodie loudspeaker Product Options: All conforms to the following Product Specifications Safety: E ...
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Meyer Sound M'elodie - page 3
ii i SYMBOLS USED These symbols indicate important safety or operating features in this booklet and on the chassis: 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this loudspeaker near water . 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in a ...
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iv English - T o reduce the risk of electric shock, disconnect the loudspeaker from the AC mains befor e installing audio cable. Reconnect the power cord only after making all signal connections. - Connect the loudspeaker to a two-pole, three-wir e grounding mains receptacle. The r eceptacle must be connected to a fuse or circuit br eaker . Connect ...
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v CONTENTS INTRODUCTION 1 CHAPTER 1: Introducing the M’elodie™ Loudspeaker 3 Advanced M’elodie T echnology 3 Integrated Amplifier and Processing 3 T ruck-Smart and Rig-Ready 4 T otal System Approach 5 CHAPTER 2: Power Requirements 7 AC Power Distribution 7 Looping and Cabling 7 Power Connector Wiring Conventions 8 V oltage Requirements 8 Cur ...
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Meyer Sound M'elodie - page 6
vi Using M’elodie with the 700-HP Subwoofer 22 Using M’elodie with the 600-HP Subwoofer 22 CHAPTER 6: System Design and Integration tools 23 Meyer Sound MAPP Online Pro™ 23 SIM ® 3 Measurement System 24 Source Independent Measur ement T echnique 24 Applications 24 CHAPTER 7: QuickFly ® Rigging 25 M’elodie GuideALinks 25 Front GuideALinks ...
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1 INTRODUCTION These operating instructions provide important information about the form, features, function, and specifications of the M’elodie TM ultracompact high-power curvilinear array loudspeaker . In addition to power requirements and audio characteristics, the book also covers fundamental line array design, useful software tools, and rig ...
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2 INTRODUCTION ...
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3 CHAPTER 1 The self-powered M’elodie ultracompact high-power curvilinear array loudspeaker is a member of the popular MILO ® family of loudspeakers. Its extended high-frequency headroom gives it a smooth sound over its wide operating frequency range of 70 Hz to 18 kHz. This headr oom combines with a 100-degree horizontal coverage pattern to pro ...
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Meyer Sound M'elodie - page 10
4 CHAPTER 1 Figure 1.2. M’elodie amplifier This modular , field-replaceable amplifier/processing package also incorporates Meyer Sound’ s Intelligent AC™ power supply , which automatically adjusts for any line voltage worldwide and provides both soft turn-on and transient protection. M’elodie is fitted standar d with Meyer Sound’ s ex ...
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Meyer Sound M'elodie - page 11
5 CHAPTER 1 Figure 1.4. Ground-stacked M’elodie cabinets The MCF-M’elodie caster frame is designed for transporting stacks of multiple units and facilitate the use of forklifts. A range of rugged protective transport covers is available. M’elodie is also truck-smart. When transporting blocks of up to five M’elodie cabinets using the MCF-M? ...
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Meyer Sound M'elodie - page 12
6 CHAPTER 1 Figure 1.7. The 600-HP high-power subwoofer M’elodie is supported by Meyer Sound’ s MAPP Online Pro acoustical pr ediction program and the Galileo™ loudspeaker management system. Once a M’elodie system is designed and installed, its performance can be confirmed using a SIM 3 audio analyzer system. ...
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7 CHAPTER 2 Self-powered and ultracompact, M’elodie combines advanced loudspeaker technology with equally advanced power capabilities. Understanding the loudspeaker’ s power distribution, voltage, and current r equirements, as well as electrical safety issues, is critical to the safe and correct operation and deployment of M’elodie. M’elodi ...
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Meyer Sound M'elodie - page 14
8 CHAPTER 2 The blue connector serves as the input for all the units looped in that circuit and it is rated to 20 amps maximum. Please make sure never to exceed 20 amps on any single connector . Please refer to T able 2.1. T able 2.1: Maximum looping capabilities for M’elodie Circuit Br eaker/ Connector Rating 115 V AC 230 V AC 100 V AC 15 amps 2 ...
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Meyer Sound M'elodie - page 15
9 CHAPTER 2 TIP: Since M’elodie does not requir e a dedi- cated neutral, it can tolerate elevated volt- ages from gr ound and can be connected between line-line terminals in a 120 V 3-phase Wye system. This results in 208 V AC between lines (nominal) and will therefor e draw less current for the same output power compared to operating M’elodie ...
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Meyer Sound M'elodie - page 16
10 CHAPTER 2 NOTE: For best performance, the AC cable voltage drop should not exceed 10 volts, or 10 percent at 115 volts and 5 per cent at 230 volts. Make sure that even with the AC voltage dr op, the AC voltage always stays in the operating windows. The minimum electrical service amperage requir ed by a M’elodie system is the sum of each loudsp ...
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11 CHAPTER 3 More than just a self-power ed loudspeaker , M’elodie uses sophisticated amplification and protection cir cuitry and an advanced limiting system to produce consistent and predictable r esults in any system design. This chapter will help you understand and harness the power of the M’elodie loudspeaker’ s amplifier and audio syst ...
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12 CHAPTER 3 NOTE: For details on the M’elodie loud- speaker’ s audio input characteristics and amplification, see Appendix C. AMPLIFICA TION AND PROTECTION CIRCUITRY M’elodie is powered by Meyer Sound MP-1/M’elodie ampli- fier modules in a three-channel amplifier configuration with a total power of 1275 watts (2550 watts peak). The MP- ...
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Meyer Sound M'elodie - page 19
13 CHAPTER 3 M’elodie is performing within its acoustical specifications and operating at a normal temperature if the limit LEDs ar e lit for no longer than two seconds, and then go off for at least one second. If an LED remains on for longer than thr ee seconds, that channel enters hard limiting , with the follow- ing negative consequences: ■ ...
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14 CHAPTER 3 ...
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15 CHAPTER 4 RMS is a real-time monitoring system that connects Meyer Sound self-powered loudspeakers with a Windows-based PC at the sound mix position or other location. Optional RMS software delivers extensive status and system perfor - mance data from every installed loudspeaker . M’elodie is RMS-ready and fitted standar d with an RMS communi ...
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Meyer Sound M'elodie - page 22
16 CHAPTER 4 Service LED (Red) The Service LED blinks every two seconds to indicate that the network hardwar e is operational, but the loudspeaker is not installed (commissioned) on the network. NOTE: The Service LED indicates that the loudspeaker is not commissioned on the network and has no effect on the acoustical and/or electrical activity of t ...
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Meyer Sound M'elodie - page 23
17 CHAPTER 5 HOW LINE ARRA YS WORK Line arrays achieve directivity thr ough constructive and destructive interference. For example, consider one loudspeaker with a single 12-inch cone radiator in an enclosure. The loudspeaker’ s directivity varies with frequency: When the wavelengths being r eproduced are lar ger than the driver at low fr equenci ...
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Meyer Sound M'elodie - page 24
18 CHAPTER 5 Figure 5.1. MAPP Online Pro predictions of 6-, 12-, and 18-cabinet M’elodie line arrays at 125 Hz (top) and 250 Hz shows how directionality increases with length of array . Designing a Line Array System Designing and deploying a line array system will typically have the following objectives: ■ Even horizontal and vertical coverage ...
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Meyer Sound M'elodie - page 25
19 CHAPTER 5 Low-Frequency Design Strategies While wave guides provide isolated contr ol over various mid- to high-frequency coverage ar eas, the low-frequency section of a M’elodie array still requir es mutual coupling — with equal amplitude and phase — to achieve better directionality . Low -fr e que ncy di re cti ona lit y i s l ess de pen ...
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Meyer Sound M'elodie - page 26
20 CHAPTER 5 The block diagram below (Figure 5.3) shows one method of driving this example array , along with subwoofers (not in the MAPP Online Pro pr edictions). CAUTION: This example is not meant to be used as a template for your own system designs. Acoustical characteristics, physical constraints, audio content, audience, and other relevant fac ...
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Meyer Sound M'elodie - page 27
21 CHAPTER 5 Using Meyer Sound Processors to Drive and Optimize the Array The Galileo 616 loudspeaker management system and the LD-3 compensating line driver are specifically designed to allow you to follow these optimization strategies: ■ The array can be divided in zones. ■ The atmospheric correction capabilities of these processors compensa ...
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Meyer Sound M'elodie - page 28
22 CHAPTER 5 NOTE: When p re cise a rray d esign, subwo ofer integr ation, DSP a nd del ay sys tems, and compen sation for a cousti cal co nditio ns all come into play , measur eme nt and corr ecti on too ls ar e a must. Meyer’ s SIM 3 measu re ment s ystem, Galil eo, LD- 3, CP-10 parame tric e qualiz er and the V X-1 pr ogr am equali zer ar e hi ...
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Meyer Sound M'elodie - page 29
23 CHAPTER 6 Meyer Sound of fers t wo com pre hensiv e tool s to a ssist you with t he aco ustica l and functi onal r equ ir ements of sy stem design and o ptimiz ation. This chapte r intr odu ces yo u to MAPP O nline Pr o, Mey er Sou nd’ s powerful online acous tical pr edicti on too l, and SIM 3 , a r obus t inst rument ation packag e for sy st ...
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Meyer Sound M'elodie - page 30
24 CHAPTER 6 The ke y to M APP On line P ro ’ s val ue is t he acc uracy of its pr edicti ons. P erform ance p red iction s for each M eyer S ound loudsp eaker found in MAP P Onli ne Pr o ar e based on a model of tha t pr oduc t buil t fr om 36 0 1/48 th-oct ave–ba nd measur ements take n with a SIM audio analy zer in our anecho ic cha mber . T ...
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Meyer Sound M'elodie - page 31
25 CHAPTER 7 M’elodie loudspeakers feature Meyer Sound’ s QuickFly rigging system with rugged, reliable and simple components. QuickFly facilitates deploying the loudspeakers in a variety of applications. M’elodie is designed to be rigged using professional components, and its custom front and r ear GuideALinks rigidly couple the individual M ...
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Meyer Sound M'elodie - page 32
26 CHAPTER 7 The rear GuideALinks permit 12 splay angles between 0 and 11 degrees in 1-degr ee increments. The GuideALink has four rows each with 3 columns. The splay angle between cabinets increases by one degr ee as the GuideAlink is pinned in adjacent positions from fr ont to back and top to bottom. ...
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Meyer Sound M'elodie - page 33
27 CHAPTER 7 STOW STOW A B A B GROUND STACK FRONT LINK GROUND STACK REAR LINK MAXIMUM DOWN-TILT MAXIMUM UP-TILT B A 0º B B -5º A B -10º FRONT LINK REAR LINK RESULT ANGLE -5º 0º MG-M’ELODIE B A STOW Berkeley, CA SEE MG-M’ELODIE AS SEMBLY GUIDE FO R ADDITIONAL LOAD RATINGS AND R IGGING SAFETY INFORMA TION. DO NOT EXCEED GRID TILT CAUTION: DO ...
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Meyer Sound M'elodie - page 34
28 CHAPTER 7 Figure 7.9. 600-HP and M’elodie in the same flown array CAUTION: For complete information on load ratings and how to set up the T ransition Frame please use the MG-M’elodie Assembly Guide (part number 05.152.034.01) available on www .meyersound.com. Figure 7.10. 600-HP and M’elodie in the same ground-stacked array MCF-M’ELODIE ...
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Meyer Sound M'elodie - page 35
29 CHAPTER 7 CAUTION: Do not exceed five M’elodie cabinets high to avoid tipping over the stack. CAUTION: Avoid moving the M’elodie stack in the front-to-back dir ection of the loudspeakers (the long side); always move the stack sideways to avoid tipping it over . STOW STOW A B A B GROUND S TACK FRONT LIN K GROUND S TACK REAR LIN K MAXIMU M DO ...
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Meyer Sound M'elodie - page 36
30 CHAPTER 7 Figure 7.15. T ransporting M’elodie enclosures with the MG-M’elodie installed on the top of the stack CAUTION: When using the MCF-M’elodie caster frame to ground-stack M’elodie loudspeakers, make sure all four caster wheels ar e blocked to prevent the stack fr om rolling away . Other rigging accessories, as well as a range of r ...
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Meyer Sound M'elodie - page 37
31 APPENDIX A In weather -protected versions, a rain hood is included to safeguard the user panel and connectors fr om the elements. INST ALLING THE M’ELODIE QUICK-CLIP RAIN HOOD 1. Check the rain hood to assure that the gasket material is firmly attached along all the inner edges. If not installed, install the gasket to the rain hood; do not in ...
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Meyer Sound M'elodie - page 38
32 APPENDIX B The M’elodie loudspeaker requir es a grounded outlet. It is very important that the system be properly gr ounded in order to operate safely and pr operly . Figure B.1 illustrates correct wiring for the cr eation of power cables and distribution systems for M’elodie loudspeakers shipped from the factory with the VEAM multipin conne ...
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Meyer Sound M'elodie - page 39
33 APPENDIX C APPENDIX C: M'ELODIE SPECIFICA TIONS AND DIMENSIONAL DRA WINGS ACOUSTICAL Note: The low-frequency power r esponse of the system will increase accor ding to the length of the array . Operating frequency range 70 Hz - 18 kHz Note: Recommended maximum operating frequency range. Response depends upon loading conditions and room acous ...
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34 APPENDIX C AUDIO INPUT T ype Differ ential, electronically balanced Max. common mode range ±15 V DC, clamped to earth for voltage transient protection Connectors Female XLR input with male XLR loop output or VEAM all-in-one connector (integrates AC, audio, and network) Input impedance 10 k Ω differ ential between pins 2 and 3 Wiring Pin 1: Cha ...
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35 APPENDIX C 26.48 [672.52 mm] 28.54 [724.84 mm] 12.75 [323.85 mm] 9.19 [233.31 mm] 7.08 [179.91 mm] 6.30 [160.02 mm] 4.10 [104.14 mm] PHYSICAL Enclosure Premium bir ch plywood Finish Black textured Protective grille Powder -coated, hex-stamped steel, black mesh Rigging QuickFly rigging with four captive GuideALinks in the bottom corners of two al ...
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36 APPENDIX C ...
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© 2006 Meyer Sound Laboratories Inc. 05.152.005.01 A Meyer Sound Laboratories Inc. 2832 San Pablo Avenue Berkeley , CA 94702 www .meyersound.com T : +1 510 486.1166 F: +1 510 486.8356 ...
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