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OPERATING 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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o f N d o n r t a l h n i A e DECLARATION OF CONFORMITY ACCORDING TO ISO/IEC GUIDE 22 AND EN 45014 Manufacturer’s Name: Supplementary Information Meyer Sound Laboratories Inc. The product herewith complies with the requirements of the Low Voltage Directive 73/23/EEC and the EMC Directive 89/336/EEC. Manufacturer’s Address: 2832 San Pablo Avenue Berkeley, CA 94702-2204, USA Office of Quality Manager Berkeley, California USA declares that the product June 1, 2006 Product Name: M’elodie loudspea
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SYMBOLS USED These symbols indicate important safety or operating features in this booklet and on the chassis: Dangerous voltages: risk of Important operating Frame or chassis Protective earth ground electric shock instructions Pour indiquer les risques Pour indequer important Masse, châssis Terre de protection résultant de tensions instructions dangereuses Zu die gefahren von Zu wichtige betriebs- Rahmen oder chassis Die schutzerde gefährliche spanning zeigen anweisung und unter- haltsanweisung
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SAFETY SUMMARY - Ne pas laisser de l’eau ou tout Haushaltsgeräten (z.B. Heizgerät English objet pénétrer dans l’haut-parleur. oder Herd) aufstellen. - To reduce the risk of electric Ne pas placer de r´cipients - Im Inneren diesem Lautsprecher shock, disconnect the loudspeaker contenant un liquide sur cet herr-schen potentiell gefährliche from the AC mains before installing appareil, ni à proximité de celui-ci. Spannungen. Nicht versuchen, audio cable. Reconnect the power - Pour évite
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CONTENTS INTRODUCTION 1 CHAPTER 1: Introducing the M’elodie™ Loudspeaker 3 Advanced M’elodie Technology 3 Integrated Amplifier and Processing 3 Truck-Smart and Rig-Ready 4 Total System Approach 5 CHAPTER 2: Power Requirements 7 AC Power Distribution 7 Looping and Cabling 7 Power Connector Wiring Conventions 8 Voltage Requirements 8 Current Requirements 9 Electrical Safety Issues 10 CHAPTER 3: Amplification and Audio 11 Audio Input 11 Amplification and Protection Circuitry 12 M’elodie Interconnecti
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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 Measurement Technique 24 Applications 24 ® CHAPTER 7: QuickFly Rigging 25 M’elodie GuideALinks 25 Front GuideALinks 25 The MG-M’elodie Multipurpose Grid 26 Using the MG-M’elodie for Ground-Stacking 27 The MTF-MICA/M’elodie Transition Frame 27 MCF-M’elodie Caster Frame 28 APPEN
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INTRODUCTION INTRODUCTION These operating instructions provide important information HOW TO USE THIS MANUAL about the form, features, function, and specifications of As you read this manual, you’ll find figures and diagrams TM the M’elodie ultracompact high-power curvilinear array to help you understand and visualize what you’re reading. loudspeaker. In addition to power requirements and audio You’ll also find icons that flag important information or warn characteristics, the book also covers
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INTRODUCTION 2
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CHAPTER 1 CHAPTER 1: INTRODUCING THE M’ELODIE LOUDSPEAKER The self-powered M’elodie ultracompact high-power ADVANCED M’ELODIE TECHNOLOGY curvilinear array loudspeaker is a member of the popular The M’elodie loudspeaker is a self-powered, three-way ® MILO family of loudspeakers. Its extended high-frequency design featuring drivers designed and manufactured at headroom gives it a smooth sound over its wide operating Meyer Sound’s Berkeley, California, factory. frequency range of 70 Hz to 1
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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 standard with Meyer Sound’s exclusive RMS interface, allowing you to monitor and troubleshoot an entire RMS-equipped Meyer Sound system remotely from your PC notebook or desktop system. NOTE: In
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CHAPTER 1 TOTAL SYSTEM APPROACH M’elodie integrates seamlessly with other Meyer Sound products. With compatible acoustical and performance characteristics and dedicated QuickFly rigging hardware, M’elodie, MICA, MILO, and other Meyer Sound self- powered loudspeakers can provide you with everything you need to design and implement systems for optimum performance in venues of any size or shape. TIP: Meyer Sound MAPP Online Pro acoustical prediction software allows you to quickly determin
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CHAPTER 1 Figure 1.7. The 600-HP high-power subwoofer M’elodie is supported by Meyer Sound’s MAPP Online Pro acoustical prediction 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. 6
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CHAPTER 2 CHAPTER 2: POWER REQUIREMENTS Looping Audio Input 10k Ω Balanced Self-powered and ultracompact, M’elodie combines LOOPING AND CABLING advanced loudspeaker technology with equally advanced M’elodie loudspeakers use a PowerCon 3-pole AC mains power capabilities. Understanding the loudspeaker’s power system with locking connectors to prevent accidental distribution, voltage, and current requirements, as well as disconnection. Two female inlets (one colored blue and the electrical s
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CHAPTER 2 The blue connector serves as the input for all the units CAUTION: When creating AC cables and looped in that circuit and it is rated to 20 amps maximum. distributions systems it is important to pre- Please make sure never to exceed 20 amps on any single serve AC line polarity and connect earth ground on connector. Please refer to Table 2.1. both sides of the cable. M’elodie loudspeakers re- Table 2.1: Maximum looping capabilities for M’elodie quire a ground connection. Always use
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CHAPTER 2 TIP: Since M’elodie does not require a dedi- NOTE: It is recommended that the supply cated neutral, it can tolerate elevated volt- be operated in the rated voltage windows at ages from ground and can be connected between least a few volts away from the turn on/off points. line-line terminals in a 120 V 3-phase Wye system. This ensures that AC voltage variations from the ser- This results in 208 V AC between lines (nominal) and vice entry — or peak voltage drops due to cable runs wi
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CHAPTER 2 NOTE: For best performance, the AC cable CAUTION: Do not exceed the current capa- voltage dr op should not exceed 10 volts, or bility of the 20-amp M’elodie loudspeaker AC 10 percent at 115 volts and 5 percent at 230 volts. connector. When looping always take into account Make sure that even with the AC voltage drop, the the current draw of all speakers in the circuit, includ- AC voltage always stays in the operating windows. ing the first unit. The minimum electrical servic
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CHAPTER 3 CHAPTER 3: AMPLIFICATION AND AUDIO More than just a self-powered loudspeaker, M’elodie uses Audio signals can be daisy-chained using the loop output sophisticated amplification and protection circuitry and connector on the user panel of the M’elodie loudspeaker an advanced limiting system to produce consistent and (Figure 3.1). A single source can drive multiple M’elodie predictable results in any system design. This chapter will loudspeakers with a paralleled input loop, creating an
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CHAPTER 3 THE LIMITING SYSTEM NOTE: For details on the M’elodie loud- speaker’ s audio input characteristics and Low- and Mid-Frequency Limiters amplification, see Appendix C. The M’elodie loudspeaker’s left and right 8-inch cone driv- ers are powered by separate amplifier channels, each with AMPLIFICATION AND PROTECTION CIRCUITRY a detector but routed to one limiter; the limiter tracks both channels and uses the higher of the two values to engage. M’elodie is powered by Meyer Sound MP
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CHAPTER 3 M’elodie is performing within its acoustical specifications CAUTION: To keep the heatsink from getting and operating at a normal temperature if the limit LEDs are too hot, ensur e proper ventilation around the lit for no longer than two seconds, and then go off for at loudspeaker. least one second. If an LED remains on for longer than three seconds, that channel enters hard limiting, with the follow- ing negative consequences: When the heatsink temperature decreases to 65° C (145°
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