Meyer Sound LEO-M Operating Instructions Manual
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Meyer Sound LEO-M Operating Instructions Manual

Linear line array loudspeaker
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OPERATING INSTRUCTIONS
LINE ARRAY
LEO-M
™
Linear Line Array Loudspeaker
Keep these important operating instructions.
Check www.meyersound.com for updates.

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Summary of Contents for Meyer Sound LEO-M

  • Page 1 OPERATING INSTRUCTIONS LINE ARRAY LEO-M ™ Linear Line Array Loudspeaker Keep these important operating instructions. Check www.meyersound.com for updates.
  • Page 2 Meyer Sound products and accessories are trademarks of Meyer Sound. Callisto, Galileo, LEO, Meyer Sound, the Meyer Sound wave logo, MICA, QuickFly, REM, SIM, and TruPower are registered trademarks of Meyer Sound Laboratories Inc. (Reg. U.S. Pat. & Tm. Off.). All...

  • Page 3: Table Of Contents

    CONTENTS Chapter 1: Introduction How to Use This Manual LEO-M Linear Line Array Loudspeaker Chapter 2: Power Requirements AC Power Distribution AC Input Wiring AC Power Cables LEO-M Voltage Requirements LEO-M Current Requirements Do Not Reset Circuit Breakers! Intelligent AC Power Supply...

  • Page 5: Chapter 1: Introduction

    SPL and ideal www.meyersound.com. coverage for the intended audience areas. Meyer Sound Technical Support is available at: LEO-M’s high-frequency section is comprised of two propri- ■ Tel: +1 510 486.1166 etary compression drivers coupled to a constant-directivity horn through a patented REM ®...
  • Page 6 A hex- stamped, steel grille with acoustical black mesh protects the rest in caster frames. The MTG-LEO-M top grid flies arrays of up to 18 LEO-Ms at a 7:1 safety factor (with some restric- unit’s drivers.

  • Page 7: Chapter 2: Power Requirements

    Figure 1 illustrates a 120 V AC, 3-phase Wye distribution safety guidelines is critical to the safe operation of LEO-M. system with each loudspeaker connected to two lines and a common earth/ground line. This configuration is possible...

  • Page 8: Ac Input

    CHAPTER 2: POWER REQUIREMENTS AC INPUT WIRING AC POWER CABLES The LEO-M user panel includes an AC Input connector that LEO-M ships with a black powerCON 32 cable mount con- supplies power to the loudspeaker. The 3-conductor nector, rated at 32 A, for assembling AC power cables. The...

  • Page 9: Leo-M Voltage Requirements

    Idle Current — The maximum rms current during idle periods. CAUTION: Due to its expanded power capabil- ities, LEO-M was engineered to operate only at ■ Maximum Long-Term Continuous Current — The 220 V AC (208–235 V AC) to reduce current draw.

  • Page 10: Do Not Reset Circuit Breakers

    Use the cable rings (see “Cable Rings” on page 12) on voltage transients up to several kilovolts; filters common the rear of the LEO-M cabinet to reduce strain on the AC mode and differential mode radio frequencies (EMI); and power cable (and audio cables). Do not use the cable sustains operation temporarily during low-voltage periods.

  • Page 11: Chapter 3: Amplification And Audio

    Pin 1 — 1 kOhm to chassis and earth ground (ESD LEO-M User Panel clamped) The LEO-M user panel includes Input and Loop output con- Pin 2 — Signal (+) ■ nectors for audio, Limit and Active LEDs, and RMS connec- Pin 3 —...

  • Page 12: Cable Rings

    CABLE RINGS The XLR 5-pin male Loop output connector allows multiple Two cable rings are provided on the rear of the LEO-M cabi- loudspeakers to be looped from a single audio source. The net. Power and audio cables should be tied off to the rings...

  • Page 13: Amplifier Cooling System

    LEO-M OPERATING INSTRUCTIONS HF and LF Limit LEDs AMPLIFIER COOLING SYSTEM The low- and high-frequency drivers for LEO-M are powered LEO-M employs forced-air cooling with four ultrahigh-speed by separate amplifier channels, each with their own limiter. fans (two primary, and two reserve) to prevent the amplifier Limiting activity is indicated with two Limit LEDs on the user from overheating.
  • Page 14 CHAPTER 3: AMPLIFICATION AND AUDIO...

  • Page 15: Chapter 4: Quickfly Rigging

    LEO-M RIGGING OPTIONS Table 1 summarizes the available rigging options for LEO-M. For complete information on rigging hardware, including dimensions, weight, configuration, and load ratings, refer to the MTG-LEO-M Assembly Guide (PN 05.215.049.01) available at www.meyersound.com.
  • Page 16 CHAPTER 4: QUICKFLY RIGGING Rigging Example, LEO-M Array with MICA Downfill and Pull-Up MVP Motor Vee Plate Attached to rear center of grid with two motors MTG-LEO-M Top Grid to adjust the horizontal Oriented for maximum aim of the array...

  • Page 17: Leo-M Guidealinks

    GuideALink positions. Rear GuideALinks can be pinned in into the link slots of the MTG-LEO-M grid, making it easy to either of two positions: extended or stowed.

  • Page 18: When To Move The Locking Pins To The "Stow Pin" Position

    Stow Pin Move locking pins here for safe- keeping before lifting or lower- STOW ing the stack. This allows splay angles to expand and contract. Never put the blue locking pins in your pocket. Figure 3: LEO-M Front GuideALinks Label...

  • Page 19: Chapter 5: Rms Remote Monitoring System

    RMS reports, in real time, the status and power usage and performance data for each loudspeaker, including of multiple Meyer Sound loudspeakers from a Mac or Win- amplifier voltage, limiting activity, power output, fan and dows-based computer. The RMS host computer communi- driver status, as well as mute and solo capability.

  • Page 20: Rms Module

    RESETTING THE RMS MODULE the physical loudspeaker corresponding to a loudspeaker icon in Compass RMS. You can use the Identify button to reset the LEO-M RMS module when powering on the loudspeaker. This will cause TIP: The loudspeaker can also be winked by the module to be removed from the RMS network.

  • Page 21: Chapter 6: System Design And Integration Tools

    CHAPTER 6: SYSTEM DESIGN AND INTEGRATION TOOLS This chapter introduces MAPP, Meyer Sound’s patented sys- MAPP client software lets you configure Meyer Sound loud- tem design tool, and SIM 3, a comprehensive system for speaker systems and define the environment in which they measurement and analysis.

  • Page 22: Sim 3 Measurement System

    Optimizing subwoofer integrations Source Independent Measurement Technique ■ Optimizing loudspeaker arrays The SIM 3 audio analyzer implements Meyer Sound’s source independent measurement technique, a dual-channel SIM 3 can also be used in the following applications: method that accommodates statistically unpredictable exci- ■...

  • Page 23: Appendix A: Rain Hoods

    APPENDIX A: RAIN HOODS LEO-M comes standard with weather protection that includes a collapsible rain hood that protects the loudspeaker’s con- nectors from water intrusion. EXPANDING THE LEO-M COLLAPSIBLE RAIN HOOD To expand the LEO-M collapsible rain hood: 1. Remove the rain hood’s Velcro straps.
  • Page 24 APPENDIX A: RAIN HOODS...

  • Page 25: Appendix B: Specifications

    APPENDIX B: SPECIFICATIONS NOTE: Loudspeaker system predictions for coverage and SPL are available in Meyer Sound’s MAPP predic- tion software. LEO-M Specifications ACOUSTICAL Operating Frequency Range 55 Hz – 16.5 kHz Note: Recommended maximum operating frequency range. Response depends on load- ing conditions and room acoustics.
  • Page 26 APPENDIX B: SPECIFICATIONS LEO-M Specifications Current Draw Idle 0.6 A rms (230 V AC) Maximum Long-Term Continuous 6.0 A rms (230 V AC) Burst 8.0 A rms (230 V AC) Maximum Instantaneous Peak 24 A peak (230 V AC) Inrush <15 A peak (230 V AC)
  • Page 27 17.85 [453 mm] 9.00 [229 mm] 11.50 44.42 [292 mm] [1128 mm] LEO-M Dimensions NOTE: For the dimensions and weight for the MTG-LEO-M top grid and MCF-LEO-M caster frame, refer to the MTG-LEO-M Assembly Guide (PN 05.215.049.01) available at www.meyersound.com.
  • Page 28 APPENDIX B: SPECIFICATIONS LEO-M Dimensions with Rain Hood 41.42 8.50 23.00 [1052 mm] [216 mm] [584 mm] 17.85 [453 mm] 9.00 [229 mm] 11.50 44.42 [292 mm] [1128 mm] 31.27 [794 mm] 6.25 [159 mm] LEO-M Dimensions with Rain Hood...
  • Page 29 LEO-M OPERATING INSTRUCTIONS FEDERAL COMMUNICATIONS COMMISSION (FCC) STATEMENT This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
  • Page 30 APPENDIX B: SPECIFICATIONS...
  • Page 32 Meyer Sound Laboratories Inc. © 2014, 2016 2832 San Pablo Avenue Meyer Sound. All rights reserved. Berkeley, CA 94702 LEO-M Operating Instructions +1 510 486.1166 PN 05.215.020.01 B www.meyersound.com...

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