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Keep these important operating instructions. Check www .meyerso und.com for updates. OPERATING INSTRUCTIONS M SERIES MINA Compact Curvilinear Array Loudspeaker.
ii DECLARATION OF CONFORMITY ACCORDIN G TO ISO/IEC GUIDE 22 AND EN 45014 © 2010 Meyer Sound. All rights reserved. MINA Operating Instructions, PN 05.207.
iii SYMBOLS USED These symbols indicate important safety or operating featu res in this booklet and on the chassis: IMPORTANT SAFETY INSTRUCTIONS 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all inst ructions.
iv SAFETY SUMMARY English T o reduce the risk of electric shock, dis- connect the loudspeaker from the AC mains before installing audio cable. Reconnect the power cord only after making all signal connections. Connect the loudspeaker to a tw o-pole, three-wir e grounding mains receptacle.
v CONTENTS Chapter 1: Introduction 7 How to Use This Manual 7 MINA Compact Curvilinear Array Loudspeaker 7 Chapter 2: Power Requirements 13 AC Connectors 13 Wiring for AC Connections 14 AC Power Distr.
CONTENTS vi Appendix A: Optional Rain Hood 45 Appendix B: MINA Specifications 47.
7 CHAPTER 1: INTR ODUCTION HOW TO USE THIS MANUAL Make sure to r ead these operating instructions in their entirety befor e configuring a loudspeaker system with MINA subwoofers. In particular , pay close attention to material related to safety issues.
CHAPTER 1: INTRODUCTION 8 degree horizo ntal polar patter n below 500 Hz. The acousti- cal manifold, based on Meyer Sound’ s patented REM™ rib- bon emulation technology , radiates driver output with very low distortion and a focused, well-behaved, narr ow disper- sion, minimizing destructive high-frequen cy interactions between cabinets.
MINA OPERATING INSTRUCTIONS 9 When used in lar ge arrays, typically as a main loudspeaker system, MINA can be flown with the optional MG-MINA grid. MINA’ s end plates include captive GuideALinks™ and quick-release pins that allo w splay angles between cabinets to be readily adjusted .
CHAPTER 1: INTRODUCTION 10 The MY A-MINA mounting yoke suspends arrays of up to three MINA cab inets from a single point, or pole-mounts up to two cabinets (pole-mount adapter not include d).
MINA OPERATING INSTRUCTIONS 11 For most applications, Meyer Sound’ s 500-HP subwoofer is the logical choice for enhancing low fr equencies in MINA loudspeaker systems. The 500-HP can be flown or ground- stacked with MINA arrays using the optional MTF-M’elodie/ MINA transition frame.
CHAPTER 1: INTRODUCTION 12.
13 CHAPTER 2: POWER REQUIR EMENTS Self-powered and ultracompact, MINA loudspeakers com- bine advanced loudspeaker technology with equally advanced power capabilities. Understanding power distri- bution, voltage and curr ent requirements, as well as electri- cal safety issues, is critical to MINA’ s safe operation.
CHAPTER 2: POWER REQUIREMENTS 14 WIRING FOR AC CONNECTIONS MINA loudspeakers requir e a grounded outlet. T o operate safely and effectively , it is extremely important that the entire system be pr operly grounded.
MINA OPERATING INSTRUCTIONS 15 MINA V OLTAGE REQUIREMENTS MINA operates safely and continuously when the AC voltage stays within 100–264 V AC at 50 or 60 Hz. The loudspeaker can withstand continuous voltages up to 275 volts and allows any combination of voltage to GND (neutral-line- ground or line -line-ground).
CHAPTER 2: POWER REQUIREMENTS 16 V pk (drop) = I pk x R (cable total) The Burst Current can also be used to calculate the AC looping capability of MINA. ■ Ultimate Short -T erm Peak Current — A rating for fast- reacting magnetic b reakers. ■ Inrush Curr ent — The spike of initial curr ent encoun- tered when po wering on.
17 CHAPTER 3: AMPLIFICATION AND AUDIO MINA’ s drivers are power ed by an extremely efficient onboard th ree-channel, Class-D amplifier that uses minimal AC power when idle.
CHAPTER 3: AM PLIFICATION AND AUDIO 18 paths, Galileo systems of fer independent inputs and outputs and pr esets for optimizing MINA array perfor- mance and subsystem integration. INTERNAL CONNECTIONS Meyer Sound loudspeakers are tested and shipped from the factory with their drivers in corr ect alignment.
MINA OPERATING INSTRUCTIONS 19 Amplifier Cooling System MINA’ s amplifier relies solely on natural convection for cool- ing from air flowing over its heat sink.
CHAPTER 3: AM PLIFICATION AND AUDIO 20.
21 CHAPTER 4: LINE ARRAYS AND SYSTEM INTEGRATION ABOUT LINE ARRAYS Line arrays achieve directivity thr ough constructive and destructive interfer ence.
CHAPTER 4: LINE ARRAYS AND SYSTEM INTEGRATION 22 SYSTEM DESIGN PRINCIPLES Line array designs seek to achieve the following: ■ Uniform vertical coverage ■ Uniform SPL ■ Uniform frequency r espons.
MINA OPERATING INSTRUCTIONS 23 High-Frequency Equa liza tion Strategies For far -field coverage, air absorption plays a critical role. The longer the distance, the gr eater the attenuation that occurs for high fr equencies.
CHAPTER 4: LINE ARRAYS AND SYSTEM INTEGRATION 24 COMPENSATING FOR LATENCY WHEN INTEGRATING MINA LOUDSPEAKERS Because MINA loudspeakers use onboar d digital amplifica- tion, a very small amount of latency is intr oduced to the audio signal when converting fr om analog to digital and dig- ital to analog.
MINA OPERATING INSTRUCTIONS 25 All system parameters for the Galileo 616 and Galileo 408 can be configured from the extensive Compass™ softwar e running on a Windows or Mac ® computer . The Galileo 616 can also be configure d from its intuitive fr ont panel controls.
CHAPTER 4: LINE ARRAYS AND SYSTEM INTEGRATION 26 USING DIGITAL SIGNAL PROCESSORS NOTE: While Meyer Sound str ongly recom- mends using the Galileo loudspeaker manage- ment system to drive Meyer Sound loudspeakers, the loudspeakers can also be driven fr om third-party dig- ital signal processors.
MINA OPERATING INSTRUCTIONS 27 Integrating 500-HP Subwoofers For most applications, Meyer Sound's 500-HP subwoofer is the logical choice for enhancing low fr equencies in MINA loudspeaker systems. The 500-HP extends the range of the system down to 35 Hz.
CHAPTER 4: LINE ARRAYS AND SYSTEM INTEGRATION 28.
29 CHAPTER 5: QUICKFLY RIGGING MINA loudspeakers are compatib le with Meyer Sound’ s QuickFly ® rigging system, a comprehensive collection of rig- ging, flying, and mounting har dware. MINA’ s captive GuideALinks allow cabinets to be linked at various splay angles for flying, gr oundstacking, and transport.
CHAPTER 5: QUICKFLY RIGGING 30 Front GuideAlinks The front GuideALinks act as a pivot p oint between linked MINAs, with the splay angle between the units determined by the rear GuideALink positions. When stowing f ront GuideALinks, the knob is positioned at the top of the slot.
MINA OPERATING INSTRUCTIONS 31 above them, whether they are flo wn or ground- stacked, and other factors. MAPP Online Pro is r ec- ommended for determining the optimum splay angles for loudspeakers and coverage pattern of the array .
CHAPTER 5: QUICKFLY RIGGING 32 TIP: The tilt for th e MG-MINA and the array hung below it can be further tilted by using chain motors, or differing lengths of steel or SpanSets.
MINA OPERATING INSTRUCTIONS 33 MTF-M’ELODIE/MINA T RANSITION FRAME When using MINA for downfill in M’elodie arrays, the MTF-M’elodie/MINA transition frame links the bottom M’elodie to the top MINA. The transition frame can a lso transition from 500-HP sub woofers (fitted with rigging frames) to MINA in flown and groundstac ked arrays.
CHAPTER 5: QUICKFLY RIGGING 34 MY A-MINA MOUNTING Y OKE The MY A-MINA mounting yoke flies up to three MINA loud- speakers from a single hanging point using a C-clamp or equivalent. The yoke includes two bracketing options: the MP A-2 for attaching to two cabinets, and the MP A-3 for attaching to one or thr ee cabinets.
MINA OPERATING INSTRUCTIONS 35 Pole-Mounting MINAs with the MY A-MINA Up to two MINA loudspeakers can be pole-mounted with the MY A-MINA mounting yoke. For pole-mount applica- tions, the yoke support up to 30 degr ees of downtilt and severe uptilts of up to 90 degrees.
CHAPTER 5: QUICKFLY RIGGING 36 FLOOR - AND POLE-MOUNTING MINAS WITH THE MY A-MINA Up to two MINA loudspeakers can be floor - or pole- mounted with the MUB-MINA mounting yoke.
MINA OPERATING INSTRUCTIONS 37 TIP: The MG-MINA grid can travel installed on top of MINA stacks. TIP: Durable nylon covers, sized for stacks of 3, 4, and 5 units, are available to ensure the MINA is completely r oad ready . Safety Guidelines for the MCF-MINA Caster Frame ■ Do not stack more than five MINAs.
CHAPTER 5: QUICKFLY RIGGING 38.
39 CHAPTER 6: RMS REMOTE MONITORING SYSTEM The MINA loudspeaker includes an RMS module, which allows the loudspeaker to be connected to an RMS network. RMS provid es real-time monitoring of multiple Meyer Sound self-powered loudspeakers f rom a Windows-based com- puter .
CHAPTER 6: RMS REMOTE MONITORING SYSTEM 40 The RMS software displays all loudspeakers on the network in a panel with icons, Meter views, and T ext views that can be customized to suit your needs.
MINA OPERATING INSTRUCTIONS 41 Remote Mute Switch The recessed Remote Mut e switch on MINA’ s RMS user panel determines whether the RMS softwar e can control muting and soloing of the lo udspeaker . MINA ships from the factory with the switch enabled.
CHAPTER 6: RMS REMOTE MONITORING SYSTEM 42.
43 CHAPTER 7: SYSTEM DESIGN AND INTEGRATION T OOLS Meyer Sound offers two compr ehensive tools to assist with the acoustical and functional r equirements of system design and optimization.
CHAPTER 7: SYSTEM DESIGN AND INTEGRATION TOOLS 44 Using MAPP Online Pro MAPP Online Pro is compatible with the following operating systems: ■ Windows ■ Linux ® ■ Unix ® ■ Mac OS ® 10.4 or later Additional system requir ements and recommendations ar e available on the MAPP Online Pro website: http://www .
45 APPENDIX A: OPTIONAL RAIN HOOD A weather -prot ected version of MINA is available with a rain hood that safeguar ds the loudspeaker’ s electronics fr om the elements when used outdoors.
APPENDIX A: OPTIONAL RAIN HOOD 46.
47 APPENDIX B: MINA SPECIFICATIONS ACOUSTICA L Operating F requency Range 66 Hz – 18 kHz Note: Reco mmended maximum operating frequenc y range . Response depends on load - ing conditions and r oom acoustics. Frequency Response 70 Hz – 17.5 kHz ±4 dB Note: Measured free field with 1/3 octave frequenc y resolution at 4 meters.
APPENDIX B: MINA SPECIF ICATIONS 48 AMPLIFIE R T y pe Thr ee-c hannel, Class-D Output Power 975 W total (three channels; 2 x 375 W , 1 x 225 W) Note: Wattage rating based on the maximum unclipped burst sine-wave rms volta ge the amplifier will produce into the nomi nal load impedance: 39 V rms low channels, 43 V rms high channel.
MINA OPERATING INSTRUCTIONS 49 MINA COMPLIANCE MINA DIMENSIONS Humidity T o 95% at 35° C Operating Altitude T o 4600 m (1 5,000 ft) Non operating Altitude T o 95% at 35° C Shock 30 g 11 msec half-sin e on each of 6 sides Vibration 10 Hz – 55 Hz (0.
APPENDIX B: MINA SPECIF ICATIONS 50 MINA Dimensions with Rain Hood MINA Dimensions with Rain Hood 18.95 [481 mm] 4.19 [106 mm] 3.75 [95 mm] 15.32 [389 mm] 18.
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Meyer Sound Labo ratories In c. 2832 San Pablo Avenue Berkeley, CA 94702 www.meyersound.com T: +1 510 486.1166 F: +1 510 486.835 © 2010 Meyer Sound. All rights reserved.
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