Related Manuals for Meyer Sound MJF-212A
Summary of Contents for Meyer Sound MJF-212A
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Page 1: Operating Instructions
ULTRAseRies OPERATING INSTRUCTIONS MJF-212A High-Power Stage Monitor ™ Keep these important operating instructions. Check www.meyersound.com for updates. - Page 2 MJF-212A, Galileo, Compass, Intelligent AC, RMS, and all alphanumeric product names are trademarks of Meyer Sound. Meyer Sound, Meyer Sound MAPP Online, and SIM are registered trademarks of Meyer Sound Laboratories Inc. (Reg. U.S. Pat. & TM. Off.). All third-party trademarks mentioned herein are the property of their respective trademark holders.
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Page 3: Important Safety Instructions
2. Keep these instructions. 12. Use only with the caster rails or rigging specified by 3. Heed all warnings. Meyer Sound, or sold with the loudspeaker. Handles 4. Follow all instructions. are for carrying only. 5. Do not use this loudspeaker near water. -
Page 4: Safety Summary
Vuelva a conectar la alimentacion without using weather protection par du personnel qualifié et agréé de voltaje una vez efectuadas equipment from Meyer Sound. par le constructeur. todas las interconexiones de Do not allow water or any señalizacion de audio. -
Page 5: Table Of Contents
CONTENTS INTRODUCTION CHAPTER 1: Introducing the mJf-212A High-Power Stage monitor Advanced MJF-212A Driver Technology Integrated Amplifier and Processing Total System Approach CHAPTER 2: Power Requirements AC Power Distribution Looping and Cabling Power Connector Wiring Conventions Voltage Requirements Current Requirements Electrical Safety Issues CHAPTER 3: Amplification and Audio Audio Input Amplification and Protection Circuitry... -
Page 7: Introduction
Information and specifications are applicable as of the date drawings. of this printing. Updates and supplementary information are posted on the Meyer Sound website at: http://www.meyersound.com You can contact Meyer Sound Technical Support at: Tel: +1 510 486.1166 Fax: +1 510 486.8356 E-mail: techsupport@meyersound.com... - Page 8 INTRODUCTION...
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Page 9: Chapter 1: Introducing The Mjf-212A High-Power Stage Monitor
CHAPTER1 CHAPTER 1: INTRODUCING THE mJf-212A HIGH-POwER STAGE mONITOR ADVANCED mJf-212A DRIVER TECHNOlOGy The Meyer Sound MJF-212A is a self-powered stage monitor designed to meet critical monitoring requirements The MJF-212A monitor and its high-powered drivers were in professional applications. Exhibiting flat amplitude designed and manufactured at Meyer Sound’s factory in... -
Page 10: Integrated Amplifier And Processing
MOSFET output stages. In protection. The MJF-212A monitor can be optionally fitted addition, sophisticated control circuitry is housed within with Meyer Sound’s exclusive RMS module, allowing you the cabinet, dramatically simplifying setup and installation. to monitor and troubleshoot an entire RMS-equipped... -
Page 11: Chapter 2: Power Requirements
CHAPTER2 CHAPTER 2: POwER REqUIREmENTS lOOPING AND CAblING The MJF-212A monitor combines advanced self-powered loudspeaker technology with equally advanced power MJF-212A stage monitors use a PowerCon 3-pole AC capabilities. Understanding the power distribution, voltage, mains system with locking connectors to prevent accidental and current requirements, as well as electrical safety disconnection. -
Page 12: Power Connector Wiring Conventions
CHAPTER2 The blue input connector serves as the input for all the units CAUTION: When creating AC cables looped in that circuit and is rated at 20 amps maximum. and distribution systems, it is important Please make sure never to exceed 20 amps on any single to preserve AC line polarity and connect earth connector. -
Page 13: Current Requirements
If the problem persists, please contact V pk (drop) = I pk x R (cable total) Meyer Sound or an authorized service center. The ultimate short-term peak current is used to select the rating of fast-reacting magnetic breakers If voltage drops below the low boundary of either safe Use Table 2.2 as a guide when selecting cable gauge size... -
Page 14: Electrical Safety Issues
In the unlikely event that the circuit breakers on the monitor’s user panel trip (the white center buttons pop out), disconnect the AC power cable. Do not reset the breakers with the AC connected. Contact Meyer Sound for repair information. CAUTION: The MJF-212A monitor requires a grounded connection. -
Page 15: Chapter 3: Amplification And Audio
Pin 1 to Pin 1, Pin 2 to Pin 2, and so forth, to prevent the polarity from The MJF-212A is powered by Meyer Sound MJF amplifier being reversed. modules in a three-channel amplifier configuration with a total power of 1275 watts (2550 watts peak). -
Page 16: Mjf-212A Interconnections
When the level returns to normal — below the All Meyer Sound loudspeakers are tested and shipped limiter’s threshold — the limiter ceases operation. with the drivers in correct alignment. If a driver needs to be replaced, make sure the replacement is reinstalled with the correct polarity. -
Page 17: Cooling System
AC power is removed to allow the heatsink to cool down. If the MJF-212A loudspeaker shuts down again after cooling and reapplying AC power, contact Meyer Sound for repair information. CAUTION: The heatsink can reach temperatures of up to 95° C (203° F) during extreme, high-level operation for extended periods of time. - Page 18 CHAPTER3...
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Page 19: Chapter 4: Rms Remote Monitoring System
CHAPTER4 CHAPTER 4: RmS REmOTE mONITORING SySTEm RMS is a real-time monitoring system that connects Meyer Two-way communication between the RMS software and Sound self-powered loudspeakers with a Windows-based the MJF-212A monitor makes identifying and matching PC at the sound mix position or other location. Optional loudspeakers and icons easy. -
Page 20: Service Button
RMS hardware failure. In this case, the RMS conveniently named for a unique arrangement or performer. communications module may be damaged and you should contact Meyer Sound Technical support. Service button Pressing the Service Button will display an icon on the corresponding loudspeaker display on the RMS screen. -
Page 21: Appendix A: Optional Veam Multipin Connector
06.033.113.01). systems for MJF-212A stage monitors shipped from the In addition, Meyer Sound offers the VIM-4 (VEAM interface factory with the VEAM multipin connector. module) with four VEAM connectors in the front and a... - Page 22 APPENDIXA...
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Page 23: Appendix B: Mjf-212A Specifications And Dimensional Drawings
APPENDIXB APPENDIx b: mJf-212A SPECIfICATIONS AND DImENSIONAl DRAwINGS ACOUSTICAl Note: Recommended maximum operating frequency range. Response depends on loading conditions and room acoustics. Operating frequency range 55 Hz – 18 kHz Note: Recommended maximum operating frequency range. Response depends on loading conditions and room acoustics. - Page 24 APPENDIXB AUDIO INPUT Type Differential, 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 kΩ...
- Page 25 APPENDIXB PHySICAl Enclosure Premium birch plywood Finish Black textured Protective grille Powder-coated, hex-stamped steel, black mesh Dimensions 27.07" w x 16.11" h x 23.00" d (688 mm x 409 mm x 584 mm) Weight 108 lbs (49 kg)
- Page 26 APPENDIXB...
- Page 28 Meyer Sound Laboratories Inc. 2832 San Pablo Avenue Berkeley, CA 94702 www.meyersound.com ©2007 T: +1 510 486.1166 Meyer Sound Laboratories Inc. F: +1 510 486.8356 05.157.005.02 A...