Meyer-sound JM-1P Manuel d'utilisateur

Keep these important operating instructions. Check www.meyersound.com for updates.OPERATING INSTRUCTIONSJM SERIES JM-1P Arrayable Loudspeaker

CHAPTER 2: POWER REQUIREMENTS10The maximum number of loudspeakers that can be looped from the Loop Output connector is determined by the volt-age of t

JM-1P OPERATING INSTRUCTIONS11When powering up the JM-1P, the following startup events take place over several seconds.1. Audio output is muted.2. Vol

CHAPTER 2: POWER REQUIREMENTS12ELECTRICAL SAFETY ISSUESPay close attention to these important electrical and safety issues. The JM-1P requires a grou

13CHAPTER 3: AMPLIFICATION AND AUDIOThe JM-1P low- and high-frequency drivers are powered by a proprietary two-channel Meyer Sound amplifier with MOSF

CHAPTER 3: AMPLIFICATION AND AUDIO14To calculate the load impedance for the looped loudspeak-ers, divide 10 kOhms (the input impedance for a single JM

JM-1P OPERATING INSTRUCTIONS15AMPLIFIER COOLING SYSTEMThe amplifier for JM-1P uses natural convection for cooling at low to moderate audio levels; for

CHAPTER 3: AMPLIFICATION AND AUDIO16

17CHAPTER 4: ADDING SUBWOOFERS TO A JM-1P LOUDSPEAKER SYSTEM700-HP subwoofers can be added to JM-1P loudspeaker systems to enhance the low-frequency r

CHAPTER 4: ADDING SUBWOOFERS TO A JM-1P LOUDSPEAKER SYSTEM18USING DIGITAL SIGNAL PROCESSORSFull-range signals can be connected directly to Meyer Sound

19CHAPTER 5: QUICKFLY RIGGINGThe JM-1P loudspeaker is compatible with Meyer Sound’s QuickFly system, a comprehensive collection of custom-designed rig

iiDECLARATION OF CONFORMITY ACCORDING TO ISO/IEC GUIDE 22 AND EN 45014© 2009 Meyer Sound. All rights reserved.JM-1P Operating Instructions, PN 05.202

CHAPTER 5: QUICKFLY RIGGING20The JM-1P Quick-Release PinsEach JM-1P ships with four quick-release pins that secure the units when they are linked. Whe

JM-1P OPERATING INSTRUCTIONS213. Secure the rear GuideALinks with the quick-release pins stored at the center top and center bottom of the loud-speake

CHAPTER 5: QUICKFLY RIGGING22NOTE: When using M10 knobs to secure the MPA-JM1 pickup plate to the JM-1P, the sec-ond hanging point from the rear is in

JM-1P OPERATING INSTRUCTIONS23JM-1P Arrays with Two Pickup PlatesTwo MPA-JM1 pickup plates can suspend arrays of 4–6 loudspeakers: For arrays of four

CHAPTER 5: QUICKFLY RIGGING24THE MTG-JM1 VERTICAL GRIDThe optional MTG-JM1 vertical grid suspends JM-1P verti-cal arrays of up to six units. The grid

JM-1P OPERATING INSTRUCTIONS25THE MDB-JM1 DOLLY BOARDThe optional MDB-JM1 dolly board transports the JM-1P on caster wheels. Up to three dolly boards

CHAPTER 5: QUICKFLY RIGGING26

27CHAPTER 6: THE RMS REMOTE MONITORING SYSTEMAn optional RMS remote monitoring system module can be installed in the JM-1P, allowing it to be connecte

CHAPTER 6: THE RMS REMOTE MONITORING SYSTEM28The RMS software displays all loudspeakers on the network in a panel with icons, Meter views, and Text vi

JM-1P OPERATING INSTRUCTIONS29Wink LED (Green)The green Wink LED lights when a signal is sent from the RMS software by clicking the Wink button on the

iiiSYMBOLS USEDThese symbols indicate important safety or operating features in this booklet and on the chassis:IMPORTANT SAFETY INSTRUCTIONS1. Read t

CHAPTER 6: THE RMS REMOTE MONITORING SYSTEM30

31CHAPTER 7: SYSTEM DESIGN AND INTEGRATION TOOLSMeyer Sound offers two comprehensive tools to assist with the acoustical and functional requirements o

CHAPTER 7: SYSTEM DESIGN AND INTEGRATION TOOLS32Using MAPP Online ProMAPP Online Pro is compatible with the following operating systems: Windows Lin

33APPENDIX A: OPTIONAL VEAM MULTIPIN CONNECTORThe JM-1P can be ordered from the factory with a VEAM all-in-one connector. VEAM connectors consolidate

APPENDIX A: OPTIONAL VEAM MULTIPIN CONNECTOR34

35APPENDIX B: OPTIONAL RAIN HOODSA weather-protected version of the JM-1P is available with rain hood kits that safeguard the loudspeaker’s electronic

APPENDIX B: OPTIONAL RAIN HOODS363. Secure the upper rain hood frame to the amplifier face with the four 8-32 x .25 flat head screws, two at the top a

JM-1P OPERATING INSTRUCTIONS37Installing the Horizontal Rain HoodTo install the JM-1P horizontal rain hood:1. Attach any required cables to the loudsp

APPENDIX B: OPTIONAL RAIN HOODS38

39APPENDIX C: JM-1P SPECIFICATIONSACOUSTICALOperating Frequency Range53 Hz – 18 kHzNote: Recommended maximum operating frequency range. Response depen

ivSAFETY SUMMARYEnglish To reduce the risk of electric shock, dis-connect the loudspeaker from the AC mains before installing audio cable. Reconnect

APPENDIX C: JM-1P SPECIFICATIONS40Nominal Input Sensi-tivity0 dBV (1 V rms, 1.4 V peak) continuous average is typically the onset of limiting for nois

JM-1P OPERATING INSTRUCTIONS41JM-1P COMPLIANCEJM-1P DIMENSIONSWeight Weight 147 lbs (66.68 kg)ENVIRONMENTALOperating Temperature 0° C to +45° CNon Ope

APPENDIX C: JM-1P SPECIFICATIONS42

Meyer Sound Laboratories Inc. 2832 San Pablo Avenue Berkeley, CA 94702www.meyersound.com T: +1 510 486.1166 © 2009Meyer Sound Laboratories Inc.05.202.

vCONTENTSChapter 1: Introduction 7How to Use This Manual 7Introducing the JM-1P Loudspeaker 7Chapter 2: Power Requirements 9AC Power Distribution 9The

CONTENTSvi

7CHAPTER 1: INTRODUCTIONHOW TO USE THIS MANUALMake sure to read these operating instructions in their entirety before configuring a loudspeaker system

CHAPTER 1: INTRODUCTION8The JM-1P's sophisticated onboard amplification and pro-cessing produces consistent and predictable results in any system

9CHAPTER 2: POWER REQUIREMENTSThe JM-1P loudspeaker combines advanced loudspeaker technology with equally advanced power capabilities. Understanding p