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Meyer Sound JM-1P manual

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Table of contents for the manual

  • Page 1

    Keep these important operating instructions. Check www .meyerso und.com for updates. OPERATING INSTRUCTIONS JM SERIES JM-1P Arrayable Loudspeaker[...]

  • Page 2

    ii DECLARATION OF CONFORMITY ACCORDIN G TO ISO/IEC GUIDE 22 AND EN 45014 © 2009 Meyer Sound. All rights reserved. JM-1P Operating Instructions, PN 05.202.005.01 A The contents of this manual ar e furnished fo r informational purposes only , are subject to change without notice, and should not be con- strued as a commitment by Meyer Sound Labo rato[...]

  • Page 3

    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. 5. Do not use this loudspeaker near water . 6. Clean only with dry cloth. 7. Do not block any ven[...]

  • Page 4

    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. The receptacle must be connected to a fuse or circui[...]

  • Page 5

    v CONTENTS Chapter 1: Introduction 7 How to Use This Manual 7 Introducing the JM-1P Loudspeaker 7 Chapter 2: Power Requirements 9 AC Power Distribution 9 The AC Connectors 9 Power Connector Wiring 10 JM-1P Voltage Requirements 10 JM-1P Current Requirements 11 Electrical Safety Issues 12 Chapter 3: Amplification and Audio 13 VEAM Cabl ing 13 The Loo[...]

  • Page 6

    CONTENTS vi[...]

  • Page 7

    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 JM-1P loudspeakers. In particular , pay close attention to material related to safety issues. As you read these operating instructions, you will encounter the following icons for notes, ti[...]

  • Page 8

    CHAPTER 1: INTRODUCTION 8 The JM-1P's sophisticated onboar d amplification and pro- cessing produces consistent and predictable r esults in any system design. A proprietary two-channel, class AB/H power amplifier with complementary MOSFET output stages yields a total power output of 1275 W (2550 W peak). Built- in signal processing includes an[...]

  • Page 9

    9 CHAPTER 2: POWER REQUIR EMENTS The JM-1P loudspeaker combines advanced loudspeaker technology with equally advanced power capabilities. Understanding power distribution, voltage and curr ent requir ements, as well as electrical safety issues, is critical to the safe operation of the JM-1P. AC POWER DISTRIBUTION All components in an audio system ([...]

  • Page 10

    CHAPTER 2: POWER REQUIREMENTS 10 The maximum number of loudspeakers that can be looped from the Loo p Output connector is determined by the volt- age of the power sour ce, the circuit br eaker rating, and the rating of the AC power cable connected to the first JM-1P loudspeaker . Each JM-1P loudspeaker ships with one AC looping con- nector for maki[...]

  • Page 11

    JM-1P OPERATING INSTRUCTIONS 11 When powering up the JM-1P, the following startup events take place over several seconds. 1. Audio output is muted. 2. V oltage is detected and the power supply mode is auto- matically adjusted as necessary . 3. The power supply ramps up. 4. The green On/T emp LED o n the user panel lights up, indicating the loudspea[...]

  • Page 12

    CHAPTER 2: POWER REQUIREMENTS 12 ELECTRICAL SAFETY ISSUES Pay close attention to these important electrical and safety issues.  The JM-1P requir es a grounded outlet. Always use a grounded o utlet and plug.  Do not use a ground-lifting adap ter or cut the AC cable ground pin.  Do not exceed the current capa bility of the 20-amp AC Input co[...]

  • Page 13

    13 CHAPTER 3: AMPLIFICATION AND AUDIO The JM-1P low- and high-fr equency drivers are power ed by a proprieta ry two-channel Meyer Sound amplifier with MOSFET output stages. The audio signal is pr ocessed with an electronic cr ossover , correction f ilters for phase and fre- quency response, and driver pr otection circuitry . Each chan- nel has peak[...]

  • Page 14

    CHAPTER 3: AM PLIFICATION AND AUDIO 14 T o calculate the load impedance for the looped loudspeak- ers, divide 10 kOhms (the input impedance for a single JM-1P) by the number of looped loudspeakers. For exam- ple, the load impedance for 10 JM-1P loudspeakers is 1000 ohms (10 kOhms / 10). T o drive this number of lo oped loudspeakers, the sour ce dev[...]

  • Page 15

    JM-1P OPERATING INSTRUCTIONS 15 AMPLIFIER COOLING SYSTEM The amplifier for JM-1P uses natural convection for cooling at low to moderate audio levels; for high audio levels, it uses Meyer Sound’ s proprietary QuietCool fan tec hnology to pre- vent overheating. The QuietCool™ fan only engages at high audio levels, making it virtually inaudible. C[...]

  • Page 16

    CHAPTER 3: AM PLIFICATION AND AUDIO 16[...]

  • Page 17

    17 CHAPTER 4: ADDING SUBWOOFERS TO A JM-1P LOUDS PEAKER SYSTEM 700-HP subwoofers can be added to JM-1P loudspeaker systems to enhance the low-frequency r esponse and increase the overall acoustic power of the system in the low- est frequencies. The idea l ratio of JM-1P loudspeakers to 700-HP subwoofers depends on the fr equency content of the sour[...]

  • Page 18

    CHAPTER 4: ADDING SUBWOOFERS TO A JM-1P LOUDSPEAKER SYSTEM 18 USING DIGITAL SIGNAL PROCESSORS Full-range signals can be connected dir ectly to Meyer Sound self-powered loudspeakers b ecause the loudspeak- ers have built-in active crossovers. Ext er nal crossovers and digital signal pr ocessors are optional and should be used with caution as they ca[...]

  • Page 19

    19 CHAPTER 5: QUICKFLY RIGGING The JM-1P loudspeaker is compatible with Meyer Sound’ s QuickFly system, a comprehensive collection of custom- designed rigging, flying, and mounting options. Comprised of rugged, r eliable, and easy-to-configure components, QuickFly lets you deploy JM-1P loudspeakers as arrays at precise angles to take fu ll advant[...]

  • Page 20

    CHAPTER 5: QUICKFLY RIGGING 20 The JM-1P Quick-Release Pins Each JM-1P ships with four quick-rele ase pins that secure the units when they ar e linked. When inserting and r emoving the pins, press the b utton at the top of the pin to disengage it. When inserted in the GuideALink holes (in the fr ont left corners and rear right corners), the pins la[...]

  • Page 21

    JM-1P OPERATING INSTRUCTIONS 21 3. Secure the r ear GuideALinks with the quick-release pins stored at the c enter top and center bottom of the loud- speaker . The pins can be inserted top down or bottom up. 4. Face the front of the loudspeakers and positio n the loud- speakers so their adjacent front cor ners are as close as possible to each other [...]

  • Page 22

    CHAPTER 5: QUICKFLY RIGGING 22 NOTE: When using M10 knobs to secur e the MP A-JM1 pickup plate to the JM-1P, the sec- ond hanging point fr om the rear is inaccessible. JM-1P Arrays with a Single Pickup Plate A single MP A-JM1P pickup plate can suspend arrays of 2–4 loudspeakers:  For arrays of two JM-1Ps (with 40 degr ees of horizontal coverag[...]

  • Page 23

    JM-1P OPERATING INSTRUCTIONS 23 JM-1P Arrays with T wo Pickup Plates T wo MP A-JM1 pickup plates can suspend arrays of 4–6 loudspeakers:  For arrays of four JM-1Ps (with 80 degr ees of horizontal coverage), attach the two pickup plates between the first and second, and thir d and fourth loudspeakers.  For arrays of five JM-1Ps (with 100 deg[...]

  • Page 24

    CHAPTER 5: QUICKFLY RIGGING 24 THE MTG-JM1 V ERTICAL GRID The optional MTG-JM1 vertical grid suspends JM-1P verti- cal arrays of up to six units. The grid was designed specifi- cally for the JM-1P and is compatible with the GuideALinks and quick-release pins included with the JM-1P. The MTG- JM1 v ertical g rid come s with f our quick -release pins[...]

  • Page 25

    JM-1P OPERATING INSTRUCTIONS 25 THE MDB-JM1 DOLLY BOARD The optional MDB-JM1 dolly boar d transports the JM-1P on caster wheels. Up to three dolly boar ds can be interlocked for transporting up to thr ee linked JM-1Ps. The interlocked dolly boar ds can be oriented normally with all three units facing the same direct ion, or they can be staggered to[...]

  • Page 26

    CHAPTER 5: QUICKFLY RIGGING 26[...]

  • Page 27

    27 CHAPTER 6: THE RMS REMOTE MONITORING SYSTEM An optional RMS remote monitoring system module can be installed in the JM-1P, allowing it to be connected to an RMS network. RMS allows real-time monitoring of multiple Meyer Sound self-power ed loudspeakers from a Windows- based computer . The RMS host computer communicates with Meyer Sound loudspeak[...]

  • Page 28

    CHAPTER 6: THE RMS REMOTE MONITORING SYSTEM 28 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. Lo udspeaker data is updated 2–5 times per second. Ind ividual loudspeakers can be physically identified with the Wink option in RMS, which lights t[...]

  • Page 29

    JM-1P OPERATING INSTRUCTIONS 29 Wink LED (Gr een) The green Win k LED lights when a signal is sent from the RMS software b y clicking the Wink button on the loud- speaker’ s icon or on its T ext view . This is useful for identify- ing the physical loudspeaker corr esponding to a loudspeaker icon in the RMS softwar e. Reset Button Pressing the Res[...]

  • Page 30

    CHAPTER 6: THE RMS REMOTE MONITORING SYSTEM 30[...]

  • Page 31

    31 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. This chapter intr oduces you to MAPP Online Pro, Meyer Sound’ s patented online acoustical pre- diction tool, and SIM 3, a comprehensive system for mea- sureme[...]

  • Page 32

    CHAPTER 7: SYSTEM DESIGN AND INTEGRATION TOOLS 32 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 .meyersound.com/products/mapponline[...]

  • Page 33

    33 APPENDIX A: OPTIONAL VE AM MULTIPIN CONNECTOR The JM-1P can be order ed from the factory with a VEAM all- in-one connector . VEAM connectors consolidate AC power , audio, and RMS into a single cable, facilitating easy connec- tions and quick setups. JM-1P loudspeakers req uire a ground ed outlet. It is very important that the system be pr operly[...]

  • Page 34

    APPENDIX A: OPTIONAL VEAM MULTIPIN CONNECTOR 34[...]

  • Page 35

    35 APPENDIX B: OPTIONAL RAIN HOODS A weather -protected version of the JM-1P is available with rain hood kits that safeguar d the loudspeaker’ s electronics from the elements in f ixed, outdoor installations. The rain hood is available in both vertical (PN 40.185.038.01) and horizontal (PN 40.185.084.02) versions. The rain hood kits are comprised[...]

  • Page 36

    APPENDIX B: OPTIONAL RAIN HOODS 36 3. Secure the upper rain hood frame to the amplifier face with the four 8-32 x .25 flat head scr ews, two at the top and two at the bottom. 4. Attach the upper rain hood assembly to the upper rain hood frame, slipping it under the frame's top flange a nd securing it to the bottom of the frame with the two 8-3[...]

  • Page 37

    JM-1P OPERATING INSTRUCTIONS 37 Installing the Horizontal Rain Hood T o install the JM-1P horizontal rain hood: 1. Attach any requir ed cables to the loudspeaker and orient it horizontally . 2. Remove the bottom two pan head scr ews from the amplifier face. 3. Secure the upper r ain hood frame to the amplifier face with the four 8-32 x .25 flat hea[...]

  • Page 38

    APPENDIX B: OPTIONAL RAIN HOODS 38[...]

  • Page 39

    39 APPENDIX C: JM-1P SPECIFICATIONS ACOUSTICA L Operating F requency Range 53 Hz – 18 kHz Note: Reco mmended maximum operating frequenc y range . Response depends on load - ing conditions and r oom acoustics. Frequency Response 56 Hz – 16.5 kHz ±4 dB Note: Measured free field with 1/3 octave frequenc y resolution at 4 meters. Phase Response 58[...]

  • Page 40

    APPENDIX C: JM-1P SPECIFICATIONS 40 Nominal In put Sensi- tivity 0 dBV (1 V rms, 1.4 V peak) cont inuous average is ty pically the onset of limiting for noise and music Input Level Audio source must be capable of producing +20 dBV (10 V rms, 14 V peak) into 600 Ω to produce maxi mum peak SPL over the operating bandwidth of the loudspeaker AMPLIFIE[...]

  • Page 41

    JM-1P OPERATING INSTRUCTIONS 41 JM-1P COMPLIANCE JM-1P DIMENSIONS W eight W eight 147 lbs (66.68 kg) ENVIRONME NTAL Operating T emperature 0° C to +45° C Non Operati ng T em- perature <–40° C or >+75° C 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-[...]

  • Page 42

    APPENDIX C: JM-1P SPECIFICATIONS 42[...]

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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 © 2009 Meyer Sound Labo ratories In c. 05.202.005.01 A[...]