Page 2 - Supplementary Information
ii ® Copyright 2010 Meyer Sound. All rights reserved. Meyer Sound MM-4/MM-4CEU Operating Instructions. The contents of this manual are furnished for informational purposes only, are subject to change without notice, and should not be construed as a commitment by Meyer Sound Laboratories Inc. Meyer S...
Page 3 - SymbOLS USED
iii SymbOLS USED These symbols indicate important safety or operating features in this booklet and on the chassis: 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this loudspeaker near water. 6. Clean only with dry cloth. 7. Do ...
Page 4 - English; SAfETy SUmmARy
iv English - To reduce the risk of electric shock, disconnect 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 two-pole, three-wire grounding mains receptacle. The receptacle must be con...
Page 5 - CONTENTS
v CONTENTS INTRODUCTION The MM-4 Miniature Wide-Range Loudspeaker 1 The MM-4CEU Control Electronics Unit (Required) 1 ChAPTER 1: Installing the mm-4 Loudspeaker 3 Using the MUB-MM4 U-Bracket 3 Using the MFMA-MM4 Adapter 3 Loudspeaker Connections 3 Standard Connector 4 Weather-Protected Connector 4 E...
Page 7 - NOTE; LOUDSPEAkER; INTRODUCTION
1 INTRODUCTION As you read this manual, you’ll find figures and diagrams to help you understand and visualize what you’re reading. You’ll also find numerous icons that serve as cues to flag important information or warn you against improper or potentially harmful activities. These icons include: A N...
Page 9 - USING ThE mfmA-mm4 ADAPTER; ChAPTER 1: INSTALLING ThE mm-4 LOUDSPEAkER
3 CHAPTER 1 The following MM-4 mounting options accoommodate a variety of different installation requirements: The MUB-MM4 U-bracket, which allows the MM-4 to be mounted on virtually any flat surface and enables you to change the angle of the MM-4 with respect to the mounting surface. The MFMA-M...
Page 10 - Standard Connector; Table 1.1 AWG Wire Resistance for Various Gauges
4 CHAPTER 1 Standard Connector A Phoenix-style keyed connector is fitted to the indoor version of the MM-4 (Figure 1.3). The connector is wired with the left terminal as negative (-) and the right terminal as positive (+), when viewing the loudspeaker from the rear. The Phoenix cable mount connector...
Page 11 - fREqUENCy AND PhASE RESPONSE; ChAPTER 2: ThE mm-4CEU CONTROL ELECTRONICS UNIT
5 CHAPTER 2 The MM-4CEU is a required component for every MM-4 installation. It performs a number of important signal-processing functions to ensure that the MM-4 meets its published specifications and is protected against damaging overload conditions. The MM-4CEU mounts in a standard 19-inch relay ...
Page 12 - AC POWER; LINE LEVEL INPUTS
6 CHAPTER 2 AC POWER The MM-4CEU accommodates international power standards in two ranges: 90 to 130 V AC and 180 to 260 V AC, 50/60 Hz. A rear-panel switch selects between the two. ! CAUTION: Be sure to select the correct range for your local power standard before connecting and operating the MM-4C...
Page 13 - LINE LEVEL OUTPUTS
7 CHAPTER 2 NOTE: Most source equipment is safe for driving loads no smaller than 10 times the source’s output impedance. For source equipment with driving capability of 600 ohms, 16 MM-4CEUs could be safely driven in parallel (10 kOhms divided by 16 equals 625). ! CAUTION: Shorting any input connec...
Page 14 - amplifiers with the highest gain.
8 CHAPTER 2 Channel 2 SpeakerSense Channel 1 SpeakerSense Figure 2.2. Connecting the MM-4CEU control electronics unit NOTE: Amplifiers #1 and #2 are the amplifiers with the highest gain.
Page 15 - Table 3.1 Amplifier Power; The total load of the MM-4; GAIN; The optimal amplifier gain setting for; PROTECTION CIRCUITRy; ChAPTER 3: ChOOSING A POWER AmPLIfIER
9 CHAPTER 3 The MM-4 is designed for high-quality distributed sound systems. To realize the MM-4’s full capabilities, a direct-drive power amplifier capable of 49 volts rms (70 volts peak) at the rated load impedance presented by the line configuration is required. The MM-4 presents a nominal load o...
Page 16 - POWER SUPPLy
10 CHAPTER 3 POWER SUPPLy Some amplifiers are designed so that the internal power supply rails sag as the load current increases. While the amplifier’s rated continuous output at a given load may appear high, its peak output voltage varies with the load impedance. Because a loudspeaker’s impedance c...
Page 17 - mEyER SOUND mAPP ONLINE PRO; ChAPTER 4: SySTEm DESIGN AND INTEGRATION TOOLS
11 CHAPTER 4 Meyer Sound offers two comprehensive tools to assist you with the acoustical and functional requirements of system design and optimization. This chapter introduces you to MAPP Online Pro, Meyer Sound’s powerful online acoustical prediction tool, and SIM 3, a robust instrumentation packa...
Page 18 - SIm 3 mEASUREmENT SySTEm
12 CHAPTER 4 The key to MAPP Online Pro’s value is the accuracy of its predictions. Performance predictions for each Meyer Sound loudspeaker found in MAPP Online Pro are based on a model of that product built from 360 1/48th-octave–band measurements taken with a SIM audio analyzer in our anechoic ch...
Page 19 - APPENDIx A; mm-4 Weather Protected Cable Assembly Procedure; The EN3 cable mount connector accepts conductors up to
13 APPENDIX A APPENDIx A mm-4 Weather Protected Cable Assembly Procedure Cable Boot Cord Connector Cable Clamp Housing Contact Pins Coupling Ring Step 1: Feed the end of the cable through the boot, cable clamp housing, and coupling ring in the order and position shown. Cable 3/8" Max. 7/32" ...
Page 20 - APPENDIx b; Transducer
14 APPENDIX B APPENDIx b mm-4 Specifications Acoustical (mm-4CEU required)Note: To realize the MM-4’s full capabilities, an MM-4CEU must be used. The amplifier driving the loudspeakers should be capable of 49 volts RMS at the rated load impedance, and provide a voltage gain between 10 and 30 dB (20 ...
Page 21 - APPENDIx C; mm-4CEU Specifications; Audio Input
15 APPENDIX C APPENDIx C mm-4CEU Specifications MM-4 Controller Power -15V Peak Limit RMS Limit Sense A B B A Lo Cut In Out Attn dB B A 1 5 6 h 20 10 8 3 2 4 0 1 5 6 h 20 10 8 3 2 4 0 A Amp 1 B Input A Sense - Amp 2 - + + Amp 1 B Sense - - + + Amp 2 Output A B 125 100- 100-125 V50-60 Hz 200- 200-250...
Page 22 - APPENDIx D; mm-4 EN3 fire Alarm Signaling Specifications; Acoustical (fire Alarm Amplifier Required); Do not use the Fire Signaling MM-4 in air handling spaces.
16 APPENDIX D APPENDIx D mm-4 EN3 fire Alarm Signaling Specifications -6 -6 -3 -3 140° 160° 90° 20° 40° 0° 180° Rated Horizontal Axis 3m SPEAKER -6 -6 -3 -3 140° 160° 90° 30° 50° 0° 180° Rated Vertical Axis 3m SPEAKER DIRECTIONAL ChARACTERISTIC Per S541 -07 Sec. 7.5 Acoustical (fire Alarm Amplifier ...
