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Meyer Sound MPS-488 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 INDUSTRIAL SERIES MM-10 Miniature Subwoofer MPS-488HP Power Supply[...]

  • Page 2

    ii DECLARATION OF CONFORMITY ACCORDIN G TO ISO/IEC GUIDE 22 AND EN 45014 © 2010 Meyer Sound. All rights reserved. MM-10 Operating Instructi ons, PN 05.199.005.01 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 rat[...]

  • 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 the MM-10 Miniature Subwoofer 7 MM-10 Options 8 Chapter 2: The MM-10XP Subwoofer 9 The MM-10XP Input Connector 9 The MM-10XP Input Polarity Switch 10 The MM-10XP Limit LED 10 MM-10XP Current Draw and Cable Requirements 11 Wiring MM-10XP Loudspeaker Cables with Belden 1502 Cable 12 Chapte[...]

  • Page 6

    CONTENTS vi Appendix A: MM-10 Accessories 37 Appendix B: Optional Rain Hoods 39 Appendix C: Phoenix and EN3 Cable Assembly 41 Appendix D: Specifications 47[...]

  • 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 MM-10s. In particular , pay close attention to material r elated to safety issues. As you read these operating instructions, you will encounter the following icons for notes, tips, and cau[...]

  • Page 8

    CHAPTER 1: INTRODUCTION 8 The MM-10XP Subwoofer The MM-10XP is power ed by an external 48 V DC power supply , eliminating the need for wiring conduits while still preserving the ad vantages of self-powered loudspeaker systems. The unit's onboard amplifier and signal-processing circuits wer e designed to store DC power and tolerate volt- age dr[...]

  • Page 9

    9 CHAPTER 2: THE MM-10XP SUBWOOFER The MM-10XP is power ed by an external 48 V DC power supply , eliminating the need for wiring conduits while still preserving the ad vantages of self-powered loudspeaker systems. The unit's onboard amplifier and signal-processing circuits wer e designed to store DC power and tolerate volt- age drops, the reby[...]

  • Page 10

    CHAPTER 2: THE MM-10XP SUBWOOFER 10 THE MM-10XP INPUT POLARITY SWITCH The Input Polarity switch swaps the polarity of the audio source signal, which is sometimes necessary to acoustically align the subwoofer with other loudspeakers in the system. When the switch is in the up (non-inverting) position, the positive audio pin (+) is hot r elative to t[...]

  • Page 11

    MM-10 OPERATING INSTRUCTIONS 11 MM-10XP T emperatur e and Limiting The Limit LED turns solid yellow when its heat sink tempera- ture r eaches 65° C (145° F), indicating the unit is reaching its maximum heat dissipation and a r eduction in SPL is recom- mended. While the MM-10XP will continue to ope rate while the LED is yellow , the limiter thres[...]

  • Page 12

    CHAPTER 2: THE MM-10XP SUBWOOFER 12 WIRING MM-10XP LOUDSPEAKER CABLES WITH BELDEN 1502 CABLE When wiring MM-10XP loudspeaker cables with Belden 1502 or an equivalent cable, use the conventions in T able 3. The red and black w ires in the Belden 1502 cable have a thicker gauge than the other thr ee wires and should be used for DC power . The blue, w[...]

  • Page 13

    13 CHAPTER 3: POWERING MM-10XP SUBWOOFERS WITH THE MPS-488HP The MPS-488HP power supply delivers DC power and bal- anced audio to Meyer Sound loudspeakers that r equire a 48 V DC external power supply . The MPS-488HP is a multi- channel, switched-mode, r egulated power supply that occu- pies one space in a standar d 19-inch rack. The MPS-488HP can [...]

  • Page 14

    CHAPTER 3: POWERING MM-10XP SUBWOOFERS WITH THE MPS-488HP 14 THE MPS-488HP REAR PANEL The MPS-488HP r ear panel incl udes an AC Input connector , eight Channel Inputs for r eceiving source audio, eight Chan- nel Outputs for delivering DC power and b alanced audio, and seven Link switches for r outing audio from inputs to outputs. AC Input The MPS-4[...]

  • Page 15

    MM-10 OPERATING INSTRUCTIONS 15 Routing T wo Inputs to Four Outputs Each T o route two Channel Inputs to fou r Channel Outputs each: 1. Set the Link 4 switch to OFF and all other Link switches to ON. Routing Eigh t Inputs to E ight Sep arate Outputs T o route eight Channel Inputs to eight sep arate Channel Outputs: ■ Set all Link switches to OFF [...]

  • Page 16

    CHAPTER 3: POWERING MM-10XP SUBWOOFERS WITH THE MPS-488HP 16 MPS-488HPp Channel Outputs The MPS-488HPp Channel Outputs use Phoenix 5-pin male connectors with thre e pins for balanced audio (positive, neg- ative, and shield) and two for DC Power (positive and neg a- tive). These pins are clearly labeled on the MPS-488HPp rear panel. Each MPS-488HPp [...]

  • Page 17

    MM-10 OPERATING INSTRUCTIONS 17 SAFETY ISSUES Pay close attention to these important electrical and safety issues. ■ The MPS-488HP requir es a grounded outlet. ■ Do not use a ground-lifting adap ter or cut the AC cable ground pin. ■ Keep all liquids away from the MPS-48 8HP to avoid haz- ards fr om electrical shock. ■ Do not operate the uni[...]

  • Page 18

    CHAPTER 3: POWERING MM-10XP SUBWOOFERS WITH THE MPS-488HP 18 a lar ger gauge for the DC cable so you can achieve longer cable runs (see “Cable Lengths and Cable Gauges for MM-10XPs” on page 11). ■ When connecting MM-10XP subwoofers equipped with EN3 connectors to the MPS-488HPe power supply , use EN3 5-pin male to EN3 5-pin female cables. ■[...]

  • Page 19

    19 CHAPTER 4: THE MM-10AC SUBWOOFER The MM-10AC subwoofer includes an internal power supply and locking AC PowerCon connectors. T he MM-10AC receives aud io from an XLR female Audio In connecto r , and also includes an XLR male Audio Loop Out connector for daisy-chaining audio signals. THE MM-10AC AC CONNECTORS The MM-10AC subwoofer combines advanc[...]

  • Page 20

    CHAPTER 4: THE MM-10AC SUBWOOFER 20 Each MM-10AC ships with one AC looping connector for making AC looping cables. Assembled AC looping cables are available fr om Meyer Sound. CAUTION: Do not exceed the current capabil- ity of the 20-amp Input connector for the MM-10AC. When looping MM-10ACs, consider the total curr ent draw for all units on the ci[...]

  • Page 21

    MM-10 OPERATING INSTRUCTIONS 21 ■ 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. Y ou can use the following table as a guide for selecting cable gauges and circuit br eaker ratings for the system’ s operating voltage. T[...]

  • Page 22

    CHAPTER 4: THE MM-10AC SUBWOOFER 22 ■ Pin 3 — Signal (–) ■ Case — Earth (AC) ground and chassis Pins 2 and 3 carry the input as a differ ential signal. Pin 1 is connected to earth thr ough a 220 kOhm, 1000 pF , 15 V clamped network. This circuitry pr ovides virtual gro und lift for audio fr equencies while allowing unwanted signals to ble[...]

  • Page 23

    MM-10 OPERATING INSTRUCTIONS 23 Powering On (Green) When powering up the MM-10AC subwoofer , the following startup events occur and are indicated by the Limit LED: 1. The LED flashes green and t hen yellow during power up. 2. The LED turns solid green indicating the subwoofer is ready to r eproduce audio. CAUTION: If the Limit LED turns red and sta[...]

  • Page 24

    CHAPTER 4: THE MM-10AC SUBWOOFER 24[...]

  • Page 25

    25 CHAPTER 5: THE MM-10ACX SUBWOOFER The MM-10ACX subwoofer includes onboar d DC power and audio r outing for driving satellite loudspeakers: up to two MM-4XPs, or a single UP-4XP (due to its higher power requir ements and current draw). Thr ee independent XLR female Audio In connectors ar e provided for the subwoofe r and satellite loudspeakers. S[...]

  • Page 26

    CHAPTER 5: THE MM-10ACX SUBWOOFER 26 AC Loop Output Connector (Gray) The gray AC Loop Output connector allows multiple MM-10ACX subwoofers to be looped and power ed from a single power source . Connect the AC Loop Output of the first MM-10ACX to the AC Input of the second MM-10ACX, and so forth. The AC Loop Output uses a PowerCon3 AC mains locking [...]

  • Page 27

    MM-10 OPERATING INSTRUCTIONS 27 CAUTION: The power source for the MM-10ACX should always operate within the requir ed voltage range, at least a few volts from the upper and lower ranges. This will ensure that AC volt- age variations from the service entry — or peak volt- age drops due to cable runs — will not cause the subwoofer’ s amplifiers[...]

  • Page 28

    CHAPTER 5: THE MM-10ACX SUBWOOFER 28 ELECTRICAL SAFETY ISSUES Pay close attention to these important electrical and safety issues. ■ The MM-10ACX r equires a ground ed 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 [...]

  • Page 29

    MM-10 OPERATING INSTRUCTIONS 29 THE MM-10ACX SATELLITE OUT CONNECTO RS The Satellite Out connectors deliver DC power (48 V DC) and balanced audio to satellite loudspeakers: up to two MM-4XPs, or a single UP-4XP (due to its higher power requir ements and current draw). The sour ce audio for the satellite loudspeakers is received fr om the MM-10ACX?[...]

  • Page 30

    CHAPTER 5: THE MM-10ACX SUBWOOFER 30 NOTE: The Input Select switch is only included on the MM-10ACX model. The switch only affects the subwoofer signal and has no ef fect on the Satellite Outs. The Input Select Sw itch and Summing When the Input Select switch is in the up position (SUM CH 1 + 2), the source signal that is r outed to the subwoofer f[...]

  • Page 31

    MM-10 OPERATING INSTRUCTIONS 31 CAUTION: If the Limit LED turns red and stays solid red aft er powering up and the audio is muted, the subwoofer has encounter ed a failure and may need to be serviced. Contact Meyer Sound T echnical Support. CAUTION: If the Limit LED turns s olid red and the MM-10ACX continues to output audio, though at red uced lev[...]

  • Page 32

    CHAPTER 5: THE MM-10ACX SUBWOOFER 32 MM-10ACX SATELLITE CONFIGURATIONS Single Channel T o configure a single-channel satellite system with one MM-10ACX and either o ne MM-4XP or one UP-4XP: 1. Connect a single audio signal to Audio In for Satellite 1 on the MM-10ACX. 2. Connect Satellite 1 Out from the MM-10ACX to the loud- speaker input of the MM-[...]

  • Page 33

    MM-10 OPERATING INSTRUCTIONS 33 Dual Channel T o configure a dual-channel satellite system with one MM-10ACX and two MM-4XPs: 1. Connect the left audio signal to Audio In for Satellite 1 on the MM-10ACX. 2. Connect the right audio signal to Audio In for Satellit e 2 on the MM-10ACX. 3. Connect the Satellite 1 Out fr om the MM-10ACX to the loudspeak[...]

  • Page 34

    CHAPTER 5: THE MM-10ACX SUBWOOFER 34 Dual Channel + Sub Channel (2.1) T o configure a 2.1 satellite system with one MM-10ACX and two MM-4XPs: 1. Connect the left audio signal to Audio In for Satellite 1 on the MM-10ACX. 2. Connect the right audio signal to Audio In for Satellit e 2 on the MM-10ACX. 3. Connect the subwoofer audio signal to the Subwo[...]

  • Page 35

    35 CHAPTER 6: MOUNTING THE MM-10 The MM-10 is available with top and side nut plates with either 3/8"-16 or metric M10 thread ed nuts. The optional MUB-MM10 u-bracket mounts the MM-10 on ceilings and walls at adjustable angles. IMPORTANT SAFETY CONSIDERATIONS When installing Meyer Sound loudspeakers, the following precautions should always be [...]

  • Page 36

    CHAPTER 6: MOUNTING THE MM-10 36 W all-Mounting with the MUB-MM10 The MUB-MM10 U-bracket lets you mount the MM-10 either vertically or horizontally on a wall. MUB-MM10, Horizontal Wall Mount[...]

  • Page 37

    37 APPENDIX A: MM-10 ACCESSORIES MM-10 ACCESSORIES The following MM-10 accessories are available fr om Meyer Sound. PHOENIX AND EN3 CABLE CONNECTORS AND ADAPTERS The following Phoenix and EN3 cable connectors and adapters ar e available from Meyer Sound. MM-10 Accessories Part Number Accessory Not es 09.183.001.01 MPS-488HPp exter nal power supply [...]

  • Page 38

    APPENDIX A: MM-10 ACCESSORIES 38 PHOENIX AND EN3 LOUDSPEAKER CABLES The following Phoenix and EN3 cables ar e available from Meyer Sound and can be used to connect MM-10XPs to MPS-488HPs, as well as to connect MM -10ACXs to satellite loudspeakers. NOTE: Phoenix and EN3 loudspeaker cables and bulk cable use Belden 1502R (regular) or Belden 1502 P (p[...]

  • Page 39

    39 APPENDIX B: OPTIONAL RAIN HOODS A weather -protected version of the MM-10 subwoofer is avail- able with rain hood kits that safeguar d the subwoofer’ s elec- tronics fr om the elements in fixed, outdoor installations. The rain hood is available in both horizontal ( PN 40.174.015.01) and vertical (PN 40.174.015.02) versions. The rain hood is ma[...]

  • Page 40

    APPENDIX B: OPTIONAL RAIN HOODS 40 4. Attach the rain hood by slipping it under the flange o n the right side of the subwoofer , placing it flush against the user panel. Align the rain hood’ s holes with those in the panel. 5. Secure the rain hood t o the user panel by inserting the lock pins in the two left holes. Insert the p ins all the way so[...]

  • Page 41

    41 APPENDIX C: PHOENIX AND EN3 CABLE ASSEM BLY ASSEMBLING EN3-TO-EN3 LOUDSPEAKER CABLES When connecting MM-10XP loudspeakers equip ped with EN3 connectors to the MPS-488HPe power supply , you need an EN3 5-pin female to EN3 5-pin male cable. The following pr ocedure documents how to assemble this cable. If you a re start- ing with an EN3-to-pigtail[...]

  • Page 42

    APPENDIX C: PHOENIX AND EN3 CABLE ASSEMBLY 42 2. If the cable has not been stripped, strip the outer shielding 1” and then strip the black, red, blue, and white wir es .275”. 3. Solder the five exposed conductors to the five pins on the EN3 cor d connector using the following wiring scheme. 4. Reassemble the EN3 5-pin male connector: ■ Align [...]

  • Page 43

    MM-10 OPERATING INSTRUCTIONS 43 5. Repeat the previous steps to attach the EN3 5-pin female connector to the other end of the cable. ASSEMBLING EN3-TO-PHOENIX LOUDSPEAKER CABLES When connecting MM-10XP loudspeakers equip ped with EN3 connectors to the MPS-488HPp power supply , you need an EN3 5-pin female to Phoenix 5-pin female cable. T he followi[...]

  • Page 44

    APPENDIX C: PHOENIX AND EN3 CABLE ASSEMBLY 44 2. Insert the five exposed conductors into the five cable holes in the Phoenix connector using th e following wiring scheme. 3. Secure the conductors by tightening t he five screws in the Phoenix conductor . 4. Disassemble the EN3 5-pin female connector and feed one end of the cable through the boot, ca[...]

  • Page 45

    MM-10 OPERATING INSTRUCTIONS 45 6. Solder the five exposed conductors to the five pins on the EN3 cor d connector using the following wiring scheme. 7. Reassemble the EN3 5-pin female connector: ■ Align the coupling ring’ s side notches with the cord connector’ s side notches and slide the couple ring onto the cor d connector . ■ Carefully [...]

  • Page 46

    APPENDIX C: PHOENIX AND EN3 CABLE ASSEMBLY 46 2. Insert the five exposed conductors, fr om one end of the cable, into the five c able holes in one of the Phoenix connectors. Use the following wiring scheme. 3. Secure the conductors by tightening t he five screws in the Phoenix connector . 4. Repeat the previous steps and attach the other end of the[...]

  • Page 47

    47 APPENDIX D: SPECIFICATIONS MM-10 SPECIFICATIONS (ALL MODELS) MM-10 Specific ations (All Mod els) ACOUSTICA L Operating Frequency Range 33 Hz – 228 Hz Note: Rec ommended maximum operating frequency rang e. Response depends on loadi ng condi- tions and room acousti cs. Frequency Response 35 Hz – 208 Hz ±4 dB Note: Free-field, measur ed with 1[...]

  • Page 48

    APPENDIX D: SPECIFICATIONS 48 MM-10XP Specifications PHYSICAL Enclosure Multi-ply hardwood Finish Black textured Protective Grille Hex-stam ped steel with blac k mesh screen Mounting T op and side nut plates available with 3/ 8”or M10 threads. MUB-MM 10 U-bracket mounts the sub- woofer on walls and c eilings at adjustable angles. Dimensions 19”[...]

  • Page 49

    MM-10 OPERATING INSTRUCTIONS 49 MM-10AC Specifications MM-10ACX Specifications MM-10AC Specif ications MM-10AC REAR PANEL Audio Connectors XLR female inpu t with XLR male loop output Pin 1: Chassis/earth through 220 k Ω , 1000 pF , 15 V clamp network to pr ovide virtual ground lift at audio frequencies Pin 2: Signal + Pin 3: Signal – Case: Earth[...]

  • Page 50

    APPENDIX D: SPECIFICATIONS 50 MM-10 COMPLIANCE Satellite Loudspeaker Connect ors T wo XLR female i nputs T wo Phoenix 5-pin male or EN3 5-pin female outputs (two pins for DC power , th ere pins for balanced audio) Note: Satellite loudspeaker connectors onl y included on the MM-10ACX model. LED Displays loudspe aker status MM-10ACX AC POWER V oltage[...]

  • Page 51

    MM-10 OPERATING INSTRUCTIONS 51 MM-10 DIMENSIONS MM-10 Dimensions 19.00 [483 mm] 11.00 [279 mm] 12.00 [305 mm] 5.00 [127 mm] 6.50 [165 mm][...]

  • Page 52

    APPENDIX D: SPECIFICATIONS 52[...]

  • Page 53

    [...]

  • Page 54

    Meyer Sound Labo ratories In c. 2832 San Pablo Avenue Berkeley, CA 94702 www.meyersound.com T: +1 510 486.1166 F: +1 510 486.8356 © 2010 Meyer Sound. All rights reserved. MM-10 Operatin g Instructions, PN 05.199.005.01 A[...]