OPERATING INSTRUCTIONS INDUSTRIAL SERIES MM-10 Miniature Subwoofer MPS-488HP Power Supply Keep these important operating instructions. Check www.meyersound.com for updates.
DECLARATION OF CONFORMITY ACCORDING TO ISO/IEC GUIDE 22 AND EN 45014 Manufacturer’s Name: Meyer Sound Laboratories Inc. Manufacturer’s Address: 2832 San Pablo Avenue Berkeley, CA 94702-2204, USA Declares that the product: Product Names: MM-10 Miniature Subwoofer MPS-488HP Power Supply Product Options: All Conforms to the following Product Specifications: Safety: EN 60065:2002 Supplementary Information: The product herewith complies with the requirements of the Low Voltage Directive (LVD) 2006/95/EC.
SYMBOLS USED These symbols indicate important safety or operating features in this booklet and on the chassis: ! Dangerous voltages: risk of electric shock Important operating instructions Frame or chassis Protective earth ground Pour indiquer les risques résultant de tensions dangereuses Pour indequer important instructions Masse, châssis Terre de protection Warnung vor gefährlicher elektrischer Spannung Wichtige Betriebsanweisung oder Gebrauchsanleitung Rahmen oder Gehäuse Masse Schutzleiter
SAFETY SUMMARY 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 connected to a fuse or circuit breaker. Connection to any other type of receptacle poses a shock hazard and may violate local electrical codes.
CONTENTS Chapter 1: Introduction How to Use This Manual the MM-10 Miniature Subwoofer MM-10 Options Chapter 2: The MM-10XP Subwoofer The MM-10XP Input Connector The MM-10XP Input Polarity Switch The MM-10XP Limit LED MM-10XP Current Draw and Cable Requirements Wiring MM-10XP Loudspeaker Cables with Belden 1502 Cable Chapter 3: Powering MM-10XP Subwoofers with The MPS-488HP The MPS-488HP Front Panel The MPS-488HP Rear Panel MPS-488HP Current Draw Safety Issues Connecting MM-10XP Subwoofers to the MPS-488H
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
CHAPTER 1: INTRODUCTION HOW TO USE THIS MANUAL THE MM-10 MINIATURE SUBWOOFER Make sure to read these operating instructions in their entirety before configuring a loudspeaker system with MM-10s. In particular, pay close attention to material related to safety issues. The MM-10 miniature subwoofer delivers low frequency for applications that require excellent audio quality from a compact system.
CHAPTER 1: INTRODUCTION The MM-10XP Subwoofer The MM-10ACX Subwoofer The MM-10XP is powered by an external 48 V DC power supply, eliminating the need for wiring conduits while still preserving the advantages of self-powered loudspeaker systems. The unit's onboard amplifier and signal-processing circuits were designed to store DC power and tolerate voltage drops, thereby accommodating light-gauge cables and lengthy cable runs.
CHAPTER 2: THE MM-10XP SUBWOOFER The MM-10XP is powered by an external 48 V DC power supply, eliminating the need for wiring conduits while still preserving the advantages of self-powered loudspeaker systems. The unit's onboard amplifier and signal-processing circuits were designed to store DC power and tolerate voltage drops, thereby accommodating light-gauge cables and lengthy cable runs.
CHAPTER 2: THE MM-10XP SUBWOOFER THE MM-10XP INPUT POLARITY SWITCH CAUTION: If the Limit LED turns red and stays solid red after powering up and the audio is muted, the subwoofer has encountered a failure and may need to be serviced. Contact Meyer Sound Technical Support. ! 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.
MM-10 OPERATING INSTRUCTIONS MM-10XP Temperature and Limiting The Limit LED turns solid yellow when its heat sink temperature reaches 65° C (145° F), indicating the unit is reaching its maximum heat dissipation and a reduction in SPL is recommended. While the MM-10XP will continue to operate while the LED is yellow, the limiter threshold is lowered to a safe level (causing the output level to be lowered by 6 dB) to prevent the subwoofer from overheating.
CHAPTER 2: THE MM-10XP SUBWOOFER 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 Table 3. The red and black wires in the Belden 1502 cable have a thicker gauge than the other three wires and should be used for DC power. The blue, white, and shield wires are shielded together and should be used for audio.
CHAPTER 3: POWERING MM-10XP SUBWOOFERS WITH THE MPS-488HP The MPS-488HP power supply delivers DC power and balanced audio to Meyer Sound loudspeakers that require a 48 V DC external power supply. The MPS-488HP is a multichannel, switched-mode, regulated power supply that occupies one space in a standard 19-inch rack. The MPS-488HP can power up to eight MM-10XP subwoofers. THE MPS-488HP FRONT PANEL The MPS-488HP front panel includes a power switch and LEDs for monitoring each loudspeaker channel.
CHAPTER 3: POWERING MM-10XP SUBWOOFERS WITH THE MPS-488HP THE MPS-488HP REAR PANEL Link Switches The MPS-488HP rear panel includes an AC Input connector, eight Channel Inputs for receiving source audio, eight Channel Outputs for delivering DC power and balanced audio, and seven Link switches for routing audio from inputs to outputs. Link switches determine how Channel Inputs are routed to Channel Outputs.
MM-10 OPERATING INSTRUCTIONS Routing Two Inputs to Four Outputs Each To route two Channel Inputs to four Channel Outputs each: 1. Set the Link 4 switch to OFF and all other Link switches to ON.
CHAPTER 3: POWERING MM-10XP SUBWOOFERS WITH THE MPS-488HP MPS-488HPp Channel Outputs The MPS-488HPp Channel Outputs use Phoenix 5-pin male connectors with three pins for balanced audio (positive, negative, and shield) and two for DC Power (positive and negative). These pins are clearly labeled on the MPS-488HPp rear panel. ■ Idle Current — The maximum rms current during idle periods. ■ Maximum Long-Term Continuous Current — The maximum rms current during a period of at least 10 seconds.
MM-10 OPERATING INSTRUCTIONS SAFETY ISSUES Pay close attention to these important electrical and safety issues. ■ The MPS-488HP requires a grounded outlet. CONNECTING MM-10XP SUBWOOFERS TO THE MPS-488HP To connect MM-10XP subwoofers to the MPS-488HP: 1. Power off the MPS-488HP. 2. Connect audio sources (from a mixer or processor) to the MPS-488HP Channel Inputs. Use balanced XLR cables. Earth ground 3.
CHAPTER 3: POWERING MM-10XP SUBWOOFERS WITH THE MPS-488HP a larger 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. 5. Power on the MPS-488HP and monitor the LEDs on its front panel to verify the connections (see “Voltage and Load Current LEDs (1–8)” on page 13). 6.
CHAPTER 4: THE MM-10AC SUBWOOFER The MM-10AC subwoofer includes an internal power supply and locking AC PowerCon connectors. The MM-10AC receives audio from an XLR female Audio In connector, and also includes an XLR male Audio Loop Out connector for daisy-chaining audio signals. AC Input Connector (Blue) The blue AC Input connector supplies power to the MM-10AC. The input is rated at 20 amps and uses a PowerCon3 AC mains locking connector that prevents accidental disconnections.
CHAPTER 4: THE MM-10AC SUBWOOFER Each MM-10AC ships with one AC looping connector for making AC looping cables. Assembled AC looping cables are available from Meyer Sound. CAUTION: Do not exceed the current capability of the 20-amp Input connector for the MM-10AC. When looping MM-10ACs, consider the total current draw for all units on the circuit, including the first.
MM-10 OPERATING INSTRUCTIONS ■ Ultimate Short-Term Peak Current — A rating for fastreacting magnetic breakers. ■ Inrush Current — The spike of initial current encountered when powering on. ■ Do not use a ground-lifting adapter or cut the AC cable ground pin. ■ Do not exceed the current capability of the 20-amp AC Input connector for the MM-10AC. When looping MM-10ACs, consider the total current draw for all units on the circuit, including the first.
CHAPTER 4: THE MM-10AC SUBWOOFER ■ Pin 3 — Signal (–) ■ Case — Earth (AC) ground and chassis Pins 2 and 3 carry the input as a differential signal. Pin 1 is connected to earth through a 220 kOhm, 1000 pF, 15 V clamped network. This circuitry provides virtual ground lift for audio frequencies while allowing unwanted signals to bleed to ground. Make sure to use standard, balanced XLR audio cables with all three pins connected on both ends.
MM-10 OPERATING INSTRUCTIONS Powering On (Green) When powering up the MM-10AC subwoofer, the following startup events occur and are indicated by the Limit LED: tem to achieve the desired SPL without exposing the subwoofers to excessive levels and possible overheating. 1. The LED flashes green and then yellow during power up. 2. The LED turns solid green indicating the subwoofer is ready to reproduce audio.
CHAPTER 4: THE MM-10AC SUBWOOFER 24
CHAPTER 5: THE MM-10ACX SUBWOOFER The MM-10ACX subwoofer includes onboard DC power and audio routing for driving satellite loudspeakers: up to two MM-4XPs, or a single UP-4XP (due to its higher power requirements and current draw). Three independent XLR female Audio In connectors are provided for the subwoofer and satellite loudspeakers. Satellite Out connectors are available as either Phoenix 5-pin male or EN3 5-pin female. The MM-10ACX also includes locking AC PowerCon connectors.
CHAPTER 5: THE MM-10ACX SUBWOOFER AC Loop Output Connector (Gray) POWER CONNECTOR WIRING The gray AC Loop Output connector allows multiple MM-10ACX subwoofers to be looped and powered 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 connector that prevents accidental disconnections. The MM-10ACX requires a grounded outlet.
MM-10 OPERATING INSTRUCTIONS CAUTION: The power source for the MM-10ACX should always operate within the required voltage range, at least a few volts from the upper and lower ranges. This will ensure that AC voltage variations from the service entry — or peak voltage drops due to cable runs — will not cause the subwoofer’s amplifiers to cycle on and off or cause damage to the power supply.
CHAPTER 5: THE MM-10ACX SUBWOOFER ELECTRICAL SAFETY ISSUES THE MM-10ACX AUDIO IN CONNECTORS Pay close attention to these important electrical and safety issues. The MM-10ACX includes three XLR female Audio In connectors for Satellite 1, Satellite 2, and Subwoofer. ■ The MM-10ACX requires a grounded outlet. Always use a grounded outlet and plug.
MM-10 OPERATING INSTRUCTIONS THE MM-10ACX SATELLITE OUT CONNECTORS 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 requirements and current draw). The source audio for the satellite loudspeakers is received from the MM-10ACX’s Audio 1 In and Audio 2 In connectors. The DC power for the satellite loudspeakers is generated by the MM-10ACX’s onboard DC power capabilities.
CHAPTER 5: THE MM-10ACX SUBWOOFER NOTE: The Input Select switch is only included on the MM-10ACX model. The switch only affects the subwoofer signal and has no effect on the Satellite Outs. The Input Select Switch and Summing When the Input Select switch is in the up position (SUM CH 1 + 2), the source signal that is routed to the subwoofer from the Satellite Audio Ins is attenuated.
MM-10 OPERATING INSTRUCTIONS CAUTION: If the Limit LED turns red and stays solid red after powering up and the audio is muted, the subwoofer has encountered a failure and may need to be serviced. Contact Meyer Sound Technical Support. ! CAUTION: If the Limit LED turns solid red and the MM-10ACX continues to output audio, though at reduced levels, the subwoofer’s voltage may have dropped below 90 V AC.
CHAPTER 5: THE MM-10ACX SUBWOOFER MM-10ACX SATELLITE CONFIGURATIONS Single Channel Balanced audio, single channel, to Audio In Satellite 1 Satellite 1 Out to MM-4XP (or UP-4XP) (Balanced audio, 48 V DC) AC power to AC Input MM-10ACX Single-Channel Satellite System (Shown with EN3 Connectors) To configure a single-channel satellite system with one MM-10ACX and either one MM-4XP or one UP-4XP: 1. Connect a single audio signal to Audio In for Satellite 1 on the MM-10ACX. 2.
MM-10 OPERATING INSTRUCTIONS Dual Channel Balanced audio, dual channels, to Satellite 1 Audio In and Satellite 2 Audio In Satellite 1 Out and Satellite 2 Out to MM-4XPs (Balanced audio, 48 V DC) AC power to AC Input MM-10ACX Dual-Channel Satellite System (Shown with EN3 Connectors) To configure a dual-channel satellite system with one MM-10ACX and two MM-4XPs: 4. Connect the Satellite 2 Out from the MM-10ACX to the loudspeaker input of the right MM-4XP. 1.
CHAPTER 5: THE MM-10ACX SUBWOOFER Dual Channel + Sub Channel (2.1) Satellite 1 Out and Satellite 2 Out to MM-4XPs (Balanced audio, 48 V DC) Balanced audio, dual channels, to Satellite 1 Audio In and Satellite 2 Audio In Balanced audio, single channel, to Subwoofer Audio In AC power to AC Input MM-10ACX Dual Channel + Sub Channel System (Shown with EN3 Connectors) To configure a 2.1 satellite system with one MM-10ACX and two MM-4XPs: 4.
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 threaded 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 observed: THE MUB-MM10 U-BRACKET The MUB-MM10 U-bracket mounts the MM-10 on ceilings and walls at adjustable angles.
CHAPTER 6: MOUNTING THE MM-10 Wall-Mounting with the MUB-MM10 The MUB-MM10 U-bracket lets you mount the MM-10 either vertically or horizontally on a wall.
APPENDIX A: MM-10 ACCESSORIES MM-10 ACCESSORIES The following MM-10 accessories are available from Meyer Sound. MM-10 Accessories Part Number Accessory Notes 09.183.001.01 MPS-488HPp external power supply (with US power cord) 09.183.001.02 MPS-488HPp external power supply (with CE power cord) Channel Outputs equipped with Phoenix 5-pin male connectors; use with MM-10XPs equipped with Phoenix connectors 09.183.001.03 MPS-488HPe external power supply (with US power cord) 09.183.001.
APPENDIX A: MM-10 ACCESSORIES PHOENIX AND EN3 LOUDSPEAKER CABLES The following Phoenix and EN3 cables are 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 1502P (plenum) cable. Belden 1502 is a composite cable comprised of two 18 AWG wires for DC power, two 22 AWG wires for balanced audio, and one 24 AWG wire for audio shield.
APPENDIX B: OPTIONAL RAIN HOODS A weather-protected version of the MM-10 subwoofer is available with rain hood kits that safeguard the subwoofer’s electronics from 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 made of a durable, high-impact polycarbonate that is also transparent, allowing the subwoofer's connections and LEDs to be visible. 2.50 [63.
APPENDIX B: OPTIONAL RAIN HOODS 4. Attach the rain hood by slipping it under the flange on 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 to the user panel by inserting the lock pins in the two left holes. Insert the pins all the way so they lock.
APPENDIX C: PHOENIX AND EN3 CABLE ASSEMBLY ASSEMBLING EN3-TO-EN3 LOUDSPEAKER CABLES When connecting MM-10XP loudspeakers equipped with EN3 connectors to the MPS-488HPe power supply, you need an EN3 5-pin female to EN3 5-pin male cable. The following procedure documents how to assemble this cable. If you are starting with an EN3-to-pigtail cable (included with the MM-10XP), you can skip step 5 in this procedure. NOTE: Cable mount connectors cannot connect to other cable mount connectors.
APPENDIX C: PHOENIX AND EN3 CABLE ASSEMBLY 2. If the cable has not been stripped, strip the outer shielding 1” and then strip the black, red, blue, and white wires .275”. 1” 0.275” 3. Solder the five exposed conductors to the five pins on the EN3 cord connector using the following wiring scheme.
MM-10 OPERATING INSTRUCTIONS 5. Repeat the previous steps to attach the EN3 5-pin female connector to the other end of the cable.
APPENDIX C: PHOENIX AND EN3 CABLE ASSEMBLY 2. Insert the five exposed conductors into the five cable holes in the Phoenix connector using the following wiring scheme. Pin #1 Black 48 V DC (–) Pin #2 Red 48 V DC (+) Pin #3 Unshielded Audio shield Pin #4 Blue Audio (–) Pin #5 White Audio (+) Side (cable attached) Connector side up Phoenix 5-Pin Female Cable Mount Connector 3. Secure the conductors by tightening the five screws in the Phoenix conductor. Tighten screws 4.
MM-10 OPERATING INSTRUCTIONS 6. Solder the five exposed conductors to the five pins on the EN3 cord connector using the following wiring scheme. Dimple identifies Pin #1 Pin #5, White, audio (+) Pin #5, White, audio (+) Pin #1, Black, 48 V DC (–) Pin #2, Red, 48 V DC (+) Pin #4, Blue, audio (–) Pin #4, Blue, audio (–) REAR FRONT Pin #3, Unshielded, audio shield Pin Destinations for EN3 5-Pin Female Cable Mount Connector 7.
APPENDIX C: PHOENIX AND EN3 CABLE ASSEMBLY 2. Insert the five exposed conductors, from one end of the cable, into the five cable holes in one of the Phoenix connectors. Use the following wiring scheme. Pin #1 Black 48 V DC (–) Pin #2 Red 48 V DC (+) Pin #3 Shield Audio shield Pin #4 Blue Audio (–) Pin #5 White Audio (+) Side (cable attached) Connector side up Phoenix 5-Pin Female Cable Mount Connector 3. Secure the conductors by tightening the five screws in the Phoenix connector.
APPENDIX D: SPECIFICATIONS MM-10 SPECIFICATIONS (ALL MODELS) MM-10 Specifications (All Models) ACOUSTICAL Operating Frequency Range 33 Hz – 228 Hz Note: Recommended maximum operating frequency range. Response depends on loading conditions and room acoustics. Frequency Response 35 Hz – 208 Hz ±4 dB Note: Free-field, measured with 1/3rd octave resolution at 4 meters. Phase Response 38 Hz – 138 Hz ±45° Maximum Peak SPL 123 dB Note: Measured with music referred to 1 meter.
APPENDIX D: SPECIFICATIONS MM-10 Specifications (All Models) PHYSICAL Enclosure Multi-ply hardwood Finish Black textured Protective Grille Hex-stamped steel with black mesh screen Mounting Top and side nut plates available with 3/8”or M10 threads. MUB-MM10 U-bracket mounts the subwoofer on walls and ceilings at adjustable angles. Dimensions 19” W x 11” H x 12” D (483 mm x 279 mm x 305 mm) Weight 27 lbs (12.
MM-10 OPERATING INSTRUCTIONS MM-10AC Specifications MM-10AC Specifications MM-10AC REAR PANEL Audio Connectors XLR female input with XLR male loop output Pin 1: Chassis/earth through 220 kΩ, 1000 pF, 15 V clamp network to provide virtual ground lift at audio frequencies Pin 2: Signal + Pin 3: Signal – Case: Earth ground and chassis Input Polarity Switch Reverses audio input polarity between pins 2 and 3 AC Power Connectors PowerCon with loop output LED Displays loudspeaker status MM-10AC AC POWER V
APPENDIX D: SPECIFICATIONS MM-10ACX Specifications Satellite Loudspeaker Connectors Two XLR female inputs Two Phoenix 5-pin male or EN3 5-pin female outputs (two pins for DC power, there pins for balanced audio) Note: Satellite loudspeaker connectors only included on the MM-10ACX model.
MM-10 OPERATING INSTRUCTIONS MM-10 DIMENSIONS 6.50 [165 mm] 12.00 [305 mm] 5.00 [127 mm] 19.00 [483 mm] 11.
APPENDIX D: SPECIFICATIONS 52
Meyer Sound Laboratories Inc. 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 Operating Instructions, PN 05.199.005.
