Meyer Sound 1100-LFC Operating Instructions Manual
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Meyer Sound 1100-LFC Operating Instructions Manual

Low-frequency control element
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OPERATING INSTRUCTIONS
LF
1100-LFC Low-Frequency Control Element
Keep these important operating instructions.
Check www.meyersound.com for updates.

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Summary of Contents for Meyer Sound 1100-LFC

  • Page 1 OPERATING INSTRUCTIONS 1100-LFC Low-Frequency Control Element Keep these important operating instructions. Check www.meyersound.com for updates.
  • Page 2 The contents of this manual are furnished for informational purposes only, are subject to change without notice, and should not be con- strued as a commitment by Meyer Sound Laboratories Inc. Meyer Sound assumes no responsibility or liability for any errors or inaccura- cies that may appear in this manual.

  • Page 3: Important Safety Instructions

    2. Keep these instructions. 12. Use only with the caster rails or rigging specified by 3. Heed all warnings. Meyer Sound, or sold with the apparatus. Handles are 4. Follow all instructions. for carrying only. 5. Do not use this apparatus near water.
  • Page 4 Wassereinwirkung oder übermäßig hoher Luft- feuchtigkeit ausgesetzt werden könnte, solange es sich nicht um ein Produkt handelt, dass mit der Meyer Sound English Weather Protection Option ausgestattet ist. • To reduce the risk of electric shock, disconnect the •...
  • Page 5 1100-LFC OPERATING INSTRUCTIONS • Pour réduire les risques de surchauffe, évitez d’exposer Todas las demás reparaciones deben ser realizadas úni- directement l’enceinte aux rayons du soleil. Ne l’installez camente por personal de servicio capacitado de fábrica. pas à proximité de sources de chaleur, radiateur ou four par exemple.
  • Page 6 IMPORTANT SAFETY INSTRUCTIONS...

  • Page 7: Table Of Contents

    Compass RMS Software RMS Module Neuron ID for RMS Module Resetting the RMS Module Chapter 6: System Design and Integration Tools MAPP System Design Tool SIM Measurement System Appendix A: Meyer Sound Weather Protection Weather Protection Components Installation Practices IP Ratings...
  • Page 8 Appendix B: Rain Hoods Expanding the 1100-LFC Collapsible Rain Hood Appendix C: Specifications 1100-LFC Dimensions viii...

  • Page 9: Chapter 1: Introduction

    • Tel: +1 510 486.1166 Protective plastic skids are included on the bottom of the • Tel: +1 510 486.0657 (after hours support) 1100-LFC cabinet that securely align with the cabinet’s top • Web: www.meyersound.com/support slots. Units can be stacked normally or reversed for cardioid configurations.
  • Page 10 Figure 2: MTG-1100 Top Grid with 1100-LFC Array requirements. For touring and portable systems, the 1100-LFC can travel securely in stacks of three units with the optional MCF-1100 caster frame (Figure 3). Durable nylon covers, accommodating stacks of two or three units, are optionally available to ensure the 1100-LFC is completely road ready.

  • Page 11: Chapter 2: Power Requirements

    This system AC INPUT delivers 208 V AC to each loudspeaker. The 1100-LFC user panel includes an AC Input connector that supplies power to the loudspeaker. The 3-conductor PowerCON 32 (see Figure 6) is rated at 32 A and uses a...
  • Page 12 CHAPTER 2: POWER REQUIREMENTS Figure 6: PowerCON 32 AC Input Connector The 1100-LFC ships with a black powerCON 32 cable mount connector, rated at 32 A, for assembling AC power cables. Make sure to use an AC power cable that is wired correctly (see “Wiring AC Power Cables”...

  • Page 13: Wiring Ac Power Cables

    1100-LFC OPERATING INSTRUCTIONS WIRING AC POWER CABLES Supported PowerCON 32 Cable Gauges The 1100-LFC ships with a black powerCON 32 cable While the powerCON 32 connector supports cable gauges mount connector (Figure 7), rated at 32 A, for assembling of 14–10 AWG (2.5–6.0 mm ), because of the 1100-LFC’s...

  • Page 14: Do Not Reset Circuit Breakers

    Continuous amperages is recommended to prevent peak energize or disconnect the other end of the cable. voltage drops at the service entry. • The 1100-LFC requires a grounded outlet. Always use a grounded outlet and plug. NOTE: For best performance, the AC cable volt- age drop should not exceed 10 V (5 percent at •...
  • Page 15 • Use the cable rings (see “Cable Rings” on page 18) on the rear of the the 1100-LFC cabinet to reduce strain on the AC power cable (and audio cables). Do not use the cable rings for any other purpose.
  • Page 16 CHAPTER 2: POWER REQUIREMENTS...

  • Page 17: Chapter 3: Amplification And Audio

    Each channel has peak and rms limiters that prevent driver balanced audio and RMS signals. over-excursion and regulate voice coil temperatures. The 1100-LFC user panel (Figure 9) includes Input and Loop output connectors for audio, Limit and Active LEDs, and RMS connectors and controls (see Chapter 5, “RMS Remote Monitoring System”).

  • Page 18: Cable Rings

    The XLR 3-pin or 5-pin male Loop output connector allows multiple loudspeakers to be looped from a single audio Two cable rings are provided on the rear of the 1100-LFC source. The Loop output connector uses the same wiring cabinet (Figure 12). Power and audio cables should be tied scheme as the Input connector (see “Audio Input (XLR 3-Pin...

  • Page 19: Amplifier Cooling System

    AMPLIFIER COOLING SYSTEM compression at high levels over lengthy periods, which helps regulate voice coil temperatures, thereby extending The 1100-LFC employs forced-air cooling with six ultra the life of the driver. high-speed fans (three primary, and three reserve) to prevent the amplifier and power transformer from overheating (see Table 3 for details).
  • Page 20 When the temperature cools to 107 °C, the limiter threshold returns to normal. TIP: When the 1100-LFC is connected to an RMS network, the Compass RMS software provides additional feedback on the loudspeaker’s hardware status and operating temperature. For more informa- tion, see Chapter 5, “RMS Remote Monitoring Sys-...

  • Page 21: Chapter 4: Quickfly Rigging

    1100-LFC RIGGING OPTIONS Table 4 summarizes the available rigging options for the 1100-LFC. For complete information about rigging hardware, including dimensions, weight, configuration, and load ratings, refer to the MTG-1100 Assembly Guide (PN 05.220.030.01) available at www.meyersound.com.

  • Page 22: Groundstacking 1100-Lfc Loudspeakers

    MRK-1100 rigging kit (Figure 14). facing loudspeakers. Protective plastic skids are included on the bottom of the 1100-LFC cabinet that align with the slots on the cabinet top. Loudspeakers can be stacked normally or reversed for cardioid configurations. When groundstacking 1100-LFCs, make sure the skids for each cabinet align with the slots in the cabinet tops.

  • Page 23: 1100-Lfc Guidealinks

    MTG-1100 Assembly Guide (PN 05.220.030.01) available at www.meyersound.com. 1100-LFC GUIDEALINKS When equipped with the MRK-1100 rigging kit, the 1100-LFC includes four captive GuideALinks and four mating link slots that link to adjacent loudspeakers in flown and groundstacked arrays. Located at the top corners of the...

  • Page 24: Mas-1100 Array Spacer

    Myer Sound sized the MAS-1100 to provide the maximum increase in line length without compromising structural integrity or acoustical performance. For more details, see both the MAS-1100 Array Spacer Application Note (PN 18.220.087.01) and the MTG-1100 Assembly Guide (PN 05.220.030.01) available at https://meyersound.com/product/1100-lfc/ Figure 18: Two 1100-LFC with MAS-1100 Array Spacer...

  • Page 25: Chapter 5: Rms Remote Monitoring System

    Compass RMS ™ software provides extensive system status The 1100-LFC RMS user panel includes an Identify button, and performance data for each loudspeaker, including Wink/Activity LED, and two Network connectors (Figure 20). amplifier voltage, limiting activity, power output, fan and driver status, as well as mute and solo capability.

  • Page 26: Neuron Id For Rms Module

    The Wink LED on the loudspeaker icon in Com- pass RMS lights up and the Wink/Activity LED on the Use the Identify button to reset the 1100-LFC RMS module when powering on the loudspeaker. This action will cause loudspeaker’s RMS user panel turns solid green. Press the module to be removed from the RMS network.

  • Page 27: Chapter 6: System Design And Integration Tools

    1100-LFC OPERATING INSTRUCTIONS CHAPTER 6: SYSTEM DESIGN AND INTEGRATION TOOLS This chapter introduces MAPP, Meyer Sound’s patented MAPP client software lets you configure Meyer Sound system design tool, and SIM, a comprehensive system for loudspeaker systems and define the environment in which measurement and analysis.

  • Page 28: Sim Measurement System

    • Measuring variations in frequency response caused by the acoustical environment and the placement and interaction Source Independent Measurement Technique of loudspeakers to determine corrective equalization The SIM audio analyzer implements Meyer Sound’s source • Optimizing subwoofer integrations independent measurement technique. This dual-channel • Optimizing loudspeaker arrays method makes analysis of statistically unpredictable excitation signals possible.

  • Page 29: Appendix A: Meyer Sound Weather Protection

    APPENDIX A: MEYER SOUND WEATHER PROTECTION The Weather Protection option from Meyer Sound is air environments, the exterior grille can quickly show signs intended to increase the useful life of Meyer Sound of oxidation, causing unsightly discoloration. loudspeakers when they are installed outdoors and exposed Apart from selecting suitable weather protection, the to different and often harsh weather conditions.

  • Page 30: Weather Protection Components

    Always discuss the environmental conditions of your Meyer Standard Weather Protection Sound installation with your Sales Manager, and verify the Meyer Sound designs toward an IP rating of IPX4 (see “IP availability of Weather Protection for your selected Ratings” on page 31) for Standard Weather Protection, loudspeaker models.

  • Page 31: Ip Ratings

    NOT part of the enclosure and therefore not part of the IP rating. Only the chassis-mounted part of the connector is considered part of the enclosure. Table 5: 1100-LFC IP Ratings Definition Chart First Digit...
  • Page 32 APPENDIX A: MEYER SOUND WEATHER PROTECTION...
  • Page 33 APPENDIX B: RAIN HOODS The 1100-LFC is optionally available with weather protection for fixed, outdoor installations. Weather-protected units include a collapsible rain hood that protects the loudspeaker’s connectors from water intrusion. EXPANDING THE 1100-LFC COLLAPSIBLE RAIN HOOD To expand the 1100-LFC collapsible rain hood: 1.
  • Page 34 APPENDIX B: RAIN HOODS...
  • Page 35 SPL compression measured with M-noise at the onset of limiting, 2-hour duration, and 50-degree C ambient temperature is <2 dB. M-noise is a full bandwidth (10 Hz–22.5 kHz) test signal developed by Meyer Sound to better measure the loudspeaker’s music performance. It has a constant instantaneous peak level in octave bands, a crest factor that increases with frequency, and a full band- width Peak to RMS ratio of 18 dB.
  • Page 36 APPENDIX C: SPECIFICATIONS 1100-LFC Specifications AMPLIFIER Type 2-channel, complementary MOSFET output stages (class AB/H bridged) Total Output Power 8100 W peak Note: Peak power based on the maximum unclipped voltage the amplifier will produce into the nominal load impedance. THD, IM, TIM <...
  • Page 37 1100-LFC OPERATING INSTRUCTIONS 1100-LFC DIMENSIONS 33.00 52.60 [838 mm] [1336 mm] 20.48 [520 mm] 10.65 [270 mm] 36.00 16.65 [914 mm] [423 mm] 54.65 [1388 mm] 20.10 [511 mm] 1100-LFC Dimensions NOTE: For the dimensions and weight for the MTG-1100 top grid, MAS-1100 array spacer, and MCF-1100...
  • Page 38 APPENDIX C: SPECIFICATIONS 1100-LFC Dimensions with Rain Hood Expanded 8.50 33.00 52.60 [216 mm] [838 mm] [1336 mm] 20.48 [520 mm] 10.65 [270 mm] 36.00 16.65 [914 mm] [423 mm] 54.65 41.27 [1388 mm] [1048 mm] 6.25 [159 mm] 20.10...
  • Page 39 1100-LFC OPERATING INSTRUCTIONS FEDERAL COMMUNICATIONS COMMISSION (FCC) STATEMENT This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
  • Page 40 Meyer Sound Laboratories Inc. © 2013, 2016, 2019 2832 San Pablo Avenue Meyer Sound. All rights reserved. Berkeley, CA 94702 1100-LFC Operating Instructions +1 510 486.1166 PN 05.220.005.01 B4 www.meyersound.com...

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