Keep these important operating instructions.
Check www.meyersound.com for updates.
OPERATING INSTRUCTIONS
LF
1100-LFC Low-Frequency Control Element
Page 1: ...Keep these important operating instructions Check www meyersound com for updates OPERATING INSTRUCTIONS LF 1100 LFC Low Frequency Control Element...
Page 2: ...law no part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical recording or otherwise without prior writ ten permissio...
Page 3: ...paratus during lightning storms or when unused for long periods of time 14 If equipped with an external fuse holder the replaceable fuse is the only user serviceable item When replacing the fuse only...
Page 4: ...lie en des Produkts an eine anders ausgef hrte Stromversorgung kann gegen Vorschriften verstossen und zu Stromunf llen f hren Das Produkt nicht an einem Ort aufstellen an dem es direkter Wassereinwirk...
Page 5: ...orriente de dos polos y tres hilos con conexi n a tierra El recept culo debe estar conectado a un fusible o disyuntor La conexi n a cualquier otro tipo de recept culo representa un riesgo de descarga...
Page 6: ...IMPORTANT SAFETY INSTRUCTIONS vi...
Page 7: ...17 Audio Connectors 17 Cable Rings 18 TruPower Limiting 18 Amplifier Cooling System 19 Chapter 4 QuickFly Rigging 21 Important Safety Considerations 21 1100 LFC Rigging Options 21 Groundstacking 1100...
Page 8: ...viii Appendix B Rain Hoods 33 Expanding the 1100 LFC Collapsible Rain Hood 33 Appendix C Specifications 35 1100 LFC Dimensions 37...
Page 9: ...tional patterns frequency and impulse responses and maximum peak SPL for 1100 LFC systems ensuring that systems deliver the required coverage and SPL An optimally tuned vented cabinet houses the 1100...
Page 10: ...rameters on a Mac or Windows based computer Convenient XLR 5 pin connectors allow the use of composite cables carrying both RMS and balanced audio XLR 3 pin audio connectors are also available The 110...
Page 11: ...oudspeaker connected to two lines and a common earth ground line This configuration is possible because the 1100 LFC tolerates elevated voltages from the ground line and does not require a neutral lin...
Page 12: ...ower cable that is wired correctly see Wiring AC Power Cables on page 13 and equipped with the appropriate power plug on the other end for the area in which you will operate the unit The 1100 LFC requ...
Page 13: ...ble voltages during peaks and that the AC power source is capable of providing enough power The 1100 LFC operates as intended when receiving AC voltage within the following range 165 264 V AC 50 60 Hz...
Page 14: ...the service entry or peak voltage drops due to longer cable runs do not cause the amplifier to cycle on and off DO NOT RESET CIRCUIT BREAKERS CAUTION In the unlikely event that one of the 1100 LFC s c...
Page 15: ...te the loudspeaker Do not operate the loudspeaker if the power cable is frayed or broken Keep all liquids away from 1100 LFC loudspeakers to avoid hazards from electrical shock Use the cable rings see...
Page 16: ...CHAPTER 2 POWER REQUIREMENTS 16...
Page 17: ...em AUDIO CONNECTORS The 1100 LFC is available with XLR 3 pin or 5 pin connectors for audio Input and audio Loop output Figure 10 and Figure 11 XLR 5 pin connectors accommodate both balanced audio and...
Page 18: ...into 600 ohms to yield the maximum SPL over the operating bandwidth of the loudspeakers To calculate the load impedance for the looped loudspeakers divide 10 kOhms the input impedance for a single lo...
Page 19: ...longer than 3 seconds the loudspeaker enters hard limiting where Increases to the input level have no effect Distortion increases due to clipping Drivers are subjected to excessive heat and excursion...
Page 20: ...threshold is reduced by 3 dB 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 additio...
Page 21: ...because it is secured with the quick release pins included with the loudspeaker Table 4 1100 LFC Rigging Options Model Weight Features Required Quick Release Pins Required Shackles MRK 1100 rigging ki...
Page 22: ...to the rear facing loudspeaker which yields output that cancels the output of the front facing loudspeakers behind the array Example for the rear facing loudspeaker reverse the polarity relative to t...
Page 23: ...op corners of the cabinet GuideALinks extend up and into the link slots of the cabinet above it Figure 16 and Figure 17 or into the link slots of the MTG 1100 grid making it easy to link cabinets when...
Page 24: ...lobes 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 Spac...
Page 25: ...SS RMS SOFTWARE Compass RMS software provides extensive system status and performance data for each loudspeaker including amplifier voltage limiting activity power output fan and driver status as well...
Page 26: ...The LED remains solid green until the loudspeaker is unwinked TIP The Wink function is useful for identifying the physical loudspeaker corresponding to a loudspeaker icon in Compass RMS RMS Network C...
Page 27: ...loudspeaker systems and define the environment in which they operate including air temperature pressure humidity and even the location and composition of surfaces You can also import CAD DXF files con...
Page 28: ...For example during a performance both the input signal and the measured output of the loudspeaker system can be analyzed by SIM and the results can be used to View measurement data as amplitude versu...
Page 29: ...ilar installation that is shaded by trees and exposed only to rainfall The constant exposure to direct UV radiation and salt air environment will cause a loudspeaker to wear more quickly than one with...
Page 30: ...normal and accepted installation practices are used when installing Meyer Sound Loudspeakers outdoors Deviation from such practices may cause weather protection to be ineffective and void the warranty...
Page 31: ...tion against solid objects Definition Second Digit Protection against liquids Definition X Characteristic numeral is not required to be specified X Characteristic numeral is not required to be specifi...
Page 32: ...APPENDIX A MEYER SOUND WEATHER PROTECTION 32...
Page 33: ...s fabric fully upward and outward 3 Reach inside the rain hood and free the two struts Figure 22 from the top corner pockets nearest the loudspeaker 4 Fold the two struts downward and outward and inse...
Page 34: ...APPENDIX B RAIN HOODS 34...
Page 35: ...n EQ and boundary loading Pink noise is a full bandwidth test signal with Peak to RMS ratio of 12 5 dB B noise is a Meyer Sound test signal used to ensure measurements reflect system behavior when rep...
Page 36: ...neous Peak 53 A peak 230 V AC Inrush 30 A peak 230 V AC RMS NETWORK Equipped with two conductor twisted pair network reporting all operating parameters of amplifiers to system operator s host computer...
Page 37: ...t for the MTG 1100 top grid MAS 1100 array spacer and MCF 1100 caster frame refer to the MTG 1100 Assembly Guide PN 05 220 030 01 available at www meyersound com 1100 LFC Dimensions 52 60 1336 mm 33 0...
Page 38: ...100 LFC Dimensions with Rain Hood Expanded 1100 LFC Dimensions with Rain Hood Expanded 52 60 1336 mm 33 00 838 mm 20 48 520 mm 36 00 914 mm 54 65 1388 mm 20 10 511 mm 16 65 423 mm 10 65 270 mm 8 50 21...
Page 39: ...ial area is likely to cause harmful interference in which case the user will be required to correct the interference at their own expense This device complies with Part 15 of the FCC rules Operation i...
Page 40: ...eyer Sound Laboratories Inc 2832 San Pablo Avenue Berkeley CA 94702 1 510 486 1166 www meyersound com 2013 2016 2019 Meyer Sound All rights reserved 1100 LFC Operating Instructions PN 05 220 005 01 B4...
