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OPERATING INSTRUCTIONS 

M SERIES

MILO 120 High-Power Expanded Coverage 
Curvilinear Array Loudspeaker

Keep these important operating instructions.

Check www.meyersound.com for updates.

Содержание MILO 120

Страница 1: ...OPERATING INSTRUCTIONS M SERIES MILO 120 High Power Expanded Coverage Curvilinear Array Loudspeaker Keep these important operating instructions Check www meyersound com for updates...

Страница 2: ...Humidity to 95 at 35 C Operating altitude to 4600 m 15 000ft Non operating altitude to 6300 m 25 000ft Shock 30 g 11 msec half sine on each of 6 sides Vibration 10 Hz to 55 Hz 0 010 peak to peak excur...

Страница 3: ...by Meyer Sound or sold with the loudspeaker Handles are for carrying only 13 Unplug this loudspeaker during lightning storms or when unused for long periods of time 14 Refer all servicing to quali ed...

Страница 4: ...ges auf ein Minimum zu reduzieren den Lautsprecher vom Stromnetz trennen bevor ggf ein Audio Schnittstellensign alkabel angeschlossen wird Das Netzkabel erst nach Herstellung aller Signalverbindungen...

Страница 5: ...Frequency Limiters 13 High Frequency Limiter 13 Very High Frequency Limiters 14 Fans and Cooling System 14 CHAPTER 4 RMS Remote Monitoring System 17 Understanding the RMS User Panel 17 Service LED Re...

Страница 6: ...HAPTER 7 QuickFly Rigging 29 MILO 120 Custom AlignaLinks 29 MILO 120 As Down ll in MILO MILO 120 Curvilinear Arrays 30 MG 3D M Multipurpose Grid 31 MCF MILO Caster Frame 31 APPENDIX A Ampli er Replace...

Страница 7: ...hensive tools Meyer Sound MAPP Online and SIM for assisting you with the acoustical and func tional requirements of system design and optimization Chapter 7 QuickFly Rigging shows you the QuickFly rig...

Страница 8: ...2 INTRODUCTION...

Страница 9: ...8 kHz that renders delicate transient information with detailed resolution through its wide coverage pattern The MILO 120 loudspeaker s acoustical characteristics are designed to facilitate seamless i...

Страница 10: ...or ying or stacking and allow from 13 to 19 degrees of cabinet splay adjustable in two degree incre ments NOTE Optimal acoustical performance for MILO 120 loudspeakers is achieved by using angles betw...

Страница 11: ...peak output The drivers are a proprietary design employing neodymium magnets for higher ef ciency and power handling with reduced weight To assure the smoothest response in the critical midrange and c...

Страница 12: ...6 CHAPTER 1...

Страница 13: ...between line line terminals in a 120 V 3 phase Wye system This results in 208 V AC between lines nominal and will therefore draw less current for the same output power compared to operating MILO 120...

Страница 14: ...least a few volts away from the turn on off points This ensures that AC voltage variations from the ser vice entry or peak voltage drops due to cable runs do not cause the ampli er to cycle on and of...

Страница 15: ...ustrate correct wiring for the creation of power cables and distribution systems Figure 2 2 MILO 120 user rear panel with L6 20 power connector neutral blue line brown ground green yellow Figure 2 3 I...

Страница 16: ...andard three prong Edison outlet since that con nector is rated for only 15 amps NEMA 5 15R 125 V AC max CAUTION The MILO 120 loudspeaker requires a ground connection Always use a grounded outlet and...

Страница 17: ...d by the loudspeaker disconnect the audio cable from the loudspeaker If the noise stops most likely the problem is not with the loudspeaker Check the audio cable source and AC power to pinpoint the pr...

Страница 18: ...ncy cone driver is powered by one 1125 watt channel of the HP 4 MILO 120 ampli er The single 4 inch diaphragm 8 ohm high frequency compression driver is powered by a single 560 watt channel and the tw...

Страница 19: ...range NOTE TruPower limiting only reduces the signal level to keep the voice coil below 180 degrees Celsius hence the peaks are unaffected In addition TruPower limiting eliminates power compression wh...

Страница 20: ...and or excursion NOTE The limit LEDs indicate when the safe power level is exceeded If any channel on an entire system of MILO MILO 120 loudspeakers begins to limit before reaching the required sound...

Страница 21: ...es to 68 C NOTE In the highly unlikely event that the secondary fans do not keep the temperature below 85 C the MILO 120 loudspeaker automati cally shuts down until AC power is removed and reapplied I...

Страница 22: ...16 CHAPTER 3...

Страница 23: ...gned during a one time commission into the RMS database that resides on your computer as a part of the software as shown in Figure 4 1 Figure 4 1 Commissioning a MILO 120 loudspeaker using RMS This in...

Страница 24: ...and the red Service LED will blink Activity LED Green When the loudspeaker has been commissioned the Activity LED will ash continuously When the Activity LED is unlit the loudspeaker has not been ins...

Страница 25: ...ou to optimize both coverage and di rectivity in a MILO 120 line array system To achieve optimal results it s important to understand how these components work together High Frequencies For high frequ...

Страница 26: ...inet achieving these goals becomes a multi step process with different strategies for the lower and higher frequencies for long throws and short throws NOTE MAPP Online covered in greater detail later...

Страница 27: ...milar or larger than the wavelength of the frequencies being reproduced by the array Electronically Driving the Array Once the design number and type of elements vertical splay angles and horizontal s...

Страница 28: ...d into your own applications on a per project basis LD 3 Compensating Line Driver In addition to its unique atmospheric correction for high frequencies and low frequency compensation capabili ties Mey...

Страница 29: ...oom of the array in the lowest end of its usable spectrum The ideal ratio of MILO MILO 120 loudspeakers to sub woofers depends on two factors Con guration of the array and if the subwoofers are own or...

Страница 30: ...Off Off Boost in the 80 Hz region MILO MILO 120 and the 700 HP Subwoofer In applications where M3D Sub features like directional low frequency control are not needed a MILO MILO 120 array can be depl...

Страница 31: ...s not improve cross over interaction In fact it is highly recommended that the crossover lter are set to emulate the low cut LD 1A LD 2 LD 3 characteristics themselves as shown in Table 5 3 Table 5 3...

Страница 32: ...26 CHAPTER 5...

Страница 33: ...prediction is requested data is sent over the Internet to a high powered server at Meyer Sound that runs a sophisticated acoustical prediction algorithm using high resolution complex magnitude and ph...

Страница 34: ...ud speaker systems may be characterized during a musical performance using the program as the test signal allowing you to View measurement data as amplitude versus time impulse response or amplitude a...

Страница 35: ...s custom front and rear Alig naLinks at the cabinet corners couple the units for either ying stacking or transporting allowing multiple positions Figure 7 1 Custom MILO 120 front and rear AlignaLinks...

Страница 36: ...ays The MILO 120 loudspeaker s acoustical characteristics and rigging are designed to facilitate seamless integration when used as down ll in MILO MILO 120 curvilinear arrays To ensure a smooth transi...

Страница 37: ...MILO 120 cabinets us ing the MILO 120 AlignaLinks to secure the cabinets to the caster frame Figure 7 7 MCF MILO caster frame Whether you re deploying or striking a MILO MILO 120 array the MCF MILO c...

Страница 38: ...MILO 120 AlignaLinks to achieve a splay of 0 degrees between cabinets and between the last cabinet and the caster frame Figure 7 10 Configuration for transporting cabinets on the MCF MILO caster fram...

Страница 39: ...ker be sure the rain hood is fully open Leaving the hood closed or par tially open will limit the air ow through the ampli er which could cause it to overheat and shut down REMOVING THE HP 4 MILO 120...

Страница 40: ...r to the cabinet Replacing the HP 4 MILO 120 Ampli er and Rain Hood Perform the following steps to replace MILO 120 s HP 4 MILO 120 ampli er and rain hood 1 Gently slide the ampli er partially back in...

Страница 41: ...ns transducer driven continuously for two hours with band limited noise signal having a 6 dB peak average ratio Note To eliminate interference at short wavelengths the two 12 inch drivers work in comb...

Страница 42: ...the ampli er will produce in to the nominal load impedance low mid and very high channels 67 V rms 95 V pk into 4 6 and 8 ohms THD IM TIM 02 Load capacity 4 low and mid 8 high channel 6 very high chan...

Страница 43: ...se pins Dimensions 54 00 w x 14 47 h x 22 00 d 1372 mm x 368 mm x 559 mm Weight 235 lbs 106 60 kg PHYSICAL MILO 120 I Insert Enclosure Cold rolled steel lled with acoustical dampening re treated foam...

Страница 44: ...38 APPENDIX B...

Страница 45: ...39...

Страница 46: ...40...

Страница 47: ......

Страница 48: ...2004 Meyer Sound Laboratories Inc 05 142 003 01 A Meyer Sound Laboratories Inc 2832 San Pablo Avenue Berkeley CA 94702 www meyersound com T 1 510 486 1166 F 1 510 486 8356...

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