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Meyer Sound 750-LFC, Руководство по эксплуатации

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vii

CONTENTS

 Important Safety Instructions

iii

Symbols Used

iii

Chapter 1: Introduction

9

How to Use This Manual

9

750

-

LFC Compact Low-Frequency Control Element

9

Native Mode

10

Optimal Mid-High Loudspeaker to Subwoofer Ratio

11

Chapter 2: Power Requirements

13

AC Power Distribution

13

AC Connectors

14

Wiring AC Power Cables

15

750

-

LFC Voltage Requirements

15

750

-

LFC Current Requirements

15

Intelligent AC Power Supply

16

Electrical Safety Guidelines

17

MDM-832 Distribution Module

17

Chapter 3: Amplification and Audio

19

Audio Connectors

19

Cable Rings

20

TruPower Limiting

20

Amplifier Cooling System

21

On/Status LED

21

Chapter 4: QuickFly Rigging

23

Important Safety Considerations!

23

750

-

LFC Rigging Options

23

Groundstacking 750

-

LFC Loudspeakers (Without Grid)

26

750

-

LFC Cardioid Arrays

26

MRK

-

750 Rigging Kit

27

750

-

LFC GuideALinks

27

GLK-750 Grid Link Kit

28

Pole-Mount Receptacle

30

MCF-750 Caster Frame

31

Safety Guidelines for the MCF

-

750 Caster Frame

33

Dimensions: MCF

-

750 Caster Frame with rigging

34

Dimensions: MCF

-

750 Caster Frame without rigging

35

Chapter 5: RMS Remote Monitoring System

37

Compass RMS Software

37

RMS Module

37

Neuron ID for RMS Module

38

Resetting the RMS Module

38

Chapter 6: System Design and Integration Tools

39

MAPP System Design Tool

39

Galileo Galaxy Network Platform

40

Содержание 750-LFC

Страница 1: ...Keep these important operating instructions Check www meyersound com for updates OPERATING INSTRUCTIONS LINE ARRAY 750 LFC Compact Low Frequency Control Element...

Страница 2: ...ic mechanical recording or otherwise without prior written permission from Meyer Sound The following is a partial list of Meyer Sound trademarks and service marks 650 P 650 R2 Acheron AlignALink B Noi...

Страница 3: ...the replaceable fuse is the only user serviceable item When replacing the fuse only use the same type and the same value 15 Refer all other servicing to qualified service personnel Servicing is requi...

Страница 4: ...ekter Sonneneinstrahlung fern und stellen Sie es nicht in der N he von w rmeabstrahlenden Ger ten z B Heizger t oder Herd auf Bei Ausstattung mit einem externen Sicherungshalter ist die austauschbare...

Страница 5: ...onerlo a la luz solar directa No instale la unidad cerca de aparatos que emitan calor como un calefactor o una estufa Si est equipado con un portafusibles externo el fusible reemplazable es el nico el...

Страница 6: ...750 LFC OPERATING INSTRUCTIONS vi...

Страница 7: ...20 TruPower Limiting 20 Amplifier Cooling System 21 On Status LED 21 Chapter 4 QuickFly Rigging 23 Important Safety Considerations 23 750 LFC Rigging Options 23 Groundstacking 750 LFC Loudspeakers Wit...

Страница 8: ...NG INSTRUCTIONS viii Appendix A Rain Hoods 41 750 LFC Rigid Rain Hood 41 750 LFC Collapsible Rain Hood 41 Appendix B 750 LFC Specifications 43 750 LFC without Rigging Dimensions 45 750 LFC with Riggin...

Страница 9: ...me sonic linearity as Meyer Sound s 900 LFC low frequency control element in a smaller lighter cabinet making it ideal for building scalable systems to suit portable applications or fixed installation...

Страница 10: ...the MUB LINA Figure 3 or MYA LINA yoke In addition the pole mount can be used to pair the 750 LFC with the ULTRA X40 and other UltraSeries loudspeakers NATIVE MODE LINA and 750 LFC loudspeakers are o...

Страница 11: ...d Figure 6 yield good results For ULTRA X40 applications the ratio shown in Figure 7 yields good results CAUTION Make sure that all cables for looped loudspeakers are wired correctly Pin 1 to Pin 1 Pi...

Страница 12: ...dspeakers are not coplanar or those requiring delay offsets to align subsystems or to create directional low frequency control These systems require additional processing NOTE For Native mode to work...

Страница 13: ...produce noise or hum or cause serious damage to the input and output stages of the system s electronic components 120 V AC 3 Phase Wye System Single Line Line Neutral Earth Ground Figure 8 illustrate...

Страница 14: ...A Consider the total current draw for all loudspeakers on the circuit including the first loudspeaker see Table 1 AC Loop Output Gray The gray AC Loop Output connector allows multiple 750 LFC loudspea...

Страница 15: ...speaker s amplifier to cycle on and off or cause damage to the power supply 750 LFC CURRENT REQUIREMENTS Current draw for loudspeakers is dynamic and fluctuates as operating levels change Because diff...

Страница 16: ...h voltage transients up to several kilovolts Filters common mode and differential mode radio frequencies EMI Sustains operation temporarily during low voltage periods Powering on the 750 LFC Loudspeak...

Страница 17: ...all liquids away from 750 LFC loudspeakers to avoid hazards from electrical shock Use the cable rings see Cable Rings on page 20 on the rear of the 750 LFC cabinet to reduce strain on the AC power ca...

Страница 18: ...750 LFC OPERATING INSTRUCTIONS 18...

Страница 19: ...eature when placing an order AUDIO CONNECTORS The 750 LFC is available with XLR 3 pin Figure 12 or 5 pin Figure 13 connectors for audio Input and audio Loop output XLR 5 pin connectors accommodate bot...

Страница 20: ...culate the load impedance for the looped loudspeakers divide 10 k the input impedance for a single loudspeaker by the number of looped loudspeakers For example the load impedance for ten 750 LFC louds...

Страница 21: ...STEM The 750 LFC loudspeaker employs natural convection in its cooling system The amplifier s heat sink provides natural convection cooling from the air flowing near its fins When exposed to high ambi...

Страница 22: ...750 LFC OPERATING INSTRUCTIONS 22...

Страница 23: ...ets at a 5 1 safety factor and BGV C1 with some angle restrictions additional load ratings are possible use MAPP to verify load ratings supports mixed arrays of LINA and 750 LFC loudspeakers without t...

Страница 24: ...speaker 35MM Pole Stand Adapter assembly kit PN 40 010 971 01 0 36 lb 0 16 kg This large base stand adapter can be used to mount the MYA MINA LINA Yoke or MUB MINA LINA on a pole to allow easy tilting...

Страница 25: ...s MG MINA LINA 750 LFC Multipurpose Grid Fitted with GLK for improved load rating when hanging 750 LFC MVP Motor Vee Plate Attached to front center of grid with two motors to adjust the horizontal aim...

Страница 26: ...nets 750 LFC CARDIOID ARRAYS The 750 LFC loudspeaker can be configured in cardioid arrays to reduce undesirable low frequency leakage behind the loudspeakers The loudspeaker s linearity ensures that c...

Страница 27: ...uick release pins to securely link adjacent loudspeakers in flown and groundstacked array configurations NOTE For more information about the MRK 750 rigging kit including its kit contents weight and i...

Страница 28: ...o circumstance should all six links be used at the same time as this approach will not add any load capability In fact the load capacity will decrease by about half of that provided by the rear links...

Страница 29: ...les Thefront and rearGuideALinks attach at angles of 0 1 5 3 25 or 4 75 allowing for curved 750 LFC arrays Because the cabinet s front and rear GuideALinks are symmetrical the curved arrays can also i...

Страница 30: ...port the weight of the mounted loudspeakers and that they are installed according to the manufacturer s instructions One ULTRA X40 42 loudspeaker 55 lb 25 kg One MINA or LINA loudspeaker with MUB MINA...

Страница 31: ...e used to support 750 LFC loudspeakers in groundstacked configurations The caster frame for 750 LFC cabinets equipped with the MRK 750 rigging includes four fixed 0 link slots that attach to the cabin...

Страница 32: ...r more secure transport because the bottom cabinet can be linked and pinned to the caster frame The three cabinets can be linked and pinned together as well TIP Durable nylon pullover covers sized for...

Страница 33: ...ould only be used to move the MCF 750 caster frame when cabinets have been outfitted with the MRK 750 rigging kit and the cabinets have been securely linked When lifting a stack with a forklift always...

Страница 34: ...ER FRAME WITH RIGGING MCF 750 Caster Frame with Rigging Weight 34 lbs 15 4 kg Figure 29 MCF 750 Caster Frame Dimensions for cabinets with rigging 24 91 in 633 mm 24 16 in 614 mm 24 16 in 614 mm 17 14...

Страница 35: ...TER FRAME WITHOUT RIGGING MCF 750 Caster Frame without Rigging Weight 28 7 lbs 13 0 kg Figure 30 MCF 750 Caster Frame Dimensions for cabinets without rigging 24 16 in 614 mm 24 91 in 633 mm 17 14 in 4...

Страница 36: ...750 LFC OPERATING INSTRUCTIONS 36...

Страница 37: ...S module of that particular loudspeaker Conversely a loudspeaker can be identified in Compass RMS by pressing the Identify button on the loudspeaker s RMS module Loudspeaker icons can be arranged in C...

Страница 38: ...functions eliminating any possibility of accidentally mut ing loudspeakers RMS Network Connectors The Weidmuller 2 conductor locking connectors transfer data to and from the RMS network Two connector...

Страница 39: ...on of the environment in which they operate including air temperature pressure humidity and the location of prediction surfaces Importing both CAD DXF and Sketchup SKP files containing detailed venue...

Страница 40: ...ludes custom designed settings for each family of speakers as well as to integrate families together For example the Product Integration feature matches the phase characteristics between Meyer speaker...

Страница 41: ...h stainless steel screws provided 3 Make sure to tighten the screws to create a good seal against the user panel Meyer Sound recommends using a torque value of 10 12 in lbs 1 1 1 4 N m 750 LFC COLLAPS...

Страница 42: ...750 LFC OPERATING INSTRUCTIONS 42...

Страница 43: ...it may be higher depending on EQ and boundary loading Pink noise is a full bandwidth test signal with a peak to RMS ratio of 12 5 dB B noise is a Meyer Sound test signal that ensures measurements refl...

Страница 44: ...lifiers to system operator s host computer PHYSICAL Dimensions 21 80 in 554 mm W 20 30 in 515 mm H 20 88 in 530 mm D Dimensions with rigging 21 55 in 547 mm W 20 43 in 519 mm H 20 88 in 530 mm D Weigh...

Страница 45: ...mm 21 8 in 478 mm 18 8 in 515 mm 20 3 in 530 mm 20 9 in 6 mm 2 in 279 mm 11 0 in 248 mm 9 8 in 1 1 2 in 38 mm U S 1 3 8 in 35 mm E U M20 thread at the bottom 750 LFC dimensions without rigging and wi...

Страница 46: ...55 in 547 mm 21 55 in 519 mm 20 43 in 1 1 2 in 38 mm U S 1 3 8 in 35 mm E U M20 thread at the bottom 530 mm 20 88 in 6 mm 25 in 251 mm 9 88 in 277 mm 10 90 in 750 LFC dimensions with rigging and rain...

Страница 47: ...tial area is likely to cause harmful interference in which case the user will be required to correct the inter ference at their own expense This device complies with Part 15 of the FCC rules Operation...

Страница 48: ...750 LFC OPERATING INSTRUCTIONS 48...

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Страница 52: ...Meyer Sound Laboratories Inc 2832 San Pablo Avenue Berkeley CA 94702 1 510 486 1166 meyersound com 2018 2020 Meyer Sound All rights reserved 750 LFC Operating Instructions PN 05 271 005 01 C...

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