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Application Guide

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32

Section 5

DriveRack

®    

PA

Hardware

1.

Connect the outputs from the mixer to the inputs of the DriveRack

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2.

Connect the outputs of the DriveRack

®

PA and run to the selected speaker amplifier.

3.

Make sure that the mixer and power amps are turned off prior to powering up the

DriveRack

®

PA.

Software

1.

From Program mode, select factory program #F14 (MP212 2X4) as a template, or use the

Wizard to setup the specific program.

2.

Once the program has been chosen, press the DATA wheel to load the program.

5.3  2X4 Crossover

DriveRack

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PA User Manual

Left

Right

Left High

Right High

Left Low

Right Low

Left High

Right

Right High

MP412

MP412

MP4718SP
Powered

MP4718S
Non-Powered

Summary of Contents for DriveRack PA

Page 1: ...User Manual Complete Equalization Loudspeaker Control System Featuring Custom Tunings PA...

Page 2: ...ce indicated on the equipment rear panel To reduce the risk of fire or electric shock refer servicing to qualified service personnel or equiv alent This Equipment is intended for rack mount use only S...

Page 3: ...isto valmistajan ohjeiden mukaisesti VARNING Explosionsfara vid felaktigt batteribyte Anv nd samma batteri typ eller en ekvivalent typ som rekommenderas av apparattil lverkaren Kassera anv nt batteri...

Page 4: ...n 16 2 10 Navigating the Wizard Section 16 Section 3 Operating the DriveRack PA 3 1 Program Definition 18 3 2 Navigating Factory Programs 18 3 3 Editing Factory Programs 18 Section 4 Detailed Paramete...

Page 5: ...INTRO CUSTOMER SERVICE INFO Defining the DriveRack WARRANTY INFO INTRODUCTION DriveRack PA...

Page 6: ...needs for years to come The dbx DriveRack PA is the most effective way to manage all aspects of Loudspeaker man agement for Public Address system applications The DriveRack PA essentially becomes the...

Page 7: ...ave correctly followed installation steps and operation procedures If you are still unable to solve a problem contact our Customer Service Department at 801 568 7660 for consultation If you need to re...

Page 8: ...from the factory where all parts and labor will be covered up to a period of two years A Return Authorization number must be obtained from dbx by tele phone The company shall not be liable for any con...

Page 9: ...Getting Started Section 1 DriveRack PA...

Page 10: ...the level from either 4 or 10dBv Ground Lift Switch The ground lift switch lifts the pin 1 chassis ground of both input XLR connectors RTA Input Jack This balanced XLR input is used for the connection...

Page 11: ...on module COMP LIMITER is used to move to the Compressor or Limiter modules DELAY is used to move to the Delay module PROGRAM is used to enter program mode when pressed UTILITY is used to access the t...

Page 12: ...Driverack PA Always make sure that your power amps are the last item turned on and the first turned off Once all of the connections have been made and the unit is powered up you can navigate through t...

Page 13: ...button and the display will appear as follows System Setup The arrow will indicate the selected Wizard setup To select any one of the three options rotate the DATA wheel If you are performing the Sys...

Page 14: ...PA None Sub Speaker Select an amplifier Crwn MacroTech 1202 High Amplifier Select Sensitivity Crwn MacroTech 1202 0 775 Volts High Amplifier ixed type mixer gain to desired level Slowly Increase the...

Page 15: ...he Auto EQ Wizard automatically adjusts the response of the system by pro ducing pink noise and adjusting the Graphic EQ until the RTA matches a selected response From the DriveRack PA Wizard menu rot...

Page 16: ...n the Appendix section AFS WIZARD The DriveRack PA also offers its exclusive AFS Advanced Feedback Suppression module This unique feature now makes unwanted feedback in a PA system a thing of the past...

Page 17: ...dB Auto EQ Pink Noise Select Number of fixed filters 6 AFS Input as MONO REO O Setup Select GEQ as Dual Mono or Stereo Dual Mono Graphic EQ Setup Select Main PA JBL SRX SR4702X Passive Main Speaker Se...

Page 18: ...For more information regarding feedback elimination please see the AFS parameters of the Detailed parameters section 8dB Noise e Select Sub PA None Sub Speaker Select an amplifier Crwn MacroTech 1202...

Page 19: ...EDITING FUNCTIONS Editing Functions Section 2 DriveRack PA...

Page 20: ...selected page of the currently selected effect module PREVIOUS PAGE Moves to the previous page in the currently selected effect menu NEXT PAGE Moves to the next page in the currently selected effect m...

Page 21: ...thin the currently selected page 2 4 Navigating the Subharmonic Section The EQ button toggles through the EQs used in each channel of the selected program menu PEQ GEQ or Navigating the EQ Section To...

Page 22: ...lity Section LCD Contrast 1 16 AEQ Plot RTA GEQ Sales Banner On Off UTILITY Compressor Limiter Threshold Meters UTILITY From program mode press the UTILITY button Pressing the Data Wheel will select t...

Page 23: ...utton Pressing the Data Wheel will select the effect parameter to be edited Successive presses of the Data wheel will select effect parameters within the currently selected page 2 8 Navigating the Del...

Page 24: ...ing the Wizard Section The NEXT and PREV buttons scroll through the pages of selected module Successive presses of the Data wheel will select effect parameters within the currently selected page Succe...

Page 25: ...OPERATING FUNCTIONS SOFTWARE Section 3 DriveRack PA...

Page 26: ...constructed routing configurations that have been designed to accommodate virtually any sound reinforcement and installation application The factory programs offer a clear and concise explanatory tit...

Page 27: ...AUTO EQ WIZARD and AFS WIZARD Once you have reached the module that you wish to edit simply use the PREV PG and NEXT PG buttons to move through the pages within the module The DATA wheel is used to e...

Page 28: ...press the STORE button again and the dis play will now appear something like this Rotate the DATA wheel to select the program to be replaced and press the STORE button and the existing program will b...

Page 29: ...DETAILED PARAMETERS PARAMETERS Section 4 DriveRack PA...

Page 30: ...a guitar pickup or microphone is reproduced by an ampli fication and is repeatedly picked up in phase The AFS uses Precision Frequency Detection and state of the art processing to determine the exact...

Page 31: ...ues are Speech Bandwidth 1 5 octave and Q 7 25 Music Low Bandwidth 1 10 octave and Q 14 5 Music Medium Bandwidth 1 20 octave and Q 29 Music High Bandwidth 1 80 octave and Q 116 Note To guarantee that...

Page 32: ...If this occurs adjust the controls as needed e g increase one or the other of the band levels Experimentation will pay off with smooth full deeply extended bass Remember you are not selecting a freque...

Page 33: ...This parameter either flattens the PEQ or restores the PEQ to its original shape Type This parameter selects the PEQ type Types include 1 Bell All parametrics are bell shaped 2 HShelf One shelf is Hi...

Page 34: ...ou are looking for the compressor offers VariKneeTM VariKnee gives you ten levels of OverEasy compression to choose from 1 being almost hard knee and 10 being the most OverEasy This lets you choose th...

Page 35: ...hreshold is the signal level at which the unit starts to compress the signal If the level is set to 10 dBu any signal larger than 10 dBu is compressed while any signal that has a level that is lower t...

Page 36: ...Detailed Parameters 28 Section 4 DriveRack PA DriveRack PA User Manual Section 4 USER NOTES...

Page 37: ...APPLICATION GUIDE Section 5 DriveRack PA...

Page 38: ...m the mixer to the inputs of the DriveRack 2 Connect the outputs of the DriveRack PA and run to the selected speaker amplifier 3 Make sure that the mixer and power amps are turned off prior to powerin...

Page 39: ...e DriveRack PA Software 1 From Program mode select factory program F2 3 Way w mSub as a template or use the Wizard to setup the specific program 2 Once the program has been chosen press the DATA wheel...

Page 40: ...ower amps are turned off prior to powering up the DriveRack PA Software 1 From Program mode select factory program F14 MP212 2X4 as a template or use the Wizard to setup the specific program 2 Once th...

Page 41: ...riveRack PA and run to the selected speaker amplifier 3 Make sure that the mixer and power amps are turned off prior to powering up the DriveRack PA Software 1 Use the Wizard to setup the specific pro...

Page 42: ...Application Guide 34 Section 5 DriveRack PA USER NOTES DriveRack PA User Manual...

Page 43: ...Appendix DriveRack PA...

Page 44: ...e System Reset sequence and the unit will reset normally The DriveRack PA offer several Quick Key options for initial power up and are as follow Change Initial Program Number To change the initial pow...

Page 45: ...0 5dB Interchannel Crosstalk 110dB 120dB typical Crosstalk input to output 100dB Power Supply Operating Voltage DO 100 120VAC 50 60 Hz EU 220 240 VAC 56 60 Hz Power Requirements 25 Watts Physical Weig...

Page 46: ...e bands of the Graphic EQ you can adjust the level of the asso ciated cross over output gain to match the average boost or cut in the graphic EQ and re pink your room This time the adjustment of the G...

Page 47: ...mpressor AFS Notch Filters SubHarmonic Synth 3 Band PEQ 2 Band PEQ 2 Band PEQ Peak Stop Limiter Peak Stop Limiter Peak Stop Limiter Alignment Delay Alignment Delay Alignment Delay Crossover Section 2X...

Page 48: ...z 61 EAW FRZ153z 62 EAW FRZ159z 63 EAW FRZ250z 64 EV Elim i 65 EV Elim iS 66 Mackie C300 67 Mackie S500 68 Mackie SRM350 69 Mackie SRM450 70 Peavey PR10 71 Peavey PR12 72 Peavey PR15 73 Peavey PRSub 7...

Page 49: ...rning down the amplifi er input attenuators does not change the potential output of the amplifier it only requires more input voltage to get full output power Many amplifiers will clip with an input l...

Page 50: ...you should make sure that the sine wave is within the frequency range of the output band that your are working with Once all the limiters are set up you can now turn the amplifiers back down to the g...

Page 51: ...USER NOTES Appendix A DriveRack 43...

Page 52: ...Parkway Sandy Utah 84070 Phone 801 568 7660 Fax 801 568 7662 Int l Fax 801 568 7583 E mail us at customer dbxpro com or visit us on the web at www dbxpro com A Harman International Company 18 1790V B...

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