Dbx DriveRack PA2 Manuale Utente

Owner’s Manual®

6®Rear Panel120V 50/60Hz12 35461. IEC AC Power Inlet Connect the included IEC power cord to this power inlet. The DriveRack PA2 ships from the

7®6. Input Switches These switches are recessed to prevent accidental switching. You may need to use the tip of your fingernail or an object with a p

8® Installing The DriveRack PA2 Installation RecommendationsFOR RACK MOUNT USE ONLY. Install the PA2 in your 19” rack with the provided rack screws. W

9®Network Connections1� Download and install the free DriveRack PA2 control app from the iTunes® Store, the Android® Market, or from www.dbxpro.com.2

10®Applying Power1� Ensure your power amplifiers or powered speakers are turned off.2� Make sure that the included IEC power cable provided with you

11® Getting Started Menu Navigation OverviewThe DriveRack PA2’s user interface was carefully designed to provide logical navigation and avoid deeply n

12®Operating Modes ExplainedThis section describes the different operating modes available in the DriveRack PA2 and how to enter each mode.Home ModeTh

13®The Home ScreensThe Home screen is the first screen which appears in the LCD display after the DriveRack PA2 fully initializes (this is also referr

14® Configuring The DriveRack PA2 This section of the manual describes how to configure the DriveRack PA2 for your application. The easiest way to conf

15®RUN AutoEQ/LEVEL ASSIST When used with the optional dbx RTA-M measurement microphone, this Wizard helps you balance the left/right speaker levels,

U.K. MAINS PLUG WARNINGA molded mains plug that has been cut off from the cord is unsafe. Discard the mains plug at a suitable disposal facility.NEVER

16®WIZARD OPTIONSThe available options in this menu are: • AutoEQ TARGET [RECOMMENDED PA CURVE, FLAT] When a sound system’s frequency response is fla

17®About Speaker & Amplifier TuningsThe PA2 has a Setup Wizard to help you configure your sound system. When you run the Setup Wizard, it will ask

18®Manual System Optimization TipsHiNt: You may want to disable the TIME OUT feature located in the Utility menu before performing any of the followin

19®subs, you can perform the same test between the low driver in the main speaker and sub to ensure polarity for all drivers are matched. You will als

20®devices, turning down the amplifier input attenuators does not change the potential output of the amplifier – it only requires more input voltage t

21®6� Raise the mixer’s main output faders until the INPUT CLIP LEDs on the PA2 just begin lighting.7� Now, go to each amp channel and slowly raise

22®5. EQ The System At The VenueNow that the system is optimized for use, it’s time to EQ the sound system at the venue. The PA2’s built-in AutoEQ Wiz

23®further information on the available AFS TYPE options.8� Go to the FIXED FILTERS parameter and set it to 12.9� Ensure no sound is present at any

24® Operating The DriveRack PA2 This section of the manual describes how to operate the DriveRack PA2 after you have initially configured and optimize

25®Managing PresetsThe DriveRack PA2 has two types of presets: user and factory. The user presets occupy preset memory locations1-75. The factory pres

ELECTROMAGNETIC COMPATIBILITY This device complies with part 15 of the FCC Rules and the Product Specifications noted on the Declaration of Conformity

26®Storing PresetsOnce you are satisfied with the changes made to a factory or user preset, you are ready to store the changes to a user preset memory

27® The PA2 Processing Modules & Parameters This section of the manual provides descriptions of all the processing modules available in the DriveR

28®• MYBAND This option is optimized for live music performance using a portable PA system in small to medium sized venues (small coffee shops or clu

29®Parametric EQ (AutoEQ, HIGH, MID, LOW PEQ)There are two types of PEQs available in the PA2: the AutoEQ PEQ and the output PEQs (labeled LOW, MID, a

30®• BAND(1-8) FREQUENCY [20 Hz - 20 kHz] This parameter adjusts the center/cutoff frequency of the selected EQ band.• BAND(1-8) GAIN [-12 dB - +12

31®Advanced Feedback Suppression (AFS)Feedback is caused when an in-phase audio loop is created between an input transducer (such as a guitar pickup o

32®HiNt: AFS works best when the signal entering the PA2’s inputs is sufficient. This requires proper gain staging between the mixer and PA2. If the s

33®begin to round robin – meaning that if all Live filters have been set and new feedback occurs, the first Live filter set will be released then re-s

34®HiNt: Since it’s not really possible to predict exactly how many Fixed filters you may need, a good setting to start with is the default setting of

35®Subharmonic Synthesis (SUB)dbx’s subharmonic synthesis (or sub-synth) processing has been specifically optimized to enhance the low frequencies in

® Warranty 1. The warranty registration card that accompanies this product must be mailed within 30 days after purchase date to validate this warranty

36®Note: If you experience low-frequency artifacts on a voice when using subharmonic synthesis, try engaging a high pass filter, using EQ, or a combin

37®Compressor (COMP)A compressor is used to compress the dynamic range of the audio signal, bringing up the lower level portions of the signal and res

38®a 2:1 ratio would allow the output signal level to increase by only 1 dB for every 2 dB of level increase over threshold. In other words, 1 dB of c

39®DelayThere are two different delay module types available in the PA2, they are: the input (also known as pre or backline) delay module and the outp

40®LOW DELAY for the LOW outputs. If you’ve configured a 3-way system, you will see an additional MID DELAY for the MID outputs. Turn and press the DA

41®Crossover (XOVER)A crossover is used to divide the broadband signal into separate frequency bands. This allows you to drive each loudspeaker or dri

42®summed, a 3 dB increase in level will be created at the crossover frequency. LR stands for Linkwitz-Riley. When two Linkwitz-Riley filters are summ

43®LimiterLimiters are used to set a ceiling on the signal level, preventing the signal from exceeding a predetermined threshold. For this reason, the

44®• THRESHOLD [-60 dB to 0 dB] This parameter sets the level at which the limiter will kick in and begin limiting the signal. The limiter Threshold

45®R TAThe 31-band RTA (Real-Time Analyzer) module allows you to monitor frequency levels. This information can help with identifying system issues –

1® Table of Contents Overview ����������������������������������������������������������������������� 2Introduction ��������������������������������

46®UtilityThe Utility menu allows you to edit global system parameters and provides system information. Utility ParametersThe Utility menu is accessed

47® Power-Up Functions Power-up functions allow you to reset DriveRack PA2 presets and settings, lock out the front panel controls, and configure the

48®System LockoutThis power-up function locks out the PA2’s front panel controls to prevent unauthorized tampering. The following options are availabl

49®Factory ResetThe Factory Reset function resets all user presets and Utility settings in the PA2 back to their factory default state.WarNiNg! Perfor

50® Application Guide This section of the manual shows the various ways in which the DriveRack PA2 can be configured and provides system diagrams and

51®Full Range Application 2 (Sub-Satellite System)The full range application may also be used for some 2-way powered sub-satellite speaker systems, wh

52®Full Range Application 3 (All Outputs Full Range)Some full range systems may require more than two full range outputs from the PA2. The PA2 can acc

53®2-Way ApplicationThis application is suited for systems using full range main speakers along with subs or for systems using bi-ampable main speaker

54®3-Way ApplicationThis application is suited for systems using bi-ampable main speakers along with subs. In this type of application, the PA2 will s

55® Preset List User Preset # Factory Preset # Name Description1, 26, 51 76 ST.Full Range Stereo Full Range2, 27, 52 77 M.FullRange Mono Full Range3,

2® Overview IntroductionThe DriveRack® PA2 represents the next generation of PA loudspeaker management processing from dbx®. With dynamics, EQ, feedba

56® DriveRack PA2 Control Application The DriveRack PA2 control application is available for Android®, iOS®, Mac®, and Windows® PC devices. This appli

57®NetworkingNetworking OverviewThe PA2 can be network controlled with the use of a network switch or router which has a built-in DHCP server. DHCP (D

58®3� Check The Type Of Ethernet Cables Used Ensure you are using the correct type of Ethernet cables with your switch/router and that they are fully

59® Technical Information Firmware UpdatesThe USB or Ethernet connector on the back panel of the PA2 can be used to perform firmware updates. Connect

60®DSP Block DiagramRTA Mic InputRight InputLeft InputInput MetersOutput MetersLeft HighOutputRight HighOutputLeft MidOutputRight MidOutputLeft LowOut

61®Cable DiagramsEthernet Cable DiagramsStraight-ThroughUse straight-through CAT5e or CAT6 Ethernet cables to connect the PA2 to your network switch/r

62®Audio Cable DiagramsTS PHONE TO TRS PHONEFROM SOURCE DEVICE (OUTPUT)TO NEXT DEVICE (INPUT)TIP (HOT +)RING (COLD -)SLEEVE(GROUND)TIP (HOT +)SLEEVE(G

63®Dimensions 19” 1.75”17.25”5.875”

64®SpecificationsANALOG INPUTSNumber of Inputs: 2 line inputs, 1 RTA mic inputConnectors: 2 female XLR line inputs, 1 female XLR RTA mic inputType:

65® Additional Resources dbx Websitehttp://www.dbxpro.comDriveRack PA2 Product Pagehttp://www.dbxpro.com/en-US/products/driverack-pa2dbx Supporthttp:/

3®Features• Setup Wizard For Easy System Configuration• Level Assist For System Level Balancing• AutoEQ™ For Fast & Accurate Room Equalization

Phone: (801) 566-8800Website: www�dbxpro�comSupport: http://www�dbxpro�com/en-US/supportMacintosh, iOS, iPhone, iPad, iTunes, and App Store are tradem

4® User Interface & Connectors Front Panel1 2 3 104 91211 135 6781. RTA MIC INPUT Connect the dbx RTA-M measurement microphone (sold separately)

5®9. INPUT Meters These 6-segment LED meters display the input signal level strength and available headroom, and range from SIG (signal present) to 0