QSC DPA4.2 User Manual
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QSC DPA4.2 User Manual

QSC DPA4.2 User Manual

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DPA Amplifiers

User Manual

DPA4.2 — 4 Channel, 2000 W Amplifi er
DPA4.3 — 4 Channel, 4000 W Amplifi er
DPA4.5 — 4 Channel, 8000 W Amplifi er
TD-000434-01 -B
*TD-000434-01*

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Summary of Contents for QSC DPA4.2

  • Page 1: User Manual

    DPA Amplifiers User Manual DPA4.2 — 4 Channel, 2000 W Amplifi er DPA4.3 — 4 Channel, 4000 W Amplifi er DPA4.5 — 4 Channel, 8000 W Amplifi er TD-000434-01 -B *TD-000434-01*...

  • Page 2: Explanation Of Symbols

    EXPLANATION OF SYMBOLS The term “WARNING!” indicates instructions regarding personal safety. If the instructions are not followed the result may be bodily injury or death. The term “CAUTION!” indicates instructions regarding possible damage to physical equipment. If these instructions are not followed, it may result in damage to the equipment that may not be covered under the warranty.

  • Page 3: Fcc Statement

    The QSC DPA4.2, DPA4.3 and DPA4.5 amplifi ers are in compliance with European Directive 2011/65/EU – Restriction of Hazardous Substances (RoHS2). The QSC DPA4.2, DPA4.3 and DPA4.5 amplifi ers are in compliance with “China RoHS” directives. The following chart is provided for product use in China and its territories: QSC DPA4.2, DPA4.3, and DPA4.5 Amplifi...

  • Page 4: Package Contents

    In addition, the DPA4.3 and DPA4.5, can drive 70V or 100V speaker lines directly from any one or all of the four outputs, and the DPA4.2 can drive 70V or 100V speaker outputs from bridged channels. This fl exibility allows DPA Series amplifi ers to drive (for example) two full-range, surface-mounted loudspeakers along with a subwoofer and one 100 V distributed loudspeaker line;...

  • Page 5: Amplifi Er Front Panel

    Amplifi er Rear Panel NOTE: The DPA4.3, and DPA4.5 models have a different rear panel confi guration than the DPA4.2 rear panel. The difference is that the position of the fan and the eight-pin Euro-style connector and associated information are interchanged.

  • Page 6: Installation

    (15 in) deep, the DPA4.2 is 229 mm (9 in) deep. Secure the amplifi er in the rack with eight (four for the DPA4.2) screws (not included), four in front, four in back. For complete instructions, refer to TD-000050 "Rear Rack Ears Installation Guide" which can be found on the QSC Website (www.qsc.com).
  • Page 7 Inputs Connect the Audio Inputs Balanced Unbalanced ROUTABLE INPUTS HEARTBEAT — Figure 4 — — Figure 5 — — Figure 6 — There are four three-pin Euro-style connectors labeled 1 through 4 providing the audio inputs on the DPA Amplifi ers. A single input can be mixed to one or a combination of outputs.
  • Page 8 Outputs The DPA amplifi ers have four confi gurable outputs. You can set the power, combine outputs (bridged and parallel), and adjust the DSP for each output. When the output confi guration of the amplifi er changes, the output terminals, controlled by relays, change accordingly. Use the diagrams shown in Figure 9 thru...
  • Page 9 The following is a list of confi gurations for 1, 2, 3, and 4-channel outputs. This is not an exhaustive list, but is intended to give you an idea of what is available and how the outputs would be wired. One-Channel Confi...
  • Page 10 F4: AB CD AB Parallel F4: AB CD CD Parallel — Figure 13 — F7: ABC D ABC Parallel F7: ABC D D Single — Figure 14 — Three-Channel Confi gurations F3: A+B C D A+B Bridged F3: A+B C D C Single D Single —...
  • Page 11 Four-Channel Confi guration F1: A B C D A Single F1: A B C D B Single C Single D Single — Figure 17 — Connect the Loudspeakers WARNING!: When the AC Power is on, there is a potential of having dangerous voltage at the output terminals on the rear of the amplifi...

  • Page 12: Amplifi Er Control

    Amplifi er Control EXIT Button EXIT • Navigates out of the menu structure and parameter selection. • In the edit mode, pressing EXIT reverts the value back to its prior OUTPUT state, and exits the edit mode. MASTER CONTROL MUTE MUTE MUTE MUTE...

  • Page 13: Menu Tree

    Array Correction* Load Speaker Save Speaker *For QSC Line Arrays only. AC Power On After connecting the outputs to the loudspeakers, you may turn the amplifi er on. Make sure the output gain settings for all audio-source devices (CD Players, Mixers, Instruments, etc.) are at the lowest output (max attenuation).

  • Page 14: Screen Types

    Screen Types Informational F1: A B C D Preset # and Name Home (Press HOME for more information) Location and breadcrumbs Informational screens, like the HOME screen, are Full Full Full Full designed to provide you with a good amount of Channel Confi...
  • Page 15 NOTE: The power levels shown in this procedure are taken from the DPA4.3 unless indicated otherwise. DPA4.2 will show less power and DPA4.5 will show greater power. For complete details refer to the "Specifi...
  • Page 16 You must select a Scroll to select a Speaker model Output: loudspeaker before selecting Band and Filter. Speaker: QSC AP-5152 To confi rm, press ENTER When you have fi nished Full Range Band: Scroll to select (Band, Filter)

  • Page 17: Recall A Preset

    Modify Presets To modify a preset, recall the preset with the desired output confi guration, modify the Input parameters, Output parameters, then save the preset. In addition, you can save the preset as you are going thru the creation process. Recall a Preset A Preset includes the output confi...
  • Page 18 Set up the Inputs NOTE: Changes made to input levels are in real time. HOME > INPUTS > SENS (ENTER) Step 1 — Select Input Sensitivity Input After confi rming the Scroll to select (3.0 or 1.2 Vrms) F1: A B C D Sensitivity setting, you can scroll to Gain and To confi...
  • Page 19 DSP and characteristics of that loudspeaker. You can start by loading a loudspeaker and then make modifi cations and save your new profi le, or you can build the profi le without loading a loudspeaker, and then save it as a new profi le. If you load a QSC loudspeaker, the amplifi er is set for that specifi...
  • Page 20 HOME > OUTPUTS > SPKR PROC > CROSSOVER > HIGH-PASS (or LOW-PASS) (ENTER) NOTE: If you select a QSC Loudspeaker, you will see that the high-pass, or low-pass fi lters are LOCKED. QSC has given these loudspeakers specifi c voicings tailored for that loudspeaker that should not be changed. If there is any crossover adjustments applied in these voicings, you will be able to see the applied crossover on the graphs of the Crossover screens.
  • Page 21 Limiter NOTE: If you select a QSC Loudspeaker, you will see that the limiter is LOCKED. QSC has given these loudspeakers specifi c limiter settings tailored for that loudspeaker that should not be changed. If there is a limiter applied in these voicings, you will be able to see the applied limiter on the graph.
  • Page 22 HOME > OUTPUTS > SPKR PROC > LIMITER Step 1 — Gain Reduction The Gain Reduction currently To edit the Limiter settings, press ENTER Output F1: A B C D being applied to the selected Outputs Output channel. DELAY Gain Reduction LIMITER 0.0 dB Limiter Params...
  • Page 23 Set Advanced Mode Parameters NOTE: If you select a QSC Loudspeaker, you will see that the limiter is LOCKED. QSC has given these loudspeakers specifi c limiter settings tailored for that loudspeaker that should not be changed. If there is a limiter applied in these voicings, you will be able to see the applied limiter on the graph.
  • Page 24 Step 2 — Save a Loudspeaker with Custom Load Profi le Nominal Impedance Scroll to select (Band, ABOUT SPEAKERS SAVE and Power Rating are Nominal Imped, Power Rating) the nominal settings for Output Data: AB + CD a single loudspeaker of To edit, press ENTER this type.

  • Page 25: Save A Preset

    Save a Preset After modifying the Inputs and Outputs for all channels, save the current settings as one of the 50 user-defi ned presets (U1: thru U50:). Each of the user presets, by default, is the same as factory preset F1: A B C D, so when you save the preset you are "overwriting" the preset currently in that numbered position.
  • Page 26 SAVE Use this SAVE procedure when you are saving the preset by overwriting the currently active user preset. After you use the SAVE AS feature to save the preset you are working on, it then becomes the currently active preset, and you can use the SAVE feature to save as you work on the preset. HOME >...
  • Page 27 Scroll to CONFIRM press ENTER The default password for all amplifi ers is QSC – all uppercase. The password can be up to 10 characters long, and contain, A — Z a — z 0 — 9 _ - space Lock the Amplifi...
  • Page 28 GPIO Connections HOME > UTILITIES > GPI > ENTER NOTE: If you Enable the GPI with nothing connected to the input pin, the GPI performs the selected GPI FUNCTION. In order to undo the result, you must manually reset whatever the GPI FUNCTION was, connect a switch to the input as described below, or you can reverse the GPI HIGH and GPI LOW.
  • Page 29 Step 2 — Setup the GPO (Output) Feature Select ENABLE or DISABLE press UTILITY - GPIO - OUTPUT ENTER Scroll to GPO FUNCTION press GP OUPUT DISABLE ENTER GPO FUNCTION ALL FAULTS Select desired function press ENTER GPO FLAG IMPEDANCE BOUNDARIES Scroll to GPO FLAG press ENTER...

  • Page 30: Supported Loudspeakers

    Supported Loudspeakers Cinema Screen Channel Systems Cinema Surround Loudspeakers Cinema Subwoofers (with X-Curve fi lter) SC-1120 GP118Cine SC-1150 AD-S4T GP218Cine AD-S6T SC-2150 (2150-LF + 2150-HF) AD-S112sw AD-S8T SC-312XC (LF-3115 + HF-75Cx1) SB-1180 AD-S10T SC-322C (LF-3215 + HF-75C) SB-15121 AD-S12 SC-322XC (LF-3215 + HF-75Cx2) SB-5118 SC-323C...

  • Page 31: Specifications

    Specifi cations DPA4.2 DPA4.3 DPA4.5 Channel Confi guration Peak Continuous Peak Continuous Peak Continuous 8  4 Independent Channels 500 W 400 W 900 W 625 W 1200 W 1150 W 4  A, B, C, D 700 W 400 W...
  • Page 32 Dimensions (HWD) 3.5” x 19” x 12” (89 x 482 x 305 mm) 3.5” x 19” x 16” (89 x 482 x 406 mm) 3.5” x 19” x 16” (89 x 482 mm x 406 mm) Weight, Net / Shipping 18.5 lb (8.4 kg) / 22 lb (10.0 kg) 21.0 lb (9.5 kg) / 25 lb (11.3 kg) 22.0 lb (10.0 kg) / 26 lb (11.8 kg)
  • Page 33 © 2015 - 2016 QSC, LLC. All rights reserved. QSC and the QSC logo are registered trademarks of QSC, LLC in the U.S. Patent and Trademark offi ce and other countries. All other trademarks are the property of their respective owners.

This manual is also suitable for:

Dpa4.3Dpa4.5

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