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Manual EAW DSA250 & DSA230

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  • EAW DSA250 & DSA230 - page 1

    DSA250 & DSA230 L OUDSPEAKER OWNER ’ S MANUAL ...

  • EAW DSA250 & DSA230 - page 2

    DSA O wner ’ s M anual T ABLE OF C ONTENTS Introduction Chapter 1 Safety 1.1 Safety Pr ecautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.2 Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • EAW DSA250 & DSA230 - page 3

    5.3 AC Mains P ower Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 0 5.3.1 AC Mains Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 5.3.2 AC Mains Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • EAW DSA250 & DSA230 - page 4

    Introduction The Digitally Steerable DSA Series Array s represents EA W’s latest innov ation in advanced, acoustic modeling and applied technology in designing loudspeakers . The DSA250 full-range and DSA23 0 voice-only or lo w frequency system are small format, column-type loudspeaker sy stems with a user-variable v ertical beamwidth. The easy-t ...

  • EAW DSA250 & DSA230 - page 5

    Chapter 1 Safety 1.1 Safety Precautions The terms “ Caution, ” “ W arning, ” and “ Danger ” are used throughout this manual to alert the reader to important safety precautions. If y ou hav e any questions about any aspects of these precautions , contact your local dealer , distributor , or EA W . The following are the descriptions of th ...

  • EAW DSA250 & DSA230 - page 6

    1.2.1 GENERAL PRECA UTIONS 1. R ead and Follo w Instructions — Before installing and operating this loudspeaker , read and follow all instructions and safety precautions in this manual and on the loudspeaker . R etain them for future reference . 2. V entilation — The sides and rear of the enclosure form the heat sink for the internal amplifiers ...

  • EAW DSA250 & DSA230 - page 7

    Chapter 2 Unpacking 2.1 Con tents QTY P ART # DESCRIPTION (1) 0005483 DSA230 or 0005480 DSA250 loudspeaker (1) 00059 0 1 Instruction Manual (1) 0005854 1 f t Cat-5 Signal Link Cable RJ-45 to RJ-45 (wired as a crossov er cable) (1) 005 085 Neutrik ® Po werCon ™ NA C3FA in-line plug (3 ) 0 0 058 50 Phoenix Contact MSTB 2,5/3-STZ-5,08 3-pin in-line ...

  • EAW DSA250 & DSA230 - page 8

    Chapter 3 Quick Star t This section provides basic installation requirements . R efer to Chapter 5 for detailed instructions. Loudspeaker refers to either a DSA230 or DSA25 0. Cluster refers to any of the permissible arrangements of single or multiple DSA230s or DSA25 0s as defined in DSAPilot. Whether they consist of a single or multiple loudspeak ...

  • EAW DSA250 & DSA230 - page 9

    Over 2 ft / 0.6 m: 2-conductor shielded audio cable / supplied Phoenix Contact terminal block plugs Connect Audio A, A udio B (if used), and EIA-485 in parallel dais y-chain fashion between clusters . 3.5 A C Mains Installation 3.5.1 A C MAINS SUPPL Y Provide the loudspeaker with a 5 0 Hz or 60 Hz AC Mains circuit capable of: 1 00 V to 12 0 V 220 V ...

  • EAW DSA250 & DSA230 - page 10

    2. Attach the W all Brackets to structure . Y ou must pro vide attachment hardware and ensure the attachment method and structure are capable of supporting the intended load. Position the W all Bracket weld nuts left or right to allo w clearance for later insertion of the R etainer Bolt. 3 . Ensuring they are oriented properly , install the two Enc ...

  • EAW DSA250 & DSA230 - page 11

    Chapter 4 Description 4.1 Sy stem O verview DSA Series loudspeakers are variable directivity , self-po wered line arr ays. Each loudspeaker ’ s v ertical beamwidth is determined b y the settings of an internal DSP (digital signal processor) and pow er amplifier for each transducer . This provides complete , on-site control o ver the range of poss ...

  • EAW DSA250 & DSA230 - page 12

    4.1.4 ELECTRICAL BENEFITS Built in digital signal processing, pow er amplification, and protective limiting significantly reduces equipment costs, space , installation, and set-up adjustments. Cabling is limited to pro viding AC mains , line level audio, and computer control signals . EIA-485 or optional CobraNet ™ /Ethernet netw orking technolog ...

  • EAW DSA250 & DSA230 - page 13

    · Cat-5 Link Cable links adjacent loudspeakers. · Optional CobraNet ™ interface for digital distribution of audio and computer control via Ethernet · Provision for back up audio/computer communications using a redundant Ethernet network, when using CobraNet ™ . 4.2.5 PHYSICAL · Phoenix Contact and Neutrik EtherCon and Po werCon connectors f ...

  • EAW DSA250 & DSA230 - page 14

    4.4 Engineering Design The core acoustical design of the DSA Series dates back to the late 1930s in Harry Olson ’ s book, “ Acoustical Engineering ” . He show ed that, by using different signal delay s on the input to each transducer in a simple line array , the array ’ s main output lobe could be effectively “ steered ” . While this co ...

  • EAW DSA250 & DSA230 - page 15

    The required signal processing, accomplished by DSP (digital signal processing), involv es parametric equalization, signal delay , frequency filtering, gain, and limiting. These parameters are individually adjusted by the DSAPilot for each transducer in each loudspeaker . The a vailable DSP resources provide a broad range of possible co verage patt ...

  • EAW DSA250 & DSA230 - page 16

    additional benefits in reduced installation costs and operation. The flexibility of the DSAPilot to automatically optimize the acoustical performance for multiple DSA Series loudspeakers in a single larger space further enhances their advantage o ver traditional solutions . 4.8 Designing DSA Sy stems DSA loudspeakers can be used individually , in m ...

  • EAW DSA250 & DSA230 - page 17

    5.1.2 A UDIO SIGNAL C ONNECTION CobraNet ™ : Skip to Section 5.2 if using CobraNet ™ for distribution of the audio and control signals. Audio A or Audio B: 2-conductor twisted pair , shielded, audio cable connected to supplied 3-pin Phoenix Contact T erminal Plug and to the line lev el audio signal source . Nominal level: 0 dBu / 0.775 V rms . ...

  • EAW DSA250 & DSA230 - page 18

    5.1.5 DAISY CHAINING COMPUTER AND A UDIO SIGNALS BET WEEN CL USTERS Any distance (within EIA -485 limitations) between clusters: 2-conductor shielded cable Audio A, A udio B, and EIA-485 Connect in parallel to the incoming signal cables on one loudspeaker in the first cluster and connect to the same signal ports on one loudspeaker in the next clust ...

  • EAW DSA250 & DSA230 - page 19

    5.2.3 ADDITIONAL EQUIPMENT Y OU MUST SUPPL Y FOR COBRANET ™ : · Loudspeaker interface: EA W CM-1 CobraNet ™ Interface Card (P/N 0005987) for each DSA Series loudspeaker · Audio/Computer interface: Converts signals to CobraNet ™ protocol · Ethernet switch or hub: For netw orking multiple loudspeakers ov er Ethernet 5.2.4 CABLING: A CA T -5 ...

  • EAW DSA250 & DSA230 - page 20

    5.3 A C Mains Po wer Connection This section details the requirements for the AC mains which is the A C pow er connection required by each DSA loudspeaker . 5.3.1 A C MAINS SUPPL Y CAUTION: R ead all cautionary notes concerning electrical po wer in Chapter 1. Each DSA Series loudspeaker is rated for a particular nominal AC Mains voltage: 1 15 V or ...

  • EAW DSA250 & DSA230 - page 21

    The LED should then go off. See Section 6.1.2 for other LED indications. If it is desired to completely pow er off (de-energize) the l oudspeaker , a conveniently located A C mains disconnect must be supplied or the pow er cable must be unplugged from the loudspeaker or the AC mains supply . The Pow erCon connector is a locking connecter . T o lock ...

  • EAW DSA250 & DSA230 - page 22

    5.5 Phy sical Installation This section details the phy sical requirements and methods for installing the loudspeaker . Specific mounting procedures detailed herein ma y require some variation depending on the particular situation. Ho wev er , the basic methodology is the same in all cases. Basic installation tasks include: Installing the Enclosure ...

  • EAW DSA250 & DSA230 - page 23

    5.5.3 MUL TIPLE L OUDSPEAKERS AND CL USTER CONFIGURA TIONS CAUTION: Only clusters defined b y the DSAPilot or pictured herein may be used. Any other configurations will result in poor to unusable perform- ance . In the future other configurations may be added to the DSAPilot. In some applications, tighter MF/HF pattern control, higher output, or na ...

  • EAW DSA250 & DSA230 - page 24

    5.5.4 INST ALLA TION OPTIONS Normal Method: This method is for installing DSA loudspeakers flush-mounted to a vertical w all surface using the supplied brackets. The installation instructions herein apply to this installation method. Optional Normal Method: This method is for suspending DSA loudspeakers. The optional DSA Fly-Bar Kit is required for ...

  • EAW DSA250 & DSA230 - page 25

    5.5.6 MOUNTING HEIGHT The acoustical reference point for the DSAPilot is the geometric center of the cluster , which is halfw ay between the top of the top enclosure to the bottom of the bottom enclosure . That means for a steering angle of 0 degrees “ on-axis ” is the ph ysical center of the cluster . The elevation entered into DSAPilot refers ...

  • EAW DSA250 & DSA230 - page 26

    Critical Dimensions: 1. Spacing between the W all Brackets for a single loudspeaker must be within 0.1 in / 3 mm of the dimensions in Figure 5.5.7a. In order to lift a loudspeaker onto its wall brackets , spacing between the top wall bracket and ceiling, or other o verhead obstruction, must be 8.5 inches minimum. NOTE: 8.5 inches allo ws only 0.25 ...

  • EAW DSA250 & DSA230 - page 27

    5.5.8 ENCL OSURE BRACKET INST ALLA TION Insert each supplied Enclosure Bracket into its slot near each end of the enclosure , verifying the proper orientation of the enclosure . Insert a supplied 3/8-16 x 2 in Enclosure Bracket Bolt with its lock washer into each bracket bolt hole in the enclosure . Thread each bolt into the weld nut on its Enclosu ...

  • EAW DSA250 & DSA230 - page 28

    1 . Install at least one of the supplied 1/4-20 X 3 in R etainer Bolt with its lock washer through the side of either the top or bottom W all/Enclosure Bracket and snugly tighten. The bolt threads into a weld nut on the side of the W all Bracket. This R etainer Bolt prevents the e nclosure from being lifted off the W all Brackets without first remo ...

  • EAW DSA250 & DSA230 - page 29

    5.6 Initial Set-Up 5.6.1 VERIFY LOUDSPEAKER ORIENT A TION AND POSITION Using the DSAPilot, and with communications established with the loudspeakers, click on each loudspeaker in DSAPilot. The LED in both the DSAPilot graphic and on the actual loudspeaker will illuminate . Ensure that the phy sical orientation and position of each loudspeaker corre ...

  • EAW DSA250 & DSA230 - page 30

    Chapter 6 Operation The general operation of a DSA loudspeaker is similar to the operation of most loudspeakers. Initial s ystem set-up and o verall tuning adjustments detailed in this Chapter must be made using DSAPilot. For details about using DSAPilot functions refer to the DSAPilot Help File . Performance operation is largely concerned with adj ...

  • EAW DSA250 & DSA230 - page 31

    2. Input Clip: If this indication is enabled, random flashing sho ws that the audio input signal is clipping the A to D converters at the input. T o correct this condition, reduce the input signal lev el at the source . Because the input gain is after the A to D converters , the DSA input gain adjustment will hav e no effect on this condition. NOTE ...

  • EAW DSA250 & DSA230 - page 32

    6.2 Operational Check List T o operate a DSA loudspeaker , pre-performances checks and adjustments should be made . In typical permanently installed applications, these checks would normally be one-time , set-up adjustments that ma y only need to be periodically verified. All of these steps require using DSAPilot. 1. Set the Pow er Management funct ...

  • EAW DSA250 & DSA230 - page 33

    6.3.3 OPERA TION Operate DSA similarly to any other loudspeaker . This normally involv es setting the source levels to achiev e the desired output as well as applying external equalization or other signal processing to achieve certain desired results. DSA ’ s internal signal processing, set using DSAPilot, should not be used for in performance ad ...

  • EAW DSA250 & DSA230 - page 34

    Chapter 7 - Maintenance and Service This chapter provides information about w arranty cov erage and service. 7.1 W arranty See the supplied warranty card for w arranty details. 7.2 Ser vice Items There are no field serviceable parts for the DSA250 or DSA23 0. Service and repair information must be obtained by contacting the EA W Service Department ...

  • EAW DSA250 & DSA230 - page 35

    Chapter 8 - Appendices 8.1 Inspections and Maintenance 8.1.1 PERIODIC PHYSICAL INSPECTIONS Complete and thorough inspections should be done on a routine , periodic basis. The interv al between inspections and scope of the inspections will depend on the conditions of use . This interval must not exceed 1 year . All mountings and enclosures should be ...

  • EAW DSA250 & DSA230 - page 36

    8.2 T roubleshooting This troubleshooting table addresses some common faults. F or other difficulties not listed, contact the EA W Service Department. SYMPTOM POSSIBLE CAUSE SOLUTION DSA25 0 Only: No HF output Failed internal component Loudspeaker needs service . No HF output from one Failed internal component Loudspeaker needs service . or more dr ...

  • EAW DSA250 & DSA230 - page 37

    the up/down enclosure orientation is correct for the application. Distorted sound Failed internal component(s) Using the DSAPilot ’ s Service Mode, check the operation of each amplifier and driver . Distorted sound Excessive lev els Using the DSAPilot, monitor the DSA signal path to check for clipping at all monitoring points. Distorted sound Bad ...

  • EAW DSA250 & DSA230 - page 38

    38 8.3 EIA-485 Network EIA-485 netw ork cabling has certain limitations that these notes summarize . Improper set-up of an EIA-485 netw ork can result in faulty or no operation. T o use EIA -485 network configurations or cabling schemes not addressed in this manual, consult a qualified network professional. 8.3.1 CABLING NOTES: 1. Single Loudspeake ...

  • EAW DSA250 & DSA230 - page 39

    8.3.2 TERMINA TION NO TES: 1. The DSA T erminate Switch connects a 120 ohm resistor as a load on the EIA-485 cabling. 2 . Normally , USB to EIA-485 or RS-232 to EIA -485 converters also ha ve a termination resistor connected as a load on the computer end of the EIA-485 cabling. If optional, this termination should be switched on. Both this terminat ...

  • EAW DSA250 & DSA230 - page 40

    Chapter 9 - Mechanical Dra wings 9.1 DSA230 36.51 23.89 DIMENSIONS APPLY TO BOTH SIDES RIGHT SIDE INPUT PANEL POWER END FRONT GRI LLE PARTIALLY SHOWN DSA230 EASTERN ACOUSTIC WORKS (4.36) BACK 2X 14° 11.24 2X 20° FROM WALL LED INPUT PANEL 9.34 9.32 SIGNAL END 8.26 CABINET WEIGHT= 62 LBS 40 ...

  • EAW DSA250 & DSA230 - page 41

    9.2 DSA250 38.17 50.80 50.80 DIMENSIONS APPLY TO BOTH SIDES RIGHT SIDE INPUT PANEL POWER END GRI LLE PARTIALLY SHOWN GRI LLE PARTIALLY SHOWN FRONT DSA250 EASTERN ACOUSTIC WORKS (4.36) BACK 2X 14 ° 2X 20 ° INPUT PANEL 9.32 9.34 LED 11.24 FROM WALL SIGNAL END 8.26 CABINET WEIGHT = 84 LBS 41 ...

  • EAW DSA250 & DSA230 - page 42

    3.47 in (88.3 mm) 0.38 in (9.7 mm) 0.38 in (9.7 mm) 4.22 in (107.3 mm ) 2.76 in (70.0 mm) 0.62 in (15.8 mm) 0.62 in (15.8 mm) 4.00 in (101.5 mm ) 4X Ø 0.38 in (9.65 mm) FIGURE 9.3 W ALL BRACKET (FULL SCALE) See Section 5.5.7 for Mounting Instructions 3.0 inch standard (76.2 mm) Verify this dimension before using this template. When printing this P ...

  • EAW DSA250 & DSA230 - page 43

    ...

  • EAW DSA250 & DSA230 - page 44

    One Main Street, Whitinsville, MA 01588 508-234-6158 F AX 508-234-8251 P a r t N o . RD0086( B ) 27AUG 03 ...

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