Page 2 - DSA Owner’s Manual; T A B L E O F C O N T E N T S; Chapter 2 Unpacking
DSA Owner’s Manual T A B L E O F C O N T E N T S IntroductionChapter 1 Safety 1.1 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51.2 Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 4 - Introduction
Introduction The Digitally Steerable DSA Series Arrays represents EAW’s latest innovation inadvanced, acoustic modeling and applied technology in designing loudspeakers.The DSA250 full-range and DSA230 voice-only or low frequency system are smallformat, column-type loudspeaker systems with a user-va...
Page 5 - S a f e t y P r e c a u t i o n s; equipment or user to potential damage or danger.; S a f e t y I n s t r u c t i o n s
Chapter 1 Safety 1 . 1 S a f e t y P r e c a u t i o n s The terms “Caution,” “Warning,” and “Danger” are used throughout this manual toalert the reader to important safety precautions. If you have any questions aboutany aspects of these precautions, contact your local dealer, distributor, or EAW. T...
Page 6 - G E N E R A L P R E C A U T I O N S
1 . 2 . 1 G E N E R A L P R E C A U T I O N S 1. Read and Follow Instructions — Before installing and operating this loudspeaker, read and follow all instructions and safety precautions in this manual and on the loudspeaker. Retain them for future reference. 2. Ventilation — The sides and rear of th...
Page 7 - C o n t e n t s
Chapter 2 Unpacking 2 . 1 C o n t e n t s QTY PART # DESCRIPTION (1) 0005483 DSA230 or 0005480 DSA250 loudspeaker (1) 0005901 Instruction Manual (1) 0005854 1 ft Cat-5 Signal Link Cable RJ-45 to RJ-45 (wired as a crossover cable) (1) 005085 Neutrik® PowerCon™ NAC3FA in-line plug (3) 0005850 Phoenix ...
Page 8 - Chapter 3 Quick Start; Loudspeaker; D e s c r i p t i o n; Using the DSAPilot, the two input channels may be summed to mono,; C o m p u t e r C o n t r o l C o n n e c t i o n; Set the EIA-485 Terminate Switch to “ON”. For multiple
Chapter 3 Quick Start This section provides basic installation requirements. Refer to Chapter 5 fordetailed instructions. Loudspeaker refers to either a DSA230 or DSA250. Cluster refers to any of the permissible arrangements of single or multiple DSA230s or DSA250s as defined in DSAPilot. Whether th...
Page 9 - A C M a i n s I n s t a l l a t i o n; A C M A I N S S U P P L Y; P h y s i c a l I n s t a l l a t i o n; O R I E N T A T I O N; Figure 3.5 Connecting AC Mains
Over 2 ft / 0.6 m: 2-conductor shielded audio cable / supplied PhoenixContact terminal block plugsConnect Audio A, Audio B (if used), and EIA-485 in parallel daisy-chainfashion between clusters. 3 . 5 A C M a i n s I n s t a l l a t i o n 3 . 5 . 1 A C M A I N S S U P P L Y Provide the loudspeaker w...
Page 10 - WARNING; : Use at least two people for lifting enclosure onto the; S i g n a l P r o c e s s i n g; Figure 3.7 DSAPilot Main Screen
2. Attach the Wall Brackets to structure. You must provide attachmenthardware and ensure the attachment method and structure are capable of supporting the intended load. Position the Wall Bracket weld nuts left or right to allow clearance for later insertion of the Retainer Bolt. 3. Ensuring they ar...
Page 11 - S y s t e m O v e r v i e w; D S A S E R I E S M O D E L S
Chapter 4 Description 4 . 1 S y s t e m O v e r v i e w DSA Series loudspeakers are variable directivity, self-powered line arrays. Eachloudspeaker’s vertical beamwidth is determined by the settings of an internalDSP (digital signal processor) and power amplifier for each transducer. Thisprovides co...
Page 12 - E L E C T R I C A L B E N E F I T S; F e a t u r e s; . 2 . 3 C O M P U T E R C O N T R O L
4 . 1 . 4 E L E C T R I C A L B E N E F I T S Built in digital signal processing, power amplification, and protectivelimiting significantly reduces equipment costs, space, installation,and set-up adjustments. Cabling is limited to providing AC mains, linel e ve l a u d i o , a n d c o m p u t e r c ...
Page 13 - A p p l i c a t i o n s
· 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 P H Y S I C A L · Phoenix Contac...
Page 14 - E n g i n e e r i n g D e s i g n; Figure 4.4a Angled Radiation Pattern
4 . 4 E n g i n e e r i n g D e s i g n The core acoustical design of the DSA Series dates back to the late 1930s inHarry Olson’s book, “Acoustical Engineering”. He showed that, by usingdifferent signal delays on the input to each transducer in a simple line array,the array’s main output lobe could ...
Page 16 - D e s i g n i n g D S A S y s t e m s; Chapter 5; . 1 E l e c t r i c a l I n s t a l l a t i o n; Basic electrical installation tasks include:; Figure 5.1 Electrical Block Diagram
additional benefits in reduced installation costs and operation. Theflexibility of the DSAPilot to automatically optimize the acousticalperformance for multiple DSA Series loudspeakers in a single larger spacefurther enhances their advantage over traditional solutions. 4 . 8 D e s i g n i n g D S A ...
Page 18 - C o b r a N e t TM N e t w o r k C o n n e c t i o n s; D E S C R I P T I O N
5 . 1 . 5 D A I S Y C H A I N I N G C O M P U T E R A N D A U D I O S I G N A L S B E T W E E N C L U S T E R S Any distance (within EIA-485 limitations) between clusters:2-conductor shielded cable Audio A, Audio B, and EIA-485 Connect in parallel to the incoming signal cables on one loudspeakeri n ...
Page 20 - A C M a i n s P o w e r C o n n e c t i o n
5 . 3 A C M a i n s P o w e r C o n n e c t i o n This section details the requirements for the AC mains which is the ACpower connection required by each DSA loudspeaker. 5 . 3 . 1 A C M A I N S S U P P L Y CAUTION: Read all cautionary notes concerning electrical power inChapter 1. Each DSA Series l...
Page 21 - A C M A I N F U S E :; G r o u n d i n g; E L E C T R I C A L G R O U N D
The LED should then go off. See Section 6.1.2 for other LED indications. If it is desired to completely power off (de-energize) the loudspeaker,a conveniently located AC mains disconnect must be supplied orthe power cable must be unplugged from the loudspeaker or the ACmains supply. The PowerCon con...
Page 22 - Basic installation tasks include:
5 . 5 P h y s i c a l I n s t a l l a t i o n This section details the physical requirements and methods for installingthe loudspeaker. Specific mounting procedures detailed herein may requiresome variation depending on the particular situation. However, the basicmethodology is the same in all cases...
Page 24 - Single Enclosure
5 . 5 . 4 I N S T A L L A T I O N O P T I O N S Normal Method: This method is for installing DSA loudspeakers flush-mounted to a vertical wall surface using the supplied brackets. Theinstallation instructions herein apply to this installation method. O p t i o n a l N o r m a l M e t h o d : T h i s...
Page 28 - Install at least one of the supplied 1/4-20 X 3 in Retainer Bolt; Figure 5.5.9b Retainer Bolt Installation; Figure 5.5.9d Secure the Enclosure Position
1. Install at least one of the supplied 1/4-20 X 3 in Retainer Bolt with its lock washer through the side of either the top or bottomWall/Enclosure Bracket and snugly tighten. The bolt threads into aweld nut on the side of the Wall Bracket. This Retainer Bolt preventsthe enclosure from being lifted ...
Page 29 - I n i t i a l S e t - U p; V E R I F Y L O U D S P E A K E R O R I E N T A T I O N A N D P O S I T I O N; A c o u s t i c a l I n s t a l l a t i o n; f o r e a c h D S A C l u s t e r i s a c c o m p l i s h e d u s i n g t h e D S A P i l o t p r o g r a m .; Figure 5.6 Identification LED
5 . 6 I n i t i a l S e t - U p 5 . 6 . 1 V E R I F Y L O U D S P E A K E R O R I E N T A T I O N A N D P O S I T I O N Using the DSAPilot, and with communications established with theloudspeakers, click on each loudspeaker in DSAPilot. The LED inb o t h t h e D S A P i l o t g r a p h i c a n d o n...
Page 30 - Chapter 6 Operation; . 1 O p e r a t i o n a l; M A N A G E M E N T
Chapter 6 Operation The general operation of a DSA loudspeaker is similar to the operation ofmost loudspeakers. Initial system set-up and overall tuning adjustmentsdetailed in this Chapter must be made using DSAPilot. For details aboutusing DSAPilot functions refer to the DSAPilot Help File. Perform...
Page 32 - U P
6 . 2 O p e r a t i o n a l C h e c k L i s t To operate a DSA loudspeaker, pre-performances checks and adjustmentsshould be made. In typical permanently installed applications, thesechecks would normally be one-time, set-up adjustments that may onlyneed to be periodically verified. All of these ste...
Page 33 - O U T P U T
6 . 3 . 3 O P E R A T I O N Operate DSA similarly to any other loudspeaker. This normally involvessetting the source levels to achieve the desired output as well asapplying external equalization or other signal processing to achievecertain desired results. DSA’s internal signal processing, set using...
Page 34 - C h a p t e r 7 - M a i n t e n a n c e a n d S e r v i c e; W a r r a n t y; O P E R A T I N G Q U E S T I O N S :
C h a p t e r 7 - M a i n t e n a n c e a n d S e r v i c e This chapter provides information about warranty coverage and service. 7 . 1 W a r r a n t y See the supplied warranty card for warranty details. 7 . 2 S e r v i c e I t e m s There are no field serviceable parts for the DSA250 or DSA230. S...
Page 35 - C h a p t e r 8 - A p p e n d i c e s; I n s p e c t i o n s a n d M a i n t e n a n c e; P E R I O D I C P H Y S I C A L I N S P E C T I O N S
C h a p t e r 8 - A p p e n d i c e s 8 . 1 I n s p e c t i o n s a n d M a i n t e n a n c e 8 . 1 . 1 P E R I O D I C P H Y S I C A L I N S P E C T I O N S Complete and thorough inspections should be done on a routine,periodic basis. The interval between inspections and scope of theinspections wil...
Page 36 - T r o u b l e s h o o t i n g
8 . 2 T r o u b l e s h o o t i n g This troubleshooting table addresses some common faults. For other difficulties not listed, contact the EAWService Department. SYMPTOM POSSIBLE CAUSE SOLUTION DSA250 Only: No HF output Failed internal component Loudspeaker needs service. No HF output from one Fail...
Page 37 - CobraNetTM
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 levels Using the DSAPilot, monitor the DSAsignal path to check for clipping at ...
Page 38 - E I A - 4 8 5 N e t w o r k; C A B L I N G N O T E S :
38 8 . 3 E I A - 4 8 5 N e t w o r k EIA-485 network cabling has certain limitations that these notessummarize. Improper set-up of an EIA-485 network can result in faulty orno operation. To use EIA-485 network configurations or cabling schemesnot addressed in this manual, consult a qualified network...
Page 39 - T E R M I N A T I O N N O T E S :; S u p p o r t F o r E t h e r n e t
8 . 3 . 2 T E R M I N A T I O N N O T E S : 1. The DSA Terminate 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 have a termination resistor connected as a load on the computer end of the EIA-485 cabling. If option...
Page 40 - C h a p t e r 9 - M e c h a n i c a l D r a w i n g s; RIGHT SIDE; BACK
C h a p t e r 9 - M e c h a n i c a l D r a w i n g s 9 . 1 D S A 2 3 0 36.51 23.89 DIMENSIONS APPLY TO BOTH SIDES RIGHT SIDE INPUT PANELPOWER END FRONT GRILLE 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 WE...
Page 42 - W A L L B R A C K E T
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 WALL BRACKET (FULL SCALE) See Section 5.5.7 for Mounting Instructions 3.0 inch standard (76.2 mm) Verify this dimension ...
