F e a t u r e s, E L E C T R I C A L B E N E F I T S

EIA-485		DSA250		4 . 1 . 4	E L E C T R I C A L B E N E F I T S
AUDIO A	INPUT DSP		∑	Built in digital signal processing, power amplification, and protective
AUDIO B			∑
	INPUT DSP
	INPUT DSP			limiting significantly reduces equipment costs, space, installation,

	DSP	AMP		and set-up adjustments. Cabling is limited to providing AC mains, line
				level audio, and computer control signals. EIA-485 or optional
	DSP	AMP		CobraNet™/Ethernet networking technology allows all loudspeakers in a
				project to be adjusted and controlled from one computer. EIA-485
	DSP	AMP		network topology was chosen as the supplied default because it is easy

	DSP	AMP		to implement. It is also unique in allowing multiple network nodes to
	DSP	AMP		communicate bi-directionally over a single pair of twisted wires. No

	DSP	AMP		other network standard combines this capability with equivalent noise
	DSP	AMP		rejection, data rate, cable length, and general robustness.
				rejection, data rate, cable length, and general robustness.
	DSP	AMP
	DSP	AMP		4 . 2	F e a t u r e s
	DSP	AMP		4 . 2 . 1 A C O U S T I C A L
	DSP	AMP
	DSP			·Vertical beamwidth is software controlled on-site to fit the application
	DSP	AMP		·Wide 120 degree fixed horizontal beamwidth
				·Wide 120 degree fixed horizontal beamwidth
	DSP	AMP		·Pre-determined templates for loudspeaker clusters provide a wide
	DSP	AMP			range of capabilities
					range of capabilities
	DSP	AMP		·DSA250 full-range loudspeaker has eight 4 in LF drivers, eight 1 in
	DSP	AMP			horn-loaded HF drivers
					horn-loaded HF drivers
	DSP	AMP		·DSA230 low frequency or voice-only loudspeaker has eight 4 in LF drivers
				·Full frequency response and high output for music applications
	DSP	AMP		·Extended pattern control and higher outputs at lower frequencies
					using additional DSA230’s
	DSP	AMP		·Exceptional intelligibility for reverberant rooms
				·Exceptional intelligibility for reverberant rooms
	DSP	AMP		4 . 2 . 2 E L E C T R O N I C
				4 . 2 . 2 E L E C T R O N I C
	DSP	AMP		· Self-powered requiring wiring for AC power, line level audio, and
					computer control

·No amplifier or processing racks needed, reducing space and cost

EIA-485		DSA230		· Individual amplifier and DSP for each transducer
AUDIO A	INPUT DSP		∑	· Convection cooled electronics eliminates noisy cooling fans
AUDIO B			∑
AUDIO B	INPUT DSP			· Built-in driver protection provides high reliability
				· Built-in driver protection provides high reliability
	DSP	AMP		· Two audio inputs allow summed stereo or priority announcement
	DSP	AMP		override capability
				override capability
	DSP	AMP		· Electronically balanced inputs maximize the signal to noise ratio
	DSP	AMP
	DSP	AMP		4 . 2 . 3 C O M P U T E R C O N T R O L
	DSP	AMP
	DSP			· User-friendly DSAPilot software easily creates desired vertical
	DSP	AMP		coverage patterns
				coverage patterns
	DSP	AMP		· DSP adjusted and optimized by DSAPilot for plug and play setup
	DSP	AMP		· User adjustable input EQ, signal delay, level, HPF/LPF, and

	DSP	AMP		compression for each loudspeaker cluster
	DSP	AMP		· Computer can be disconnected for no-tamper operation
				· Computer can be disconnected for no-tamper operation
	DSP	AMP		· Computer can be left connected for monitoring purposes
	DSP	AMP		4 . 2 . 4 N E T W O R K I N G
				· EIA-485 network for remote PC operation and computer control

· Analog audio and control signals can be daisy-chained to multiple

Figure 4.1.4 DSA Block Diagrams

loudspeakers

EAW D S A 2 5 0 F e a t u r e s, E L E C T R I C A L B E N E F I T S, 1.4 DSA Block Diagrams

Models: D S A 2 3 0 D S A 2 5 0

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

4 . 2 . 1 A C O U S T I C A L

4 . 2 . 2 E L E C T R O N I C

4 . 2 . 3 C O M P U T E R C O N T R O L

4 . 2 . 4 N E T W O R K I N G

Figure 4.1.4 DSA Block Diagrams