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Application 3: Classroom, Single Amplifier
The IZA 250-LZ integrated zone amplifier is the ideal mixer/amplifier for use in
schools. Modern classrooms frequently require moderate sound reinforcement
from a number of consumer sources. In this example, an A/V cart stores the
amplifier, a combo DVD/CD player, and provides a surface for a PC or Mac
computer. DS 40SE loudspeakers have been installed and mounted in the
classroom. A multi-pin connector attaches the cart to the wall for connector to
the loudspeakers.
The instructor is able to select between either input from the front of the amplifier.
Additionally a wireless clip-on lav microphone is used in the classroom. A small
wireless receiver unit is connected to the MIC/LINE INPUT on the amplifier's
front panel. The mic has been configured to have audio duck under the mic
signal so that the instructor can always be heard clearly.
IZA 250-LZ (Front and Rear Panels)
RCA
Patch
3.5mm to
RCA Patch
DVD / CD Player
Amplifier Configuration
DIP Switches
Page/Mic
Output
Front Mic
Aux Out
NORMAL
STEREO
DUCK
EQ
Loudspeaker EQ
Selector Switch
DS40EQ
Mic Cable
3.5mm Patch
DS 40SE
(Left)
DS 40SE
(Right)
Portable MP3 Player
Laptop
Wireless Lav Mic
Receiver
of 9
3
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