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Application 1: Retail Store, Single Amplifier
In this example, a small retail store location uses an
IZA 190-HZ to power four FreeSpace DS 16F loudspeakers to fill
a single zone of audio.
Two sources provide background music while a paging mic is
used for in-store announcements. For special events, a cable is
ready at the front panel to accept music input from a portable
MP3 player. The amplifier receives a special MUTE signal from
the building's fire alarm panel to pause audio during emergency
situations. In this case, the IZA 190-HZ and components are
located on a shelf in the store's back room while the volume
control panel is located near the cash register for easy access.
DS 16F (16 W Tap)
DS 16F (16 W Tap)
DS 16F (16 W Tap)
DS 16F (16 W Tap)
S
IZA 190-HZ (Front and Rear Panels)
Portable MP3 Player
3.5mm Patch
RCA
Stereo
Patch
RCA
Stereo
Patch
CD Player
Satellite Receiver
Paging Microphone
Volume control with A/B switch
user interface
Fire Alarm Panel
Amplifier Configuration
DIP Switches
Page/Mic
Aux Out
Front Mic
Aux Out
NORMAL
STEREO
MIX
EQ
Loudspeaker EQ
Selector Switch
DS16EQ
1
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Application 2: Bar, Single Amplifier
A small bar utilizes an IZA 250-LZ to drive two pairs of DS 40SE
loudspeakers which are located to each side of the main area.
The establishment is usually supplied music from a satellite receiver fed
into INPUT A. Switching to INPUT B allows televised sports programs
to be augmented by the IZA amplifier + DS 40 loudspeaker system.
The amplifier has been installed right behind the bar where the front
panel is quickly accessible to bar staff. Additionally, a handheld
microphone is connected to the front panel for announcements where
the signal is mixed with the audio content. The mic has been set to
BYPASS the master volume level to ensure that it is always heard
regardless of the MASTER LEVEL setting.
DS 40SE
(Right)
S
IZA 250-LZ (Front and Rear Panels)
Mobile Device
RCA
Stereo
Patch
RCA Stereo
Patch
Cable TV Tuner
Satellite Receiver
Amplifier Configuration
DIP Switches
Page/Mic
Output
Front Mic
Aux Out
BYPASS
STEREO
MIX
EQ
Loudspeaker EQ
Selector Switch
DS40EQ
8293
DS 40SE
(Left)
Mic Cable
Dynamic Microphone
w/switch
3.5mm Patch
DS 40SE
(Left)
DS 40SE
(Right)
Loudspeakers pairs wired in parallel to achieve 4!
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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
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Application 4: Boardroom, Single Amplifier
This application satisfies the requirements of most
boardrooms. In this particular case three sources are
required: a video conferencing system, a Blu-ray
player, and a laptop input.
All equipment is stored on an A/V rack built into the
room. Mounted into the ceiling are stereo
configuration of DS 40F loudspeakers.
Users simply switch between the two inputs, A or B,
or use their laptop using the front panel AUX INPUT
connector which takes priority over other inputs.
IZA 250-LZ (Front and Rear Panels)
RCA
Stereo
Patch
RCA Stereo
Patch
Blu-ray / DVD / CD Player
Amplifier Configuration
DIP Switches
Page/Mic
Output
Front Mic
Aux Out
NORMAL
STEREO
MIX
EQ
Loudspeaker EQ
Selector Switch
DS40EQ
3.5mm Patch
DS 40F
(Left)
DS 40F
(Right)
Laptop
Video Conference System
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Application 5: Green Room, Single Amplifier
A "green room", a room located in a performance venue where artists wait before and
after performances, must be equipped with sound to allow the performers to monitor
the stage/control and also provide the ability to connect sources they may need to
enhance their performances or to simply help them relax. This room is outfitted with a
mono 2-cube FS3 arrangement and uses the HPF setting on the amplifier which
provides a 60 Hz high-pass filter.
In this example, artists can toggle between listening to the stage feed (INPUT A via a
direct box) or a DVD/CD (INPUT B) player in the room. So that they hear important
communications, the control room's intercom system feeds into the front panel Mic/Line
input where the amplifier is set to BYPASS the master volume control and duck the
music. An additional 3.5mm connector is available for connection to mobile devices.
1/4" (M) to
RCA (M)
RCA Mono
Patch
DVD / CD Player
Amplifier Configuration
DIP Switches
Page/Mic
Aux Out
Front Mic
Aux Out
BYPASS
MONO
DUCK
FLAT
Loudspeaker EQ
Selector Switch
HPFEQ
3.5mm Patch
FS 3
2-Cube
(50 W Tap)
IZA 190-HZ (Front and Rear Panels)
Mobile Device
Mic Cable
Room
Panel
Control
Stage
DI Box
Mic Cable
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Application 6: Restaurant, IZA expansion with ZA
For a moderately-sized restaurant, either IZA integrated zone amplifier can pair with either ZA
zone amplifier to form a basic networked amplifier system, sharing sources, paging, control,
and processed signals. In this case one IZA 250-LZ serves as a primary amplifier for a ZA
190-HZ acting as a secondary, or slave, amplifier (note the one RCA patch cord connecting the
two amplifiers). Global volume and two sources get switched via a wall-mounted user control.
Additionally, a paging microphone and portable MP3 player are input into the system as priority
devices.
In total, eight DS 40F loudspeakers are running optimized background music in the restaurant,
hallway, and restroom areas thanks to the onboard speaker EQ for these products. DIP switch
settings are important to set correctly here as the ZA 190-HZ requires the DS 40 EQ to be
passed on from the IZA 250-LZ. Note that the ZA 190-HZ will merge both red and white RCA
channels to make a mono mix.
Amplifier Configuration
DIP Switches
Page/Mic
Aux Out
Front Mic
Aux Out
NORMAL
STEREO
DUCK
EQ
Loudspeaker EQ
Selector Switch
DS40EQ
ZA 190-HZ (Front and Rear Panels)IZA 250-LZ (Front and Rear Panels)
S
RCA Stereo
Patch
Satellite Receiver
RCA Stereo
Patch
CD Player
Paging Microphone
Portable MP3 Player
3.5mm Patch
DS 40F
Volume control with A/B switch
user interface
RCA Stereo Patch
Loudspeakers pairs wired in
parallel to achieve 4!
DS 40F
(20 W Tap)
Main Dining Area
Hallway / Restrooms
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Application 7: Church, Secondary Zones
In this church installation, a ControlSpace® ESP-88 engineered
sound processor is the central mixer and processor for the entire
church. A pair of PowerMatch™ amplifiers drive RoomMatch™
loudspeakers in the sanctuary. The ESP-88 processes all signals
including loudspeaker EQs for the DS 40F and DS 16F loudspeakers
in the secondary zones. These feeds supply three areas - the
sacristy, an entrance hallway, and a busy cry room. The latter two
zones have CC-16 controllers that directly control the source from the
ESP-88 while in the sacristy, additional sources can be connected
due to an IZA 190-HZ. A separate Volume control with A/B switch
interface directly controls the volume and source in this location.
Amplifier Configuration
DIP Switches
Page/Mic
Aux Out
Front Mic
Aux Out
NORMAL
MONO
DUCK
FLAT
Loudspeaker EQ
Selector Switch
HPFEQ
Sacristy
Hallway
Cry Room
DS 40F
(40 W Tap)
DS 40F
(40 W Tap)
DS 16F
(16 W Tap)
DS 16F
(16 W Tap)
DS 16F
(16 W Tap)
DS 16F
(16 W Tap)
DS 16F
(16 W Tap)
DS 16F
(16 W Tap)
DS 16F
(16 W Tap)
DS 16F
(16 W Tap)
CC-16
Zone Controller
CC-16
Zone Controller
Volume control with
A/B switch
user interface
RCA Mono
Patch
ESPLink
TOSLINK
Connection
ESP-88
with ESPLink Output Card
PM8500N
with ESPLink Input Card
CD Player
IZA 190-HZ (Rear Panel)
ZA 190-HZ (Rear Panel)
ZA 190-HZ (Rear Panel)
Microphones
and Line Sources
To RoomMatch™
array modules and
subwoofers
To RoomMatch™
array modules and
subwoofers
PM8500N
with ESPLink Input Card
Euroblock
(unbal) to
RCA (M)
Euroblock (unbal) to
RCA (M)
Euroblock (unbal) to
RCA (M)
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Application 8: Cafe, Outdoor System
The FreeSpace® 4400 business music system serves as the primary
controller/mixer/amplifier for a cafe in this example. Using an
unbalanced connection from the ZONE 4 LINE OUT connector on the
4400 to INPUT A on the IZA 190-HZ, main room content is fed to the
remote amplifier. It is at this remote zone amplifier that cafe staff can
select the source: feed from the 4400, music from a CD player, or mobile
device. Additionally, a separate paging microphone is available for
outdoor-only announcements - especially handy for summertime crowds
who tend to wait for available tables outside. The IZA 190-HZ, installed
in an equipment room together with the 4400, drives a pair of 40 W-
tapped FreeSpace 360P series II loudspeakers located in an outdoor
patio area. A Volume control user interface with A/B switch interface is
located nearby which controls the volume and source channel.
Amplifier Configuration
DIP Switches
Page/Mic
Aux Out
Front Mic
Aux Out
BYPASS
MONO
DUCK
FLAT
Loudspeaker EQ
Selector Switch
HPFEQ
FreeSpace® 360P II
(40 W Tap)
Volume control with A/B switch
user interface
(located by doorway indoors)
RCA Mono
Patch
FreeSpace® 4400
business music system
CD Player
Microphones
and Line Sources
Euroblock
(unbal) to
RCA (M)
Paging Microphone
3.5mm Patch
IZA 190-HZ (Front and Rear Panels)
Mobile Device
Zone 4 Line Out
To indoor
FreeSpace
loudspeakers
Outdoor Patio
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Application 9: Large Restaurant, Secondary Zones
In this simplified example, a FreeSpace DXA 2120 digital mixer/amplifier
and ZA 190-HZ work together to provide sound to a large restaurant.
The DXA 2120 receives signals from multiple sources and supplies
power to loudspeakers located in the main dining and bar areas. A ZA
190-HZ zone amplifier connects to the DXA 2120 via the fixed-signal
AUX OUTPUT connection. Both components are located in an
equipment room inside the restaurant. The ZA 190-HZ runs a split
constant-voltage distribution line to two zones, each with their own 70V
wall-mounted variable control speaker attenuator (not a Bose part).
These feeds power pairs of DS 16F (16 W tap) loudspeakers in kitchen
and restroom areas.
FreeSpace® DXA 2120
digital mixer/amplifier
Microphones
and Line Sources
Euroblock
(unbal) to
RCA (M)
ZA 190-HZ (Rear Panel)
AUX OUTPUT
To main room
FreeSpace
loudspeakers
Kitchen
Restrooms
Speaker
Attenuator
Speaker
Attenuator
DS 16F
(16 W Tap)
DS 16F
(16 W Tap)
DS 16F
(16 W Tap)
DS 16F
(16 W Tap)
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