Bose IZA 190-HZ - Table of Contents

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Page 18 Installation and Operating Guide English

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1. Introduction .................................................................................................................................................................... 19

2. FreeSpace

IZA 190-HZ/IZA 250-LZ Integrated Zone Ampliﬁer ................................................................................... 19

2.1 Contents .............................................................................................................................................................. 19

2.2 Front-panel .......................................................................................................................................................... 19

2.3 Rear-panel ........................................................................................................................................................... 20

2.4 Loudspeaker connections ................................................................................................................................... 20

2.4.1 Making loudspeaker connections (IZA 190-HZ) .................................................................................... 20

2.4.2 Making loudspeaker connections (IZA 250-LZ) ..................................................................................... 21

2.5 Input connections ................................................................................................................................................ 22

2.5.1 RCA input connections .......................................................................................................................... 22

2.5.2 Page input connections ......................................................................................................................... 22

2.5.3 Mic/Line input connections (Front-panel) .............................................................................................. 23

2.5.4 Aux input (Front-panel) .......................................................................................................................... 23

2.6 Remote Control connections .............................................................................................................................. 24

2.6.1 Remote volume control .......................................................................................................................... 24

2.6.2 Mute with standard contact closure ...................................................................................................... 24

2.7 AC power connection .......................................................................................................................................... 24

2.8 Setup – Rear-panel controls ............................................................................................................................... 25

2.9 Operation – Front-panel controls and indicators ................................................................................................ 26

3. FreeSpace

ZA 190-HZ/250-LZ Zone Ampliﬁer ............................................................................................................ 27

3.1 Contents .............................................................................................................................................................. 27

3.2 Front-panel controls and indicators .................................................................................................................... 27

3.3 Rear-panel controls ............................................................................................................................................. 27

3.4 Expanding an IZA system with a ZA ampliﬁer ..................................................................................................... 28

3.5 System operation ............................................................................................................................................... 28

3.6 Input connections ................................................................................................................................................ 28

3.6.1 Connecting the IZA 190-HZ/250-LZ ampliﬁer to the ZA 190-HZ/250-LZ ampliﬁer ............................... 28

3.6.2 Connecting the Zone Ampliﬁer with other products ............................................................................. 28

3.6.3 Line input connections ........................................................................................................................... 28

3.6.4 Loudspeaker connections...................................................................................................................... 28

4. Installation and Placement ............................................................................................................................................. 29

4.1 Importance of proper ventilation ......................................................................................................................... 29

4.2 Placing on a ﬂat surface ..................................................................................................................................... 29

4.2.1 Installing the feet on the ampliﬁer .......................................................................................................... 29

4.2.2 Stacking units ....................................................................................................................................... 29

4.3 Mounting in standard rack with Rack Mount Kit Accessory ............................................................................... 30

4.3.1 Mounting a single ampliﬁer ................................................................................................................... 30

4.3.2 Mounting two ampliﬁers ........................................................................................................................ 31

4.3.3 Using the rear rack ears for strain relief ................................................................................................. 32

5. Troubleshooting ............................................................................................................................................................. 33

Additional Resources ............................................................................................................................................................. 35

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Bose IZA 190-HZ - Table of Contents

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