Page 18 Installation and Operating Guide English
Contents pro.Bose.com
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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