Bose FreeSpace IZA 250-LZ

English Installation and Operation Page 3
pro.Bose.com Contents
Safety Information .................................................................................................................................................................. 4
Introduction ............................................................................................................................................................................ 20
FreeSpace
®
IZA 190-HZ/IZA 250-LZ integrated zone amplifier ............................................................................................. 20
Contents ........................................................................................................................................................................ 20
Front-panel .................................................................................................................................................................... 20
Rear-panel ..................................................................................................................................................................... 21
Loudspeaker connections ............................................................................................................................................. 21
Making loudspeaker connections (IZA 190-HZ) ................................................................................................. 21
Making loudspeaker connections (IZA 250-LZ) .................................................................................................. 22
Input connections .......................................................................................................................................................... 23
RCA input connections ....................................................................................................................................... 23
Page input connections ...................................................................................................................................... 23
Mic/Line input connections (Front-panel) ........................................................................................................... 24
Aux input (Front-panel) ....................................................................................................................................... 24
Remote Control connections ......................................................................................................................................... 25
Remote volume and source selection control .................................................................................................... 25
Mute with standard contact closure ................................................................................................................... 25
AC power connection .................................................................................................................................................... 25
Setup – Rear-panel controls .......................................................................................................................................... 26
Operation – Front-panel controls and indicators ........................................................................................................... 27
FreeSpace
®
ZA 190-HZ/250-LZ zone amplifier...................................................................................................................... 28
Contents ........................................................................................................................................................................ 28
Front-panel controls and indicators ............................................................................................................................... 28
Rear-panel controls ....................................................................................................................................................... 28
Expanding an IZA system with a ZA amplifier ............................................................................................................... 29
System operation .......................................................................................................................................................... 29
Input connections .......................................................................................................................................................... 29
Connecting the IZA 190-HZ/250-LZ amplifier to the ZA 190-HZ/250-LZ amplifier ............................................ 29
Connecting the zone amplifier with other products ........................................................................................... 29
Line input connections ........................................................................................................................................ 29
Loudspeaker connections .................................................................................................................................. 29
Installation and Placement ..................................................................................................................................................... 30
Importance of proper ventilation .................................................................................................................................... 30
Placing on a flat surface ............................................................................................................................................... 30
Installing the feet on the amplifier ....................................................................................................................... 30
Stacking units .................................................................................................................................................... 30
Mounting in standard rack with Rack Mount Kit Accessory .......................................................................................... 31
Mounting a single amplifier ................................................................................................................................ 31
Mounting two amplifiers .................................................................................................................................... 32
Using the rear rack ears for strain relief .............................................................................................................. 33
Spacing requirements for rack-mounted amplifiers ........................................................................................... 33
Troubleshooting ..................................................................................................................................................................... 34
AC Current Draw and Thermal Dissipation Information ......................................................................................................... 35
Specifications ......................................................................................................................................................................... 36
Additional Resources ............................................................................................................................................................. 43