Bose FreeSpace 3 Installation and operating instructions

APPLICATION NOTE
FreeSpace®3
Business Music System
How to Modify FreeSpace 3 Wiring
This application note illustrates how to connect an Acoustimass®bass module in three common
installations.
I. Use of Transformer
II. Use of Direct Mode (Transformer Bypass)
Connecting a mono source with the Connecting a stereo source with the
transformer bypassed: transformer bypassed:
pro.bose.com
1OF2
PROFESSIONAL SYSTEMS
PA
+100V
+70V
COMM
FreeSpace 3
Acoustimass Module
®
Note: Jumpers required
for 70V/100V operation.
For transformer bypass,
remove jumpers from
transformer settings and
use 4-8Ωinput.
SATELLITE
CONNECTIONS
4-8Ω
INPUT
STEREO
CH 2
STEREO
CH 1
SAT 1
SAT 2
MONO
USE JUMPERS
SAT 4
SAT 3
SAT 2
SAT 1
+
200W
100W
50W 25W NC
TRANSFORMER SETTINGS
___
+100V
+70V
COMM
MONO
70V/100V
INPUT
The transformer tap setting from the factory is for 200W use. To set it for lower wattage, remove the end of
the ‘+’ jumper wire connected to 200W and reattach it to the appropriate tap (100W,50W or 25W).
Connecting an amplifier output to a single
module in a 70V configuration:
Jumpers in
the factory-
installed
configuration
for 200W use.
FreeSpace 3
Acoustimass Module
®
Note: Jumpers required
for 70V/100V operation.
For transformer bypass,
remove jumpers from
transformer settings and
use 4-8Ωinput.
SATELLITE
CONNECTIONS
4-8Ω
INPUT
STEREO
CH 2
STEREO
CH 1
SAT 1
SAT 2
MONO
USE JUMPERS
SAT 4
SAT 3
SAT 2
SAT 1
+
200W
100W
50W
25W
NC
TRANSFORMER SETTINGS
+100V
+70V
COMM
MONO
70V/100V
INPUT

FreeSpace®3
Loudspeaker System
APPLICATION NOTE
pro.bose.com
2OF2
III. Wiring Satellites to the Module (with or without Transformer)
+100V
+70V
COMM
MONO
70V/100V
INPUT
+100V
+70V
COMM
MONO
70V/100V
INPUT
For additional information on the FreeSpace 3 systems see the FreeSpace 3 Design Application note, or the
FreeSpace 3 Installation Guide.
Using 2 satellite speakers Using 4 satellite speakers with direct connections
©2006 Bose Corporation. All information subject to change without notice.