Bose FreeSpace 3 Application Note

How to Modify FreeSpace 3 Wiring
This application note illustrates how to connect an Acoustimass
installations.
I. Use of Transformer
Connecting an amplifier output to a single
module in a 70V configuration:
PA
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).
II. Use of Direct Mode (Transformer Bypass)
Connecting a mono source with the
transformer bypassed:
Note: Jumpers required
TRANSFORMER SETTINGS
for 70V/100V operation.
For transformer bypass,
remove jumpers from
transformer settings and
+
use 4-8Ω input.
SAT 2
SATELLITE
CONNECTIONS
MONO
70V/100V
INPUT
SAT 1
STEREO
CH 2
MONO STEREO
USE JUMPERS CH 1
FreeSpace 3 ®
Acoustimass Module
P R O F E S S I O N A L S Y S T E M S
FreeSpace
Business Music System
Jumpers in
the factory-
installed
configuration
___
for 200W use.
Connecting a stereo source with the
transformer bypassed:
SAT 4
SAT 3
SAT 2
SAT 1
4-8Ω
INPUT
® 3
® bass module in three common
Note: Jumpers required
TRANSFORMER SETTINGS
for 70V/100V operation.
For transformer bypass,
remove jumpers from
transformer settings and
+
use 4-8Ω input.
SAT 2
SATELLITE
CONNECTIONS
MONO
70V/100V
INPUT
SAT 1
STEREO
CH 2
MONO STEREO
USE JUMPERS CH 1
FreeSpace 3 ®
Acoustimass Module
SAT 4
SAT 3
SAT 2
SAT 1
4-8Ω
INPUT
1
2
OF
p r o . b o s e . c o m