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Before operation
Dynaudio Acoustics BM9S 7
Connecting a single subwoofer
➊ Connecting as LFE channel
X Connect subwoofer to LFE/Slave input.
➋ Connecting as subwoofer for satellites
X Connect full bandwidth signal to SAT/SUB input. Sub reproduces sum of right and
left signal.
X Set the Mode switch to LFE.
Multiple subwoofer connections
The BM9S can be used stand-alone or together with multiple subwoofer units. Using
multiple units may be helpful if the listening room is quite large or has difficult
acoustic conditions.
When using two or more subwoofers, the first one (designated “Master”) controls the
following subs (designated “Slave“) via a subwoofer cable.
Connecting multiple subwoofers
1. Connect the first subwoofer as described before.
2. Set Mode switch of first subwoofer to LFE.
3. From the Slave OUT of the first subwoofer connect a XLR cable to the LFE/Slave
IN of the following subwoofer. This one now becomes the slave.
4. Set the Mode switch of the second subwoofer to Slave.
X Further subwoofers can be connected in the same way. Set the Mode switch of all
following subwoofers to Slave respectively.
Note:
•
You can also use both connection types. The signals will be combined in the BM9S
and routed accordingly. This allows the BM9S to reproduce both the LFE channel
information as well as the bass range of the connected satellite system.
•
Use
Slave
mode if you want to use an external bass management system.
Note:
• When using multiple subwoofers in a Master-Slave setup, it is recommended that
the subwoofers are all the same model.
• If you wish to use multiple subwoofers with full individual control, set the Input
switch for all to the “Master” position. From the source subwoofer output,
use a Y-connector.
➊
➋
LFE
Stereo
Sub 1
(Master)
Sub 2
(Slave)
Sub...
(Slave)
LFE
Stereo