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Before operation
Dynaudio SUB 250 7
Connecting the subwoofer
Subwoofer inputs
The Dynaudio SUB 250 provides two different signal inputs:
SUB I/O - LFE/Slave In
This input allows the LFE (Low Frequency Effect) channel to be connected, which is
used in Home Cinema systems to reproduce low frequency effects.
The signal is:
• reproduced by the subwoofer
• routed to the SUB I/O - LFE/To Slave output for a second subwoofer to be
connected.
The SUB Lowpass control has no impact on this input.
SAT/SUB Input
This input allows the connection of the full bandwidth signal from the processor/
receiver (preamplifier out).
The signal is:
• reproduced by the subwoofer,
• routed to the SAT Output terminals. Low frequencies are cut-off according to the
SAT Highpass setting,
• routed to the SUB I/O - LFE/To Slave output for a second subwoofer to be
connected. High frequencies are cut-off according to the SUB Lowpass setting.
See figure left for correlations between input, output and settings.
CAUTION
DAMAGE OF DEVICE DUE TO IMPROPER CONNECTION!
X Set the mains power switch to OFF before connecting the SUB 250.
X Only switch the subwoofer on (mains power switch to ON) after all connections
and set up steps have been properly completed.
Note:
• The Dynaudio SUB 250 can be controlled by any source provided with a LFE or
preamplifier output. In the operating manual the expression “processor/receiver”
will be used for all these sources.
Note:
• All SUB 250 inputs and outputs are low level terminals. Thus, neither a power
amplifier output must be connected to the subwoofer nor loudspeakers can be
driven by the subwoofer directly!
+
+
LFE
Slave
SAT/SUB Input
SAT OutputSUB I/O
LFE/Slave In
Subwoofer
+
SUB
Lowpass
SAT
Highpass
GAIN
PHASE
MODE
SUB I/O
To Slave