3-5
DS50 USER MANUAL
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3.3 Loudspeaker Connections
Due to the DDC feature, the DS50 has 4 output terminals per channel instead of 2. The speakon
connector is wired as follows:
1+
Pin 1+ =
“hot” or
Pin 1- =
“cold” or Signal-
Pin 2+ =
“DDC hot” or DDC+
Pin 2- =
“DDC cold” or DDC-
1- 2-
NEUTRIK
2+
For optimum performance, the amplifier to loudspeaker connections should be made as shown
in figure 3-2.
The and DDC+ (Dynamic Damping Control) terminals are linked together at the
SPEAKON NL4FC
2+
2-
1-
1+
Figure 3-2
DS50 4-terminal loudspeaker connection.
louds terminal. The signal- and DDC- terminals are linked at the loudspeaker - terminal.
A maximum damping is obtained with these connections. If your speaker system is not prepared
for a four terminal connection, link the DDC and the signal leads at the input of the enclosure
(see figure 3-3).
SPEAKON NL4FC
2+
2-
1-
1+
Figure 3-3
DS50 2-terminal loudspeaker connection
