Connections - SPL DynaMaxx 9735 User Manual

Connections

6
D M is fitted with both XLR-connectors and TRS stereo
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jacks for balanced operation, though the jacks may be used with
unbalanced connections simply by plugging in mono jack-plugs.
The level difference that normally occurs when a balanced input
or output is used unbalanced is automatically compensated for.
Should the need arise to use the XLR connectors in an unba-
lanced system, pin 3 of the XLRs should be grounded. Inserting a
mono jack also unbalances the XLRs.
Both output stages operate in parallel, so it is possible to
connect two different destination units simultaneously, for
example to record to two different media at the same time or split
the output between a mixer and effects processor. However, only
one type of input (jack or XLR) should be connected at a time –
the D M is not intended to be used as a mixer!
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To ensure optimal signal quality, SPL has developed a new
hybrid-component balanced input/output stage using all laser-
trimmed resistors with a tolerance of 0.01%. This approach has
resulted in an exceptionally high CCMR (common mode rejection:
-80 dB at 1kHz). As a precaution, before connecting the D
switch off the power to the unit and to all connected units.
SIDE CHAIN
Each D M channel is equipped with a TRS jack sidechain
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insert point so that an equalizer may be inserted to provide
frequency dependant processing. Connection requires only a
conventional insert Y-lead, where the TRS ring connection
provides the insert send signal and the tip the return. The front
panel LED lights when the side chain signal is of adequate level.
For example: Frequency dependent filtering
Connect the TRS jack to the Side Chain connector of the
D M . The ring of the TRS jack carries the original signal into
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the D M to the input of the equalizer.The equaliser´s output
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is returned to the D M
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the front illuminates when a sidechain signal is present.
Other rear panel connections and switches:
• Voltage selector: 220-240V/50Hz or 100-120V/60Hz
• VDE/CSA/UL approved 3-pole power plug
• GND-Lift switch
on the tip of the jack plug. A LED on
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M
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