DPU DIGITAL PATCHING UNIT FOR NXAMP
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NXAMPMK2 USER MANUAL
UNUSED FRONT PANEL CONNECTORS
The DPU will always try to use the maximum of outputs available to fit all the need of the user without
external adaptor or difficult cabling. Thus, sometimes the same channel is routed on several outputs.
Even if the DPU will never output a speaker signal on a wrong pinout, check the display information to be
sure to load the wanted amplifier channel.
In the bellow example, a setup using PS10R2/LS600/PS8/LS400 is selected.
Note that each amplifier channel is duplicated on several output, allowing to have the same cable to feed
PS (on 2+/2-) and LS (on 1+/1-) or use separate cable.
NB: In the example above, if you want to have PS10R2 and LS400 on the same cable, then a setup with
PS10R2/LS400/PS8/LS600 should be recalled.
LINKING SEVERAL DPU TOGETHER
With some
speaker’s setup it could be useful to link several DPUs together. For example, with active setups,
using NXAMP4x1mk2 for HF and NXAMP4x2mk2 for LF, or with GeoT setups, requiring more than one
NXAMPmk2 to feed all channels, or with STM to feed a four way system using bridge amplifiers.
Each time a DPU has nothing displayed on a line of one of its displays it means that the corresponding pins
on the associated speakON connectors are floating. Thus, it can be feed with other DPU output.
The following example will show how to connect two DPUs together to feed a speakON 8 connector to a
complete STM system (S118 + B112 + M46).
•
First NXAMP4x4mk2
will run STM M46 + B112 in stacked mode, feeding Main boxes M46 in active on
two channels, and the STM bass box B112 on two other bridged channels. The DPU outputs will then
be:
Note that the 1+/1- pins of the first SPK4 are not connected to anything and that the corresponding display
line is empty.
•
Second NXAMP4x4mk2 will run S118 in Omni mode on two other bridged channels.
Note that this time the 2+/2- pins on the first SPK4 are not used.
We will now use a SPK4 link cable to plug to link the first SPK4 output of the second DPU in the first SPK4
output of the first DPU. Thus, the S118 signal will be also available on the SPK8, together with B112 and
M46 allowing the user to have only one speakON 8 cable to feed up to 3 x S118, 3 x B112 and 3 x M46.
Summary of Contents for NXAMP4x1mk2
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