Drawmer MX PRO MX60 Instrukcja obsługi - Strona 6
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Drukuj stronęInput and Output connections are provided for use at +4dBu via balanced
XLRs for Mic. Line is either at +4dBu via a Balanced jack or at 10dBu via
unbalanced jacks. It is permissible to use both +4dBu and 10dBu outputs
simultaneously. If unbalanced operation at +4dBu is required, simply connect
the unused terminal to Ground inside the balanced jack socket. This applies to
both inputs and outputs. The wiring convention for XLR being: pin 1 Ground,
pin 2 Hot and pin 3 Cold. For use with unbalanced systems, the Cold pin 3
must be grounded at both input and output XLRs. For jack operation refer to
diagram.
Interference:
Ground Loops:
Level Conversion:
AUDIO CONNECTIONS
If the unit is to be used where it maybe exposed to high
levels of disturbance such as found close to a TV or radio
transmitter, we suggest that the unit be operated using the
XLR connectors. The screens of the signal cables should
be connected to the chassis connection on the XLR
connector as opposed to connecting to pin1. The MX60
fully conforms to the EMC standards.
If ground loop problems are encountered, never disconnect
the mains earth, but instead, try disconnecting the signal
screen on one end of each of the cables connecting the
outputs of the MX60 to the patchbay. If such measures are
necessary, balanced operation is recommended.
It is possible to apply signals to both the +4dBu and
10dBu Line inputs simultaneously. Also both the 10dB
and +4dB output sockets can be used simultaneously. This
allows level conversion to occur.
One useful example of this connection option would be if
the unit was used to process a keyboard - commonly these
have an output level of 10dB, and are terminated with jack
sockets. It is feasible using the MX60s dual output
capability to use the 10dB jack input to feed from the
keyboard and the 10dB output onwards to the amplifier,
and the +4dB balanced XLR connector for a direct feed to
the mixing console. This removes the need for any DI box
or cable splitter. In this example, ground loop
considerations may be required.
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