SETTING-UP ADVICE
Setting-Up Advice
Earth connection
WARNING ! THIS APPLIANCE MUST BE EARTHED.
The green and yellow wire of the mains cord must always be connected to an installation
safety earth or ground. The earth is essential for personal safety as well as the correct
installation of the system, and is internally connected to all exposed metal surfaces. Any
rack framework into which this unit may be mounted is assumed to be connected to the
same grounding circuit.
Mains setting
NEXO NXAMP4x1 Powered TDcontrollers exists under two references:
NXAMP Reference Mains Voltage Mains current
NXAMP4x1U 100 to 120 Volts Max 20 Amps
NXAMP4x1C 220 to 240 Volts Max 10 Amps
Each model applies to various safety standards only when use with the correct mains
voltage. Therefore, the amplifier won’t start (or will stop working) if the mains voltage is
getting out of the following min and max limits:
NXAMP Reference Mains Minimum Voltage Mains Maximum Voltage
NXAMP4x1U 60 Volts 150 Volts
NXAMP4x1C 150 Volts 288 Volts
N.B.: The maximum amplifier output voltage is proportional to the mains voltage.
Mounting the NXAMP4x1 in a rack (Grounding, shielding & safety issues)
The NXAMP4x1 Powered TDcontroller is intended for rack mounting. The only accessible
part during use shall be the front panel of the unit. Any space above or under the
TDcontroller shall be obstructed with a blank panel.
The rack is a free grounding and shielding structure and it provides extra shielding.
Therefore, it is desirable that the screws used to fix the NXAMP4x1 Powered TDcontroller in
the frame or rack provide an electrical contact between the chassis of the TDcontroller and
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