Nexo NXAMP4x1mk2, User Manual

Page: 12 / 70

INTRODUCTION
PAGE 12 / 70 NXAMPMK2 USER MANUAL
The NXAMPmk2 setup is straightforward. Once all the wiring has been done and mains is present, the
surround backlight of the encoder is glowing slowly. Long press this encoder till the system boots up. The
first screen will show the NEXO logo and the revision of the firmware starting with “LOAD”.
The rotary encoder is also used to navigate in the menu or to validate a value when you press it.
BACK PANEL DESCRIPTION
A: POWER OUTPUTS
The NXAMPmk2 uses four NL4 outputs to connect the speakers. The pin out is the following:
•
Amplifier CH1 (or CH2*) outputs on NL4 A 1+/1- and NL4 B 2+/2-
•
Amplifier CH2 (or CH1*) outputs on NL4 B 1+/1- and NL4 A 2+/2-
•
Amplifier CH3 (or CH4*) outputs on NL4 C 1+/1- and NL4 D 2+/2-
•
Amplifier CH4 (or CH3*) outputs on NL4 D 1+/1- and NL4 C 2+/2-
(*) The NXAMPmk2 optimizes the output pinout depending on the setup used. Please check front panel
indication to know where to connect your NEXO speaker.
NXAMPmk2 outputs can be bridged two by two. Note that there is no dedicated output to use the amplifiers
in bridge mode, bridge being always available with the following pinout:
•
Amplifier CH1&2 (bridge) outputs on NL4 A 1+/1- and NL4 B 2+/2-
•
Amplifier CH2&3 (bridge) outputs on NL4 C 1+/1- and NL4 D 2+/2-
D
G F E
D
C B A