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user manual
NuQ series
NuQ manual
page 16
Loudspeaker connections
Passive systems
NuQ series passive loudspeakers are equipped with a recessed connector panel housing
two Neutrik Speakon NL4MP connectors wired in parallel and serving as both input and
loop out connections to additional NuQ series loudspeakers. The pin connections for the
NuQ-8 and NuQ-10—and the NuQ-12 and NuQ-15 when used in passive mode—adhere to
the standard professional audio loudspeaker wiring convention, which is pin 1+ positive
and pin1- negative as shown below. Pins 2+ and 2- are not connected.
(Pins 2+ and 2- not connected)
Passive Speakon
connections
Negative (-ve)
Positive
(
+ve
)
1-
1+
2+
2-
Bi-amped systems
Pin connections for the NuQ-12 and NuQ-15 when used in bi-amped mode are as shown
below. Pin 1+ is LF positive, pin1- is LF negative, pin 2+ is HF positive, pin 2- is HF
negative. Move the rear panel switch from ‘passive’ to ‘active’ for bi-amp operation
before attempting to operate the loudspeaker.
Bi-amped Speakon
connections
LF Negative (-ve)
LF Positive
(
+ve
)
HF Negative (-ve)
HF Positive (+ve)
1-
1+
2+
2-
Note that looping out to additional enclosures has the effect of reducing the load
impedance on the amplifier. For example, two 8 ohm cabinets in parallel give a combined