中文
EN
D
WIRING AND PO
WERING
11
10
INPUT PANEL
INPUT
. Audio signal input through Neutrik®
speakON® NL4 connector.
Pins 1± are connected to the passive crossover
and 2± pins to the pass thru connector.
PIN 2± PASS/THRU
. Audio signal output
through speakON® NL4 connector to pass the
signal present in the 2± pins of the INPUT.
This signal outputs through the 1± pins.
The NL4 topology of these two
connections allows to handle two
signals, which in some applications
can contain the same information.
The signal in pins ±1 is applied to
the loudspeaker and signal in pins
±2 can be passed through to
another loudspeaker or for example,
a subwoofer.
Figure 2. CV 212
input panel.
WIRING
AND
POWERING
Audio signals are entered and/or passed through a Neutrik® speakON® NL4 connector. These wires should
be connected as shown below:
speakON NL4
speakON 1
speakON 2
Connection
Wiring Scheme
2
1
1+
1+
2+
2+
1-
1-
2-
2-
Figure 3.
SpeakON® NL4 plug-in and link cable connection.
It is recommended to use cables with at least 18 AWG conductor size. For long cable lengths, the maximum
conductor size is 14 AWG. Those wires must be assembled by a qualified technician.
To ensure the correct and safe behavior of the equipment, use a sufficiently powerful amplifier. As a
general rule, its rated power should be at least twice the rated power of the loudspeaker. Keep in mind that
daisy chain connections reduce the total impedance, which should respect the amplifier's capabilities.
In addition, when using passive loudspeakers as the
CV 212
, both mechanical and thermal protection
techniques should be implemented with an external processor and/or if capable, the amplifier itself.
SE AUDIOTECHNIK's® drivers are designed to reach lower stress in the suspension parts at greater
excursion. However, these protections will assure the proper behavior of the equipment, its care and
safety, and can maximize the performance of the whole system.
The mechanical protection of a loudspeaker controls the excursion of the cone, so its physical
limits are not exceeded. This can be done by filtering the signal below the safe range of the
loudspeaker.
Thermal protection controls the energy of the loudspeaker in the long term, keeping its
temperature under safe levels. This is achieved by limiting the RMS voltage applied, where
the maximum allowable value is its average power handling. This pro-tection depends also
on the time constants selected to trigger and release the limiter.
If equalization is needed, it is recommended to reduce levels in the undesired frequency
ranges, instead of boosting the desired ones. This guarantees maximum dynamic range.
