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4.2 BI-AMPING Operation
s Use the selector on the rear to set the unit to BI-AMPING mode.
s Assign the subwoofer signal to PINS 1-/1+ and the tweeter signal to PINS 2-/2+.
4.3 Subwoofer
s Assign the subwoofer signal to PINS 2-/2+.
s Signal loop through: PINS 1-/1+ are arranged in parallel, so you can loop through a full range and/or
high-pass signal to another full range speaker box. Connect the free connector on the subwoofer to
PINS 1-/1+ on the full range speaker.
5. WHAT ELSE SHOULD BE CONSIDERED?
5.1 Length and cross-section of speaker cables
Speaker cables with too low a cross-section can considerably reduce the performance of your power amps.
The longer the cables, the greater the problem. As a consequence, the user tends to turn up the power amp,
which in turn can lead to speaker damage. You should never use cables longer than 30 m. For most applications
this will not be necessary anyway. The cable cross-section should be at least 1.5 to 2.5 mm².
5.2 Power amp performance
Choosing the right power amp can be difficult. Try the following rule of thumb: the amp should provide twice as
much power as the speakers can handle. A speaker with a continuous power rating of 200 watts can easily be
driven by power amps delivering 400 watts of output power.
5.3 Fuses
We do not recommend the use of fuses for audio applications. Speaker damage can be caused by high signal
peaks or high output power. However, fuses can only protect the speaker against one of these, but never
against both. Additionally, fuses can have nonlinear resistances which can lead to distortion and unexpected
overdriving of the speakers.
5.3.1 How to protect your system
s Make sure that your audio signal is always set to correct levels. Avoid overdriving your power amps.
s Respect the physical limits of your P.A. system.
s Use a limiter to limit the output level. Insert the limiter between the mixing console output and your
power amp. Please consider our proven compressors BEHRINGER AUTOCOM PRO MDX1400,
COMPOSER PRO MDX2200 and MULTICOM PRO MDX4400. All models can also be used as limiters.
By eliminating overdriving of your audio signals you can effectively suppress disturbing signal peaks.
+ Our crossover network BEHRINGER SUPER-X PRO CX3400 can well be used to protect your
system, as it features independent limiters on each individual output.
5.WHAT ELSE SHOULD BE CONSIDERED?