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5 SUPER-X PRO CX3400 User Manual
1. Introduction
This manual rst describes the terminology used, so that you can fully
understand the CX3400 and its functions. Please read the manual carefully
and keep it for future reference.
1.1 Multi-way speaker systems
Multi-way speaker systems can be found almost everywhere today – not only in
stereo systems, cinemas, discotheques and concert halls. As “customers” become
more and more demanding, even such “simple” products as TV sets have them
installed. Why?
With the same sound pressure level, low-frequency sound waves have a much
greater amplitude than high-frequency signals. When a single loudspeaker is to
produce both bass and treble frequencies, so-called intermodulation distortion
will occur.
Don’t worry about unfamiliar terminology! Everybody knows the eect
that the sound of a re engine’s siren seems to become lower in frequency,
once it has passed you. So, the perceived frequency is aected by the motion
of the sound source or the listener. This phenomenon is called Doppler eect
(thanks to Mr. Doppler who discovered it) and can also be found in loudspeakers:
as the speaker diaphragm is displaced by low frequencies, the treble frequencies
seem to be raised in loudness, or lowered when the diaphragm reverses
its direction. Quite similar in sound to a vibrato, it is precisely this eect
that we call intermodulation distortion.
As a consequence, we cannot expect a single loudspeaker to reproduce signals
with the same quality over the entire audio spectrum. Therefore, 2, 3 or 4-way
systems have become the standard today. Speakers that need to reproduce only
a limited range of the audio spectrum can accomplish this task with much
greater accuracy, i.e. they produce a more regular frequency response and
dispersion pattern.
To operate a speaker system that consists of several loudspeakers for the various
frequency ranges, you have to provide a variety of input signals for the single
speakers. For this purpose, crossover networks split up the input signal into
several frequency bands. You can use passive crossovers wired between amplier
and speaker, or active systems placed before the amplier in the signal chain.
Passive crossovers are usually employed in hi- speaker boxes.
1.2 SUPER-X PRO: the high-end
frequency crossover
The BEHRINGER SUPER-X PRO CX3400 is a high-quality active crossover network
that can be used for 2, 3 or even 4-way sound reinforcement systems.
Whether you need to set up a system for small clubs or large halls, improve an
on-stage monitoring system or enhance your studio monitors with an additional
subwoofer: your SUPER-X PRO is the ideal choice for all of these applications.
2. The Design Concept
The philosophy behind BEHRINGER products guarantees a no-compromise circuit
design and employs the best choice of components. The operational ampliers
NJM4580 which are used in the SUPER-X PRO, are exceptional. They boast
extreme linearity and very low distortion characteristics. To complement this
design the choice of components includes low-tolerance resistors and capacitors,
high-quality potentiometers and several other stringently selected elements.
The CX3400 uses SMD technology (Surface Mounted Device). These subminiature
components adapted from aerospace technology allow for an extreme packing
density to further improve the overall reliability. Additionally, the unit is
manufactured in compliance with the ISO9000 certied management system.
2.1 Before you begin
Your BEHRINGER SUPER-X PRO CX3400 was carefully packed in the factory
and the packaging is designed to protect the unit from rough handling.
Nevertheless, we recommend that you carefully examine the packaging
and its contents for any signs of physical damage, which may have occurred
during transit.
◊ If the unit is damaged, please do not return it to BEHRINGER, but notify
your dealer and the shipping company immediately, otherwise claims
for damage or replacement may not be granted. Shipping claims must
be made by the consignee.
Be sure that there is enough space around the unit for cooling and please do
not place the CX3400 on high-temperature devices such as radiators etc.
to avoid overheating.
◊ Before you connect your SUPER-X PRO to the mains, please make sure
that your local voltage matches the voltage required by the unit!
The mains connection of the CX3400 is made by using the enclosed mains
cable and a standard IEC receptacle. It meets all of the international safety
certication requirements.
◊ Please make sure that all units have a proper ground connection.
For your own safety, never remove or disable the ground conductor
of the unit or of the AC power cable.
Further information can be found in chapter 2 “Installation”.
2.2 Online registration
Please register your new BEHRINGER equipment right after your purchase by
visiting http://behringer.com and read the terms and conditions of our
warranty carefully.
Should your BEHRINGER product malfunction, it is our intention to have
it repaired as quickly as possible. To arrange for warranty service,
please contact the BEHRINGER retailer from whom the equipment was
purchased. Should your BEHRINGER dealer not be located in your vicinity,
you may directly contact one of our subsidiaries. Corresponding contact
information is included in the original equipment packaging (Global Contact
Information/European Contact Information). Should your country not be listed,
please contact the distributor nearest you. A list of distributors can be found in
the support area of our website (http://behringer.com).
Registering your purchase and equipment with us helps us process your repair
claims more quickly and eciently.
Thank you for your cooperation!