Behringer CX3400 manual Design Concept

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+Always switch off the entire system before you press this button, as it produces heavy interference noise that could damage your speakers and/or other equipment.

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LOW SUM button. In stereo mode, the two Low paths can be summed with the LOW SUM button and routed to the Low output of channel 1, which is particularly useful in systems using additional sub- woofers.

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LOW (LF SUM) OUTPUT connector. Output for the Low band signal.

XOVER FREQ. button. This button serves to switch over the control range of the front-panel LOW/ MID XOVER FREQ. control from 45 to 960 Hz or 450 Hz to 9.6 kHz.

+Always switch off the entire system before you press this button, as it produces heavy interference noise that could damage your speakers and/or other equipment.

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INPUT connector. Input signal connector.

2.2.3 Mono 4-way operation

First, activate mono 4-way mode by means of the two MODE buttons on the rear panel. The MONO-LED on the front panel, above the first LOW CUT button, lights up.

Fig. 2.8: Proper selection of the two MODE switches for mono 4-way operation

Subsequently, the LEDs above the active controls on the front panel light up, signaling which controls are active in the operating mode you just selected. The functions of these controls can be seen from the first strip label.

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Fig. 2.9: Active control elements on the front panel of the SUPER-X PRO

INPUT control. This control adjusts the input gain from +12 to -12 dB.

LOW CUT button. This button activates the 25-Hz high-pass filter protecting the woofers against low- frequency signals.

LOW/LOW-MID XOVER FREQ. control. This control governs the crossover frequency between the Low and Low-Mid bands. When the XOVER FREQUENCY button on the rear of the unit is pressed, the frequency range is multiplied by the factor 10.

LOW-MID/HIGH-MID XOVER FREQ. control. This control governs the crossover frequency between the Low-Mid and High-Mid bands.

DELAY control. This control delays the Low signal by as much as 2 ms, which is useful to align the speaker systems in phase.

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2. THE DESIGN CONCEPT

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Contents PRO Behringer International GmbH Hanns-Martin-Schleyer-StraßeWillich Safety Instructions Detailed Safety InstructionsSUPER-XPRO Foreword Table of Contents Introduction Design ConceptMulti-way speaker systems SUPER-X PRO the high-end frequency crossoverBefore you begin Control elementsDesign Concept Active control elements on the rear panel of the SUPER-X PRO MID Output connector. Output for the Mid band signal Design Concept Design Concept Setting the input levels Setting the output levelsApplication ToolsSetting the crossover frequencies Runtime CorrectionApplication Limiters of the SUPER-X PRO Installation LOW SUM functionCD Horn function Rack mountingMains connection Audio connectionsSpecifications XLRSpecifications Warranty § 1 Warranty Card
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CX3400 specifications

The Behringer CX3400 is a versatile and highly regarded crossover that has become a staple in professional audio setups. This unit is designed to ensure optimal sound quality by efficiently distributing frequencies to appropriate loudspeakers, making it an essential component in sound reinforcement systems, PA setups, and live performances.

One of the standout features of the CX3400 is its three-way or four-way crossover topology, which allows the user to manage sound frequencies with precision. It’s equipped with independent adjustable output controls for each of its outputs, enabling users to tailor the audio experience to fit the specific requirements of any venue or application. The ability to adjust the crossover frequency range from 50 Hz to 6 kHz makes it suitable for various configurations, whether for subwoofers or high-frequency drivers.

Another significant aspect of the CX3400 is its built-in low-pass and high-pass filters. This functionality ensures that low frequencies are directed to subwoofers while high frequencies are sent to tweeters, thus maximizing the efficiency and clarity of each speaker in the system. The filters operate at a steep 24 dB per octave slope, which aids in maintaining the integrity of sound reproduction and minimizes overlap that can lead to distortion.

In terms of technology, the CX3400 features independent audio signal processing capabilities, allowing for more refined control over the audio output. The unit includes a high-quality 24-bit A/D converter and a 24-bit D/A converter, which significantly contribute to the overall audio fidelity and dynamic range. The CX3400 also features balanced XLR inputs and outputs, ensuring that the audio signal is transmitted with minimal interference and noise.

The build quality of the Behringer CX3400 is also noteworthy. It’s designed to withstand the rigors of live performance environments, with a durable chassis that ensures reliability. The user interface is straightforward, with clear, intuitive controls that make it easy to set the desired parameters quickly.

In summary, the Behringer CX3400 crossover is a powerful tool for audio professionals, offering precise frequency distribution, advanced filtering technologies, and solid construction. Its combination of versatility, performance, and user-friendly design makes it an excellent choice for those looking to enhance their sound systems, whether in live settings or recorded applications. The CX3400 continues to be a trusted device for audio engineers, ensuring that every musical element reaches its full potential.
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