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Zentrum Altenberg

Essen , Germany
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Zentrum Altenberg

Zentrum Altenberg is a multi-purpose venue in Germany with a capacity of up to 500 people, hosting a wide range of events including concerts, club nights, smaller festivals, and tribute shows. To meet the diverse acoustic requirements of these formats, the venue required a flexible and high-performance sound reinforcement system.

The installed system is based on a full HK Audio COSMO line array as the main PA, supplemented by CX 8 front fill loudspeakers. This configuration provides consistent coverage and high speech and music intelligibility across the entire audience area, while maintaining the necessary flexibility for different event types and setups.

The upgrade ensures a powerful and adaptable sound system that supports the venue’s varied programme, delivering reliable performance for both live music and entertainment events.

Main PA:
10 × COSMO 8

Subwoofers:
6 × CS 118

Amplification:
1 × LAB Gruppen PLM+ 12K44
1 × LAB Gruppen 8K44

Front Fills:
1 x CONTOUR X CX 8

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Thanks to minimal distortion and a high sound pressure level, the COSMO delivers impressive results, even beyond its versatile field of application. When paired with subwoofers from the C SUB series, it really shows its strengths for rock and pop gigs. It requires no adapters and leaves no gaps when combined with C 6 and C 10 units, making the C 8 ideal as the center section of a mixed line array. All in all, considerably fewer components are needed than before to cover the full spectrum of what users need and expect from an FoH system. This extends the operating periods of each component compared to other system families. The uniform dimensions of the COSMO family simplify both storage and disposition, which has a positive impact on the warehousing in total. The line array is easy to handle, resulting in enormous time savings, as well as reduced training requirements. An existing system can be expanded precisely as needed, all of which means an effective investment protection is ensured. The expansion in small steps creates a much lower initial investment requirement.

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Compared to subwoofers in its performance class, there are considerably fewer components covering the full spectrum of what users need and expect from an FOH system. This extends the operating periods of each component compared to other system families. For the CF 118 we provide ready-to-use filter sets for Lab.Gruppen PLM+ or Powersoft X power amplifiers. Optimised filter settings make it possible to quickly set up Cardioid or Endfire arrangements, among others. The uniform dimensions of the COSMO family simplify both storage and disposition, which has a positive impact on the warehousing in total. The simple handling results in enormous time savings, as well as reduced training requirements. An existing system can be expanded precisely as needed, all of which means an even more effective investment protection than usual is ensured. The expansion in small steps creates a much lower investment requirement.

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Top-quality components and the sophisticated crossover guarantee precise signal resolution and high maximum sound pressure levels. A high-frequency horn newly developed using BEM simulation ensures even directivity up to the very highest frequencies. Whether as an unobtrusive high-performance stage monitor, an elegant front-fill on the edge of the stage or a compact club PA system together with a CS 118 or CS 218 subwoofer, the CX 8 always ensures first-class results.

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