FLEX Vienna enhances your concerts with the Alcons Audio pro-ribbon system

This emblematic club in the Austrian capital has once again renewed its audio system with pro-ribbon technology from Alcons Audio to enhance live concerts.

Located in a closed subway tunnel, the club FLEX is a benchmark in Vienna's nightlife since it opened its doors in 1990 to offer live concerts by new and international artists of various styles, that have made him one of the most famous in Europe.

The installed sound system has evolved with the club, with various designs and installations that he has always made Pro Performance, distributor of Alcons Audio in Austria, with modular column speakers, horn subwoofer and amplified speaker drivers from this audio manufacturer.

In this evolution, The establishment has carried out a complete update of all its sound equipment, and the eight QR36 speakers de Alcons that had continued operating for more than fifteen years have now moved to the large outdoor area of ​​the club, controlled by the ALC system of this brand to continue offering sound.

The main plant has now been equipped with systems Alcons pro-ribbon QR y QM. Main floor sound reinforcement functions are distributed among eight modular ribbon line source loudspeakers QR24 full range (four QR 24/80 and four QR 24/110), with two LMF Alcons QM24 linear source modular extensions, that form two arrays, left and right, of 3,3 meters high each.

Four cardioid bass systems have been placed on stage BC543 (18” triples), two stacked on both sides, con Broadband FRPA from another manufacturer. The horn subwoofer, of special construction, It is a concrete bass system with four 15” chassis on each side, providing a deep bass feeling.

Los subwoofers cardioides BC543 keep the bass off the stage (backward) and they work together with the horn (forward) to produce the powerful bass feel that Club FLEX has always been known for.

Alcons QR24 is a two-way modular column loudspeaker for use as a vertical array system, with 4x 6.5” LF neodymium and two 12” pro-ribbon driver HF, combining perfectly natural and dynamic sound reproduction with excellent intelligibility and range, even in the most acoustically difficult environments.

The QM24 ‘array fill’ module is a limited bandwidth modular column loudspeaker that provides expanded frequency control, as well as a greater LMF scope as an extension of the arrays QR.

“The client needed an extremely flexible solution, as FLEX Vienna hosts both live events and concerts as well as club nights. The main floor has a great geometry and offers magnificent sound in combination with the speaker subwoofer system. The great length of the room is perfect for the Alcons QR24 system”, explains Wolfgang Sauter, by Pro Performance.

On the main floor, Updated QR24 and QM24 now offer significantly more clearance, as well as better processing. Besides, Line source speakers integrate well into room design and blend seamlessly with horn subwoofer system, which has also been updated with new high-performance speakers.

Improved sound in FLEX Café

Sound requirements in the popular FLEX Café They have been completely different. Previously, the room had sound emission problems. For this reason, the Pro Performance team opted for a configuration end-fire for the subwoofers to increase bass cancellation at the rear.

At the same time, Bass traps have also been installed in this area (a 20, 25 y 35 Hz) to guarantee the desired volume in the cafeteria.

All of this has in turn required additional power in the form of a system line array Alcons LR18 double 8” pro-ribbon. In addition to bass systems, Three LR18/90 have also been installed to the left and right of the stage; of the ALC4 and an amplified speaker driver Sentinel 10 from this manufacturer.

“FLEX Cafe has a low ceiling. We chose the LR18 because they provide exceptional sound that is evenly distributed across the horizontal plane - points out Wolfgang -. Pairs well with bass systems to deliver clear, punchy sound. We use seven bass traps in the cafeteria, which significantly improves bass absorption and allows you to increase the volume of the music even more”.

To Andi Bogner, FLEX sound engineer, “The update of the system has convinced both me and the numerous technicians of the international bands one hundred percent, and also receives a lot of praise from the public after the concerts. We were the first club in the world to use Alcons speakers, What is the sound of Vienna?.