Voice alarm system at the Marienplatz underground station in Munich


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Designed by the architect Alexander von Branca, Marienplatz Station is the most important and most used station in the whole network of the Munich subway. The busy routes of the U3 and the U6 cross the S-Bahn main line. The station opens up to the most important part of the old town and the pedestrian area with its shops and numerous tourist attractions such as the Frauenkirche, New Town Hall (directly above the underground station), or Viktualienmarkt.

On October 26, 2015, the modernized mezzanine at Marienplatz underground station was opened after more than 3 years of construction. The opening was attended by Mayor Dieter Reiter and Herbert König, head of the Munich public transport company. Since then, the underground has had a new look in the heart of the city.

The Munich-based company Elektro Zausinger was tasked with the installation of voice alarm systems (VAS) and is putting its well-engineered and professional products from the traditional ESSER brand to use. These include, among others, the VARIODYN components from the voice alarm systems portfolio. The preliminary planning work was carried out in cooperation with the Silberbauer planning office in Traunstein, which is currently also planning the VAS in the Sendlinger Tor underground station in Munich.
The VAS at Marienplatz was realized by means of two redundant systems, which feature a total of 12 audio inputs, with which a separate music installation is possible and which can be used in this way for an optimal public address system. Six 4/24 DOMs (Digital Output Module), ten amplifiers with 2 x 500 watts, six UIMs, two SCUs, two UPS-PSU-4s, and twelve 150 Ah batteries round out the portfolio of installed technology components. A connection to the PA system for the platforms and to the control center via fiber optics (FO) was also implemented as part of the project.
As early as 2011, a professional sound system with VARIODYN components was put into operation at the München Hauptbahnhof [Munich Main Train Station] and thus heralded the arrival of the “hi-fi era” at the local station.


Voice alarm system at the Marienplatz underground station in Munich
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