Stadthaus Winterthur

Since the late 19th century former State House, Listed building designed by Gottfried Semper, hosts the Musikkollegium, the hall required some architectural adaptations for better acoustical conditions. Lumière 2011 Award + Lichtdesign 2012 Award.

Information Sheet

Renovation/Transformation Stadthaus Winterthur

Location Winterthur, Switzerland. Listed building.

Project Cost 1.5 million CHF (approx. 1 million € according to the opening year's conversion rate).

Time Frame Evaluation and recommendations: 2002. Implementation of first phase of acoustics improvements: 2003 and 2004. Second phase: 2009.

Owner Stadt Winterthur, and Musikkollegium (City Orchestra).

Architect(s) Johann Frei, Johann Frei Architekturbüro, Winterthur

Lighting Vogt & Partner, Winterthur

Seat Count A 900-seat chamber orchestra hall. Total area 700 m².

Uses Concert hall for the Musikkollegium Winterthur, symphony orchestra concerts as well as chamber music and recitals.

Services First phase: Evaluation of existing condition, proposal for and implementation of acoustical improvements for on-stage acoustics with absorbing and reflecting panels integrated around the stage, post-opening services.

Second phase: Ellipsoidal lightings have been specifically designed in close collaboration with the artist and the architect, as they function as well as acoustical reflectors above the conductor and the first seat-rows of the hall.

Team Eckhard Kahle, Kahle Acoustics.

1/7Stadthaus Winterthur Konzertsaal2009. The Stadthaus stage after the second renovation phase. Photo © Johann Frei Architekturbüro
2/7Stadthaus Winterthur Konzertsaal2003. The Stadthaus stage after the first renovation phase. Photo © Johann Frei Architekturbüro
3/7Stadthaus Winterthur Konzertsaal2003. The Stadthaus stage after the first renovation phase. Photo © Kahle Acoustics
4/7Stadthaus Winterthur Konzertsaal2003. View of the stage. Photo © Kahle Acoustics
5/7Stadthaus Winterthur KonzertsaalAdaptable acoustic panel system. Photo © Kahle Acoustics
6/7Stadthaus Winterthur KonzertsaalDetail of acoustic panels. Photo © Kahle Acoustics
7/7Stadthaus Winterthur KonzertsaalStadthaus Winterthur. Photo © Martin