Ed. Kruspe is a brass instrument

Brass instrument

A brass instrument is a musical instrument whose sound is produced by sympathetic vibration of air in a tubular resonator in sympathy with the vibration of the player's lips...

 manufacturer located near Eisenach

Eisenach

Eisenach is a city in Thuringia, Germany. It is situated between the northern foothills of the Thuringian Forest and the Hainich National Park. Its population in 2006 was 43,626.-History:...

, Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

. It was founded in 1834 by Karl Kruspe and his two sons Eduard and Friedrich (Fritz) in Erfurt

Erfurt

Erfurt is the capital city of Thuringia and the main city nearest to the geographical centre of Germany, located 100 km SW of Leipzig, 150 km N of Nuremberg and 180 km SE of Hannover. Erfurt Airport can be reached by plane via Munich. It lies in the southern part of the Thuringian...

, Germany. Ed.Kruspe is credited with building the first prototypes of the double horn

Horn (instrument)

The horn is a brass instrument consisting of about of tubing wrapped into a coil with a flared bell. A musician who plays the horn is called a horn player ....

 in 1897.

The double horn was conceived by Edmund Gumpert, third horn in Meiningen

Meiningen

Meiningen is a town in Germany - located in the southern part of the state of Thuringia and is the district seat of Schmalkalden-Meiningen. It is situated on the river Werra....

, and refined and patented around 1900 by Fritz Kruspe.