Presentation of the hd MPP3 system: The first speaker system with integrated loudspeaker processor and analog amplifier unit.

First PA speaker with self-developed FRP (fiberglass reinforced plastic) horns for targeted sound radiation and increased efficiency.

The company building in Rutesheim burns down completely. Then relocation of the company headquarters to Vaihingen/Enz-Riet.

Change of name to: Harmonic Design GmbH & Co. KG

Flight cases are added to the product range. In a short time, the so-called hd SilverCases conquer the market.

Foundation of Harmonic Design GmbH in 1980 in Rutesheim, Germany

Introduction of the Hardy Amps as professional bass and guitar amplifiers.