BA-1 Highend Speaker This is the BA-1, design and manufactured by Thilo Baum in cooperation with Joachim Kiesler. Joachim Kiesler ist the founder of the Geithain Musikelektronik GmbH. A worldwide known Speakermanufakturer based in a small town nearby Leipzig.Geithain Speakers are famous for their legendary Sound quality. It took more than 5 years of development to bring Thilo's visual concept and Joachim Kiesler's vision of Sound quality together. This was the first image shoot with the BA-1. There will be more to come and over all to hear!