Frédéric Alstadt

French mastering and cutting engineer (°Toulouse, 1973). Since 2006 he operates Ångström Mastering (and since 2020 its subsidiary Mont Analogue) in Brussels (Belgium). He also owns the label Ångström Records. He signs his work in the runouts by etching his initials "FΔ" or "FA" or (in his own words) "some kind of arrow pointing down left (⏃ or ⏃).