Audioscape ASA-6AThe AudioScape ASA 6A is a meticulously crafted mono tube variable mu compressor, designed to authentically recreate and enhance the legendary BA6A broadcast limiting amplifier from the early 1950s, featuring nine tubes, custom wound transformers, a variable compression ratio, an upgraded NFB switch for additional saturation, and fully adjustable attack and release controls to deliver a rich, warm, and harmonically dense sound ideal for vocals, bass,