Jakob gave a partial answer, but to help get the focus right :roll: fuller answers to these burning questions would be interesting:
..What do Calrec use in their EQs today? Tant or electrolytic?
..If tant, why?
..If electrolytic, why?
(Please, no-one answer "algorithm" to the question of what do Calrec use in their EQs today!! :razz: )