Idiotbox Effects Dark Tides ChorusMaker: Idiotbox Effects Model: Dark Tides Chorus Condition: New Description: This was one from my Mystery Effect series but I just dig it WAY too much to let it be a super limited thing! The Dark Tides isn't a typical chorus. A normal chorus is a mix of the direct signal with a modulated version of that signal. The Dark Tides when engaged has no direct signal but is two modulated versions of the origninal signal: One non inverted, the other inverted.