Great classic sound!
I really love it on the mix bus especially.
I had always been intrigued by this module but I had never heard it outside of drums.
We tried it on bass, piano, vocals and the mix bus and the ease of use was disconcerting each time.
Here is our review which traces the history of the original 709L module of the Electrodyne ACC-1204 vintage console, which inspired the 511:
https://midi-audio-expert.com/2024/0...plugin-review/
And here is the analysis of the curves:
https://midi-audio-expert.com/mixwav...urve-analysis/