somebodyelse
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I couldn't think of any either. The other requirement was dual rail supply, and the IRAUDAMP ones I mentioned were the only ones I remembered having that - but they miss on the post filter feedback as mentioned. Thinking again it seems some IcePower models might fit the bill. This post shows both 1200as2 and 300a2 being more or less load independent in frequency response, suggesting post-filter feedback. It looks like the 1200as1 and 2 are dual rail, but the lower power models are single rail. I'm not sure about Pascal - they have some load dependency, but I think less than the TI, so not sure whether they're using less feedback or just a different filter tuning.But I don't know of any corresponding available modules.
In this regard, it would be great if you could name a few modules with the properties desired by @pjug .