I don't think FR's tells the whole story about how an IEM sounds, but I would venture a guess that the Luna is tuned for resolution/details with that upper mids emphasis (Possibly great for Jazz and Instrumentals). Stage, imaging, driver recovery, speed, resolution etc cannot be picked up by a simple FR, and i would think the Beryllium DD sounds quite different than the Planar Driver.I’ve got both and Luna and CL2 don’t sound the same at all so FR doesn’t tell the whole story.
That tuning, is nonetheless almost identical on a graph, makes me want to try the Luna more than anything else
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