The Erlk is at another level vs the OG Fourte. I suspect the same with the Noirs, but I do not have one for a direct comparison. This does not mean I think ill of the OG Fourte. The Erlk is just that much better. The Fourte cannot match the “ tightness” of the bass, quality of midrange and treble, or overall timbre.The fourte og or noirs? As in my book the noir are more exiting and dynamic then og.
I find the Fourte very useful to tell the difference between cables. Any differences seem to show up clearly on it. I have not cable swapped on the Erlk, so I cannot answer for that one. The connection on the Fourte also seems to stay tight even though I have changed its cable the most. With the Azlasedna light short tips, the bass is very powerful.
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