The review says otherwise on "colouration" .
They are likely ok, perhaps the cone breakup makes you fix that sensitive midrange area to not upset it, not sure if the port and box resonances help anything
"However, referring back to my FuzzMeasure analysis, it perhaps won’t come as a surprise to read that, along with the positives, I felt that the Gauss 7 is not without some subjective flaws. In particular, it displays to my ears a noticeable nasal and boxy character that colours voices and acoustic instruments. Feed it with less organic mix elements, synths and processed loops, say, and you may well not notice, but listen to naturally recorded voices, woodwind or acoustic guitars, for example, and the Gauss 7 imprints a degree of its own tonal personality on theirs. I suspect there’s three phenomena responsible: firstly the FuzzMeasure analysis suggests that the bass/mid driver diaphragm is somewhat uncontrolled towards the top of its band, and that could well result in a noticeable upper‑midrange signature. Secondly, the Gauss 7’s cabinet panels clearly play along with the music and, again, this is very likely to be audible (when the BBC LS3/5A was developed, even the variety of wood used for internal cabinet corner battens was found to be significant). And thirdly, that port organ pipe resonance is likely to play a part in the overall sound."
