Wow, that review almost hurt to read.A review of the ELAC Debut 3.0 'DF63' floor-standing loudspeaker with measurements was recently posted:
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ELAC Debut 3.0 DF63 Review « 7Review
The Kiel-based company ELAC also operates a development department in the USA. The latest result of the transatlantic cooperation is the Debut 3.0 DF637review.com
"For cabling, we stuck to a Viablue series, also appropriate in terms of price."
"We leveled the speakers with a spirit level and tightened the spikes. These are precisely the famous small details that often decide whether you’re moderately satisfied or can’t bear to part from your system and the associated musical enjoyment."
"Since its designers filtered out the very lowest tones, the speaker did not excessively tend toward muddiness or an unseemly booming in the bass region. Otherwise, if it had deeper bass extension, at higher volumes the cabinet could have started to resonate undesirably."
Also, that FR graph looks sketchy. Huge hump between 150Hz and 1kHz but a -3dB point of what, 110Hz? Maybe something was busted because that seems completely whack.