Shock horror... I've came across this comments by Lt Cdr Data: [URL]https://www.audio-forums.com/as-rediect/showthread.php?t=8670[/URL] just to realize that those speakers use metal cones (magnesium) and... you wouldn't believe (!)... DNM like internal cables: [B]"The advance tweeter makes other demands on the cable. To ensure a natural reproduction of even the most delicate harmonics, it is very important to have as low as a capacitive reactance as possible. This has been achieved with another newly developed cable type, the Jamo High Resolution Frequency Control OFC Flat Cable. This cable has a sectional area of 1.5(mm2) and large separation between the two conductors."[/B] [URL]http://www.progressive-av.co.uk/product_pdfs/speakers/jamo_concert_d830_manual.pdf[/URL] And then I just found this: [URL]https://www.audio-forums.com/as-rediect/showthread.php?t=6919&page=2&pp=15[/URL] and this... [URL]https://www.audio-forums.com/as-rediect/showthread.php?t=6837[/URL] and... "Oops, I forgot. Only speakers with all metal cones can sound good ": [URL]https://www.audio-forums.com/as-rediect/showthread.php?t=7080[/URL] I really think Jamo did a nice Job with those... even without listening... PS: Anybody knows the crossover order of the D830s?