Hi @jhsg congrats on your purchase on a pair of very accurate sound reproducers. Check out my review of the 8c's.
As @Martijn Mensink , designer of the 8c’s explains, “Basically, the first comb-filtering dip caused by the front-wall reflection is shifted to a frequency above the working range of the subwoofers. For instance, when the distance is 40 cm, the first boundary dip will be at 215 Hz. The woofers only go up to 100 Hz. The wall increases the output by a maximum of 6 decibels and you get a very nice coherent first wave-front, with no smearing in the time-domain. Above 100 Hz the cardioid midrange takes over. Whereas the subwoofers are using the boundary sort of like a springboard, in the midrange it's as if the wall isn't actually there, because very little sound is radiated towards it by the cardioid. That's why you can place the 8c's so close to the front wall! “
The takeaway is in-between 10 and 50cm should work just fine. Enjoy the music!
Thanks for the information.. Great review too.
I originally had the speakers at about 20cm's and have just moved them in so they are about 13cm's out (power cable / XLR need some room). They seem to sound better closer to the wall. My challenge (or at least a perceived challenge) is the feature wall behind my speakers - see attached image. The wall width is just a little less than the width of the speakers. My non technical brain is telling me perhaps having the 8c's closer to this wall is better because when further out the sub's will disperse wider than the wall.
Thanks everyone for your help... Being the new owner means I am probably going to the most active dumb question person on here for a while!
Regards,
John
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