I use since 1983, the era I had traded a studio in bankruptcy claiming his gear ...
Use only domestic (HiFi).
Sometimes also to play with my guitar electro-acoustic ...

SOUNDS

Great sound, great dynamics and trs prcis: rgulirement my friends are impressed when they have a CD m'amnent m'habitude of costs for their ... "Here, the lower the I hear wrong with me ..." ...
Frequency drives for the curve, I do not know! I never measured ha ha ha!

OVERALL OPINION

I have been using for about 22 years ...
I like everything ... sound, robust (I have ... and carry around this issue, the only default is the weight: 21 kgs each, as much as my guitar amp lamps!)
I have many essay and cost a lot ... best ever found ... cell but is five or six years that I INTERESTED more thing ... besides, I'm looking for a home cinma, and for a sound equivalent, must leave at least 2000 euros per speaker column ...
I put 9 because of the 21 kgs that sometimes makes me drool ... but what the!