I have used these speakers both in a 2 channel set up with my Art Audio Diavolo and as the front side speakers in a home theater. They were my first true audiophile speakers.
I am the second owner and a note for full disclosure on binding post has a broken banana plug, came that way never bothered me as I use spades on my speaker cables.
Other than that this is a 9/10
I have the original boxes and new grill covers. My wife hated I left them off. Below are the specs:
Woofer.. 6" rigid piston, single-pressed paper/ carbon fiber cone with ultralinear suspension, vented underhung Kapton voice coil. Shielded, radially-magnetized neodymium-iron-boron magnet. Built for us by Aurasound.
Tweeter.. 28mm polymer-coated linen dome of low resonant frequency, aluminum voice coil, liquid cooled. From Morel.
Crossover.. First-order response, electrically and acoustically, at 2850 kHz. Hardwired, using a Theta capacitor and Solen Litz inductor.
Enclosure.. Solid cast marble. Ported. Theater matte-black finish.
Sensitvity.. 89db for 2.83 Volts input at 1 meter, at sea level. Dynamically linear within 0.5 db to 103db
Response.. Free-Field at two meters: +/- 0.75db 80Hz to 20kHz,-3db at 50Hz and 23kHz.. In-room: -3db at 47Hz
Phase Shift.. +/- 1 degree from 200Hz on listening axis.
Rec. Power.. 7 to 170 W, 8 ohm rating
Impedance.. 4 to 5 Ohms from 100Hz to 20kHz, 4 to 10 ohms from DC to 100Hz
Physical.. Height: 18.5" Width 8.125" at base, 9.25" at top. Depth: 10.25" at base, 8.25" deep at top. 45 lbs. each.