The first home tests are very good. My current surround speakers of " Technics" CA-10 with a good sound from 1997, they are sadly retreated himself ..
After the measurements, this is are Technical data:
Frequence Range; 33-25000 Hz
Long term Max Power; 200 W
Crossover Frequency; 2800 Hz
Impedance; 4 Ohms
Sensitivity; 90 db SPL
Cabinet Volume; 31 L
Gross weight / without stand /; 27kg.
There will be a sequel ...sometime..
Joro Raitchev
Sofia- Bulgaria