I have a brochure from Reference 3a from around the mid nineties. These are called La Crital associated with Baccarat Cristal, to convey the purity of the sound. The description is a Hi End slim column, extended 2 way and integrated subwoofer (inside the cabinet enclosure). 100 watts , 3 way 90 dB efficiency, constant linear phase. The Bacharat model is 125 watts. The drivers are made of kevlar, and your model uses a 5 1/4 inch driver which is is cut at 100 Hz. 4 ohm, distortion .3 frequency range 35-25000 paper woofer 7 inch crossover bass 100hz, tweeter 3000Hz, 120 music power, amplifier 40-100 watts recommended.