Audio Database Acustik-Lab Bolero Grande Piano black / :600,000 yen(two-set 1 set, the October, 1991 release) erable blue / erable Brown / graphite: 620,000 yen(two-set 1 set, the October, 1991 release) A walnut/oak: 500,000 yen(two-set 1 set, the October, 1991 release) Description The tallboy type speaker system of bolero series. The 12.5cm corn type squawker is carried in the 12.5cm corn type Woofer and the inside region low-pass. These units have adopted the double voice coil system, and the bobbin made from nomex excellent in heat resistance is adopted as the voice coil bobbin. Moreover, to a diaphragm, it is lightweight and rigidity is using neo flex time with a moderate high internal loss. The 3.0cm reverse dome shape tweeter is carried in the high region. The diaphragm of this unit is a product made from a titanium alloy, and has canceled the sound quality problem of the titanium alloy which generally tends to become sharp by coating of a special paint. A network is adopting the part selected carefully while attaining simplification of the circuit, and is reducing internal resistance. A unit is made in France and the enclosure serves as made in Germany. Finishing of the enclosure differed in the price according to those with seven kind, and finishing in all. Bi-wiring and by amplifier are supported. The speaker base for exclusive use was sold as the option. It is made in Japan, and this base is a steel material with paint finishing with a mat black glow, and use of a spike is also possible for it. Rating of a mode System 3 ways, 3 speaker bus reflex system, and a tallboy type Use unit For low-pass: 12.5cm corn type For inside regions: 12.5cm corn type For high regions: 3.0cm reverse dome shape Frequency response 40Hz - 22kHz Crossover frequency 125Hz, 4kHz Sound pressure level 91dB The maximum input 150W Impedance 4ohms Dimensions Width 204x height 850x depth of 270mm Weight 20kg Option: Speaker base PSG-BK (1 set, 20,000yen) Dimensions Width 250x height 5x depth of 300mm Weight 2.5kg