As requested by some:
Frequency Response
46–20,000 Hz ±3dB
High Frequency Transducer
1.5" × 2.25" (3.8 × 5.7 cm) ATF™ Transducer
Mid Frequency Transducer
1.5" × 6" (3.8 × 15.2 cm) ATF™ Transducer
Low Frequency Transducer
8" (20.3cm) high excursion, high rigidity aluminum cone with extended throw drive assembly, non-resonance asymmetrical chamber format; bass reflex
Sensitivity
90 dB/2.83 volts/meter
Impedance
5 Ohms. Compatible with 4, 6, or 8 Ohm rated amplifiers.
Recommended Amplifier Power
20‒350 watts per channel
Crossover Frequency
450, 3000 Hz
Components
Air core coils, metal film and low dissipation electrolytic capacitors
Inputs
Custom 5-way binding posts
Weight
30 lbs. (13.6 kg)
Dimensions
40" × 9.44" × 11.69"
(102cm × 24cm × 29.7cm)