Tweeter: 1 inch (2.5 cm) aluminum dome, large neodymium magnets, copper pole sleeve, short coil/long gap design, coincidentally mounted with midrange.
Midrange: 3.5 inch with aluminum diaphragm, joined to midrange with tuned-compliance coupling surround. Shares tweeter motor system.
Woofer: 8 inch (20.3 cm) with anodized aluminum diaphragm, 2 inch (5 cm) diameter voice coil, stabilized by copper pole sleeve, copper pole ring, short coil/long gap design, die cast chassis.
Passive Bass Radiator: racetrack-shaped, foam panel, double surround.
Bandwidth (-3dB): 33 Hz - 37kHz
Frequency Response: 36Hz - 25kHz ±2dB
Phase Response: minimum ± 10º
Impedance: 4 ohm (3 min)Sensitivity (2.83v - 1m, true anechoic): 87dB
Recommended Power: 100 - 400 watts
Size (inches): 11 x 14 x 45.5
Weight: 70 pounds / 32 kg