PRO-ZT8 General Nominal Diameter: 8" ( 203.2 mm)
Nominal Impedance: 4 Ohms
RMS Power Handing: 275 Watts MAX
Power Handing: 550 Watts
Sensitivity (1w/1m): 98dB
Frequency Response: 65Hz - 22KHz
Recommended Hi Pass Crossover: 80Hz
Midrange Voice Coil Diameter: 1.5" ( 38.1 mm)
Voice Coil Former Material: Kapton
Winding Material: CCAW
Basket Material: Steel
Magnet Material: 27 oz
Tweeter Voice Coil Diameter: 1"
Voice Coil Material: Kapton
Winding Material: CCAW
Diaphragm Material: Aluminum
Alloy Magnet Weight: 0.44 oz
Magnet Material: Neodymium (N38H) Thiele & Small Parameters Equivalent Volume / Vas 12.4021 LTR Excursion / Xmax 1.6 mm Free Air Resonance / Fs 110 Hz Mechanical Factor / Qms 3.906 Electrical Factor / Qtes 0.76 Total Factor / Qts 0.708 DC Resistance / Re 3.2 ohms
Measurements Overall Diameter: 214 mm ( 8.42" ) Front
Mount Baffle Cutout: 181 mm ( 7.13" )
Mounting Depth: 91 mm ( 3.58" )
Overall Depth: 113 mm ( 4.44" )