The following parameters are as follows:  
1.75" Voice Coil   
180 Watts Continuous Power Handling   
100 dB Sensitivity   
THIELE-SMALL PARAMETERS   
Designed Use Midrange     
Diameter 8 in   
Impedance 4 Ω   
RMS Power* 180 Wrms   
Program Power* 360 W   
Sensitivity 98 dB_SPL   
Freq Response 100-7.5k @-10fdBHZ   
Designed Use Midrange     
Xmax 2 mm   
Res Freq (FS) 91.52 Hz   
Equiv Vol (Vas) 11 L   
Elec Q (Qes) 0.80     
Mech Q (Qms) 11.86     
Total Q (Qts) 0.75     
Sd: Cone Area 219 CM2   
Mms: 18.53 g   
Strength Factor 7.23 Tm   
RE 3.69 Ω Le 0.48 mH @ 1 kHz   
VC Diameter 1.5 in Weight 2.33 Lbs   
Overall Diam. 206/8.11 mm/in   
Hole Cutout 180/7.09 mm/in   
Mounting Depth 85/3.35 mm/in   
Frame Aluminum     
Magnet Neodymium     
Voice Coil CCAW     
VC Former Kapton