15" MID-WOOFER
Black-coated steel basket
63Oz Ferrite magnet
Cloth edge and non-pressed paper+kevlar cone
High-temp polyimide film voice coil                     
Nominal diameter:15" (38cm)
Power rating: 450 watts
Sensitivity: 98.7 dB
Frequency response:28-2500Hz
Voice coil diameter: 2.5"(65.5mm) ,KSV winding
Thiele-small parameters:
Resonance frequency: FS 33 Hz
Nominal impedance:8ohms