Specifications:

Nominal diameter: 21"

Power rating: 2600 watts

Sensitivity: 97dB

Frequency response: 29-2800Hz

Voice coil diameter: 4" (100mm) , BACCW winding

Thiele-small parameters:

Resonance frequency: FS 32Hz

DC resistance: 7.2 ohms

Mechanical facto: Qms 7.2

Electrical facto: Qes 0.46

Total factor: Qts 0.43

BL factor:

BL: 23.5 TM /Vas: 356Ltr