15" HiFi subwoofer

2 x 300WMAX, 2 x 8Ohm

High-power dual voice coil chassis in a stable sheet steel basket with carbonized PP cone, capable of very great linear excursion, parameters for extra powerful bass reproductions of very low fundamental resonance in bass-reflex cabinets.

Impedance (Z) 2 x 8Ohm
Resonant frequency (fs) 23Hz
Max. frequency range f3-1,500Hz
Rec. crossover freq. (fmax.) 500Hz
Music power 2 x 300WMAX
Power rating (P) 2 x 150WRMS
SPL (1W/1m) 96dB
Suspension compl. (Cms) 0.3mm/N
Moving mass (Mms) 160g
Mech. resistance (Rms) 3.1kg/s
Mech. Q factor (Qms) 6.36
Electr. Q factor (Qes) 0.29
Total Q factor (Qts) 0.26
Equivalent volume (Vas) 284 l
DC resistance (Re) 2 x 6Ohm/ 3Ohm
Voice coil induct. (Le) 2 x 1.3mH/1.3mH
Voice coil diameter 65.5mm
Voice coil former Kapton
Voice coil winding height 22mm
Air gap height 8mm
Linear excursion (XMAX) ±7mm
Eff. cone area (Sd) 850cm2
Volume displacement (Vd) 595cm3
Force factor (BxL) 16.72Tm
Reference efficiency (No) 1.36%
Magnet diameter 182mm
Magnet weight 65oz.
Mounting cutout Ø 353mm
Mounting depth 153mm
Dimensions Ø 385mm
Weight 7.5kg
Rec. net cabinet volume
Closed 70 l
Bass-reflex 100 l