

Visaton TIW 250 XS
HiFi subwooferManufacturer parameters
- Diameter: 10" (25cm)
- Power (W): 200/300
- Impedance (Ohm): 8
- Sensitivity (db/1W): 89
- Qts: 0,33
- Price: 180€
- Diaphragm: Fiberglass/polyester
- Basket: Aluminium diecast
- Magnet: 155mm
- Fs = 29.38 Hz
- Re = 5.70 ohms
- Le = 1117.94 uH
- Qt = 0.31
- Qes = 0.32
- Qms = 10.53
- Mms = 73.75 grams
- Cms = 0.398 mm/N
- Vas = 45.89 liters
- Sd= 286.52 cm^2
- Bl = 15.65 Tm
- gamma = 212 N/A.kg
- ETA = 0.35 %
- Lp(2.83V/1m) = 89,05 dB
- EBP=91 Hz (bassreflex)
My comment:
Best sounding car subwoofer I have heard, massive voice coil and magnet. It can also produce high levels of SPL, but doesn't handle excursion very well. Good for instrumental music, don't expect much below 40Hz though.