- Article number
- SPH-450TC
- EAN
- 4007754127867
- Woofer Type
- Subwoofer
- Nominal Diameter
- 18''
- Power Handling (RMS)
- 2 x 350 Watts
- Power Handling (max)
- 2 x 500 Watts
- Impedance (Z)
- 4+4 Ohm
- Sensitivity (SPL at 1m / 2.83V)
- 93 dB
- Frequency Response
- 20-500 Hz
- Voice Coil Diameter
- 99.3 mm
- Magnet Weight
- 5.7 kg
- DC Resistance (Re)
- 2 x 3.7 Ohms / 1 x 7.4 Ohms
- Voice Coil Inductance (Le)
- 2 x 1.1 mH/1 x 4.6 mH
- Resonant Frequency (Fs)
- 20 Hz
- Mechanical Q (Qms)
- 2.97
- Electromagnetic Q (Qes)
- 0.27
- Total Q (Qts)
- 0.25
- Diaphragm Mass Inc. Airload (Mms)
- 305 g
- Mechanical Compliance of Suspension (Cms)
- 0.22 mm/N
- Surface Area of Cone (Sd)
- 1,250 cm2
- BL Product (BL)
- 32.40 Tm
- Compliance Equivalent Volume (Vas)
- 480 l
- Maximum Linear Excursion (Xmax)
- 12.9 mm
- Cone / Diaphragm Material
- Paper
- Surround Material
- Cloth
- Voice Coil Wire Material
- Copper
- Voice Coil Former
- Aluminum
- Dual Voice Coil
- Yes
- Basket / Frame Material
- Aluminum
- Magnet Material
- Ferrite
- Overall Outside Diameter
- 460 mm
- Overall Depth
- 220 mm
- Baffle Cutout Diameter
- 425 mm
- # Mounting Holes
- 8
- Mounting Hole Diameter
- 8.5 mm