- Article number
- SPH-30X/4SW
- EAN
- 4007754230819
- Woofer Type
- Full-Range
- Nominal Diameter
- 3''
- Power Handling (RMS)
- 20 Watts
- Power Handling (max)
- 50 Watts
- Impedance (Z)
- 4 Ohms
- Sensitivity (SPL at 1m / 2.83V)
- 90 dB
- Frequency Response
- 100-17,000 Hz
- Voice Coil Diameter
- 21 mm
- DC Resistance (Re)
- 3.55 Ohms
- Voice Coil Inductance (Le)
- 0.5 mH
- Resonant Frequency (Fs)
- 105 Hz
- Mechanical Q (Qms)
- 9.35
- Electromagnetic Q (Qes)
- 0.39
- Total Q (Qts)
- 0.42
- Diaphragm Mass Inc. Airload (Mms)
- 2.63 g
- Mechanical Compliance of Suspension (Cms)
- 0.84 mm/N
- Surface Area of Cone (Sd)
- 30 cm2
- BL Product (BL)
- 3.91 Tm
- Compliance Equivalent Volume (Vas)
- 1.1 l
- Maximum Linear Excursion (Xmax)
- 2 mm
- Cone / Diaphragm Material
- Kevlar
- Surround Material
- Rubber
- Voice Coil Wire Material
- Copper
- Voice Coil Former
- Kapton
- Basket / Frame Material
- Stamped steel
- Magnet Material
- Neodymium
- Shielded
- Yes
- Overall Outside Diameter
- 80.5 x 80.5 mm
- Overall Depth
- 42 mm
- Baffle Cutout Diameter
- 73 mm
- # Mounting Holes
- 4