- Article number
- SP-4/60PRO
- Woofer Type
- Midwoofer
- Nominal Diameter
- 4''
- Power Handling (RMS)
- 30 Watts
- Power Handling (max)
- 60 Watts
- Impedance
- 8 Ohms
- Sensitivity
- 90 dB 1W/m
- Frequency Response
- 90-10,000Hz
- Voice Coil Diameter
- 1''
- Magnet Weight
- 370 g
- DC Resistance (Re)
- 6.76 Ohms
- Voice Coil Inductance (Le)
- 0.3 mH
- Resonant Frequency (Fs)
- 92 Hz
- Mechanical Q (Qms)
- 5.35
- Electromagnetic Q (Qes)
- 0.67
- Total Q (Qts)
- 0.60
- Diaphragm Mass Inc. Airload (Mms)
- 6.3 g
- Mechanical Compliance of Suspension (Cms)
- 0.47 mm/N
- Surface Area of Cone (Sd)
- 68 cm2
- BL Product (BL)
- 5.85 Tm
- Compliance Equivalent Volume (Vas)
- 3.0 l
- Maximum Linear Excursion (Xmax)
- ± 2.3 mm
- Cone / Diaphragm Material
- Paper
- Surround Material
- Foam
- Voice Coil Former
- Kapton
- Basket / Frame Material
- Stamped steel
- Magnet Material
- Ferrite
- Overall Outside Diameter
- 113 x 113
- Overall Depth
- 63 mm
- Baffle Cutout Diameter
- 103 mm
- # Mounting Holes
- 4
- Mounting Hole Diameter
- 5mm
