- Article number
- SB12MNRX2-25-4
- Woofer Series
- NRX Series
- Woofer Type
- Midwoofer
- Nominal Diameter
- 4"
- Power Handling (RMS)
- 50 watts
- Power Handling (max)
- -
- Continuous Program Power
- -
- Impedance (Z)
- 4 ohms
- Sensitivity
- 91 dB
- Frequency Response
- -
- Voice Coil Diameter
- 25.4 mm
- Magnet Weight
- 0.4 kg
- DC Resistance (Re)
- 3.2 ohms
- Voice Coil Inductance (Le)
- 0.15 mH
- Resonant Frequency (Fs)
- 58 Hz
- Mechanical Q (Qms)
- 3.60
- Electromagnetic Q (Qes)
- 0.29
- Total Q (Qts)
- 0.27
- Diaphragm Mass Inc. Airload (Mms)
- 4.1 g
- Moving Mass Of Diaphragm (Mmd)
- -
- Mechanical Compliance of Suspension (Cms)
- 1.77 mm/N
- Surface Area of Cone (Sd)
- 50 cm2
- Volume of Displacement (Vd)
- -
- BL Product (BL)
- 4.1 Tm
- Compliance Equivalent Volume (Vas)
- 6.3 L
- Maximum Linear Excursion (Xmax)
- 4.4 mm
- Driver's Mechanical Losses (Rms)
- 0.4 kg/s
- Cone / Diaphragm Material
- -
- Surround Material
- Butyl Rubber
- Voice Coil Wire Material
- Copper-Clad Aluminum Wire (CCAW)
- Voice Coil Former
- -
- Dual Voice Coil
- cross
- Basket / Frame Material
- Aluminum
- Magnet Material
- -
- Shielded
- cross
- Overall Outside Diameter
- 123 mm
- Overall Depth
- 70.1 mm
- Baffle Cutout Diameter
- -
- Bolt Circle Diameter
- -
- # Mounting Holes
- 4
- Mounting Hole Diameter
- 4.3 mm
- Sealed Volume
- -
- Sealed F3
- -
- Vented Volume
- -
- Vented F3
- -
