SB Acoustics SB12MNRX2-25-4 4" Midrange Woofer

Specifications for: SB12MNRX2-25-4 4" Midrange Woofer

• Woofer SeriesSpecific woofer production line of the manufacturer. NRX Series
• Woofer TypeThe driver type for example subwoofer, mid-woofer, full range or coaxial woofer. Midwoofer
• Nominal DiameterThe approximate diameter of the driver, measured in inches. 4"
• Power Handling (RMS)The average power handling capability of a driver (coil) in electric power (watts) for a long period of time without damaging the driver. RMS stands for Root Mean Square 50 watts
• Power Handling (max)The maximum electrical power that a woofer (coil) can handle for a short period of time before it is damaged. -
• View all specifications
• Continuous Program Power -
• Impedance 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
• Basket / Frame Material Aluminum
• Magnet Material -
• Shielded
• 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 -