SB Acoustics SW26DBAC76-8 10'' Patented Shallow Subwoofer

Features

• Unique patented long throw shallow design
• Vented cast aluminum chassis for optimum strength and low compression
• Dual rigid aluminum cone structure
• Non-conducting fiber glass coil former for minimum damping
• Shorting ring in motor system for reduced distortion
• Copper voice coil for improved power handling
• Long life insulated silver lead wires
• Powerful neodymium motor system

Specifications

• Nominal Impedance 8 ?
• DC resistance, Re 6.4 ?
• Effective piston area, Sd 312 cm²
• Voice coil diameter 75.5 mm
• Voice coil height 30 mm
• Air gap height 6 mm
• Linear coil travel (p-p) 24 mm
• Magnetic flux density 1.0 T
• Magnet weight 281 g
• Net weight 3.43 kg
• Free air resonance, Fs 19.5 Hz
• Sensitivity (2.83V/1m) 83 dB
• Mechanical Q-factor, Qms 4.4
• Electrical Q-factor, Qes 0.29
• Total Q-factor, Qts 0.28
• Moving mass incl. air,Mms 172 g
• Force factor, Bl 21.4 Tm
• Equivalent volume, Vas 54 ltr.
• Compliance, Cms 0.39 mm/N
• Mechanical loss, Rms 4.8 kg/s
• Rated power handling* 250 W

* IEC 268-5, T/S parameters measured on drive units that are broken in.