Transducer Size (Millimeters)133.35
DC Resistance2.71
Resonant Frequency51.49
Half Space Sensitivity88.36
Rated Noise Power50
Test Spectrum Bandwidth20Hz - 20kHz

Transducer Size (Millimeters)133.35
DC Resistance2.71 Ω±5.0%
Resonant Frequency51.49 Hz15%
Half Space Sensitivity @ 2.83V88.36 dB±1.01
Sensitivity @ 1W/1m84.7 dB±1.01
Rated Noise Power (IEC 268-5 18.1)50 W
Test Spectrum Bandwidth20Hz - 20kHz 12 dB/Oc
Effective Piston Area83.3 cm2
Moving Mass15.9 g
Motor Force Factor5.9 T•m
Voice Coil Inner Diameter32.42 mm
Gap Height6 mm
Maximum Linear Excursion5 mm
Ferrofluid Type
Minimum Impedance3.44 Ω±7.5%
Voice Coil Inductance0.2 mH
Mechanical Q Factor3.95
Electrical Q Factor0.4
Total Q Factor0.36
Ratio141.84 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance601.9 μm/N
Effective Cone Diameter10.3 cm
Motor Efficiency Factor12.9 (T•m2)/Ω
Voice Coil Former MaterialASV
Transducer Mass1.48 Kg
Equivalent Volume5.87 L

The SLS line combines high quality performance with an affordable design. This 5.25 inch 4 ohm member of the SLS family features a rigid steel basket, a paper cone, and a ferrite magnet motor with aluminium shorting ring for improved distortion performance.