Transducer Size (Millimeters)88.9
DC Resistance6.43
Resonant Frequency73.74
Half Space Sensitivity83.04
Rated Noise Power25
Test Spectrum BandwidthFS-2.5KHZ

Transducer Size (Millimeters)88.9
DC Resistance6.43 Ω±5.0%
Resonant Frequency73.74 Hz15%
Half Space Sensitivity @ 2.83V83.04 dB±1.01
Sensitivity @ 1W/1m83.3 dB±1.01
Rated Noise Power (IEC 268-5 18.1)25 W
Test Spectrum BandwidthFS-2.5KHZ 12 dB/Oc
Effective Piston Area30.8 cm2
Moving Mass4.3 g
Motor Force Factor5.4 T•m
Voice Coil Inner Diameter25.73 mm
Gap Height6 mm
Maximum Linear Excursion4.5 mm
Ferrofluid Type
Minimum Impedance8.45 Ω±7.5%
Voice Coil Inductance0.27 mH
Mechanical Q Factor4.95
Electrical Q Factor0.44
Total Q Factor0.4
Ratio182.97 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance1086.8 μm/N
Effective Cone Diameter6.26 cm
Motor Efficiency Factor4.5 (T•m2)/Ω
Voice Coil Former MaterialKSV
Transducer Mass0.88 Kg
Equivalent Volume1.48 L

The SLS line combines high quality performance with an affordable design. This 3.5 inch 8 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.