Transducer Size (Millimeters)203.2
DC Resistance5.53
Resonant Frequency42.19
Half Space Sensitivity86.67
Rated Noise Power90
Test Spectrum Bandwidth20Hz - 20kHz

Transducer Size (Millimeters) 203.2
DC Resistance 5.53 Ω±5.0%
Resonant Frequency 42.19 Hz15%
Half Space Sensitivity @ 2.83V86.67 dB±1.01
Sensitivity @ 1W/1m85.6 dB±1.01
Rated Noise Power (IEC 268-5 18.1)90 W
Test Spectrum Bandwidth 20Hz - 20kHz 12 dB/Oc
Effective Piston Area 213.8 cm2
Moving Mass 34.8 g
Motor Force Factor 8.26 T•m
Voice Coil Inner Diameter 38.43 mm
Gap Height 8 mm
Maximum Linear Excursion 8.4 mm
Ferrofluid Type
Minimum Impedance 6.21 Ω±7.5%
Voice Coil Inductance 0.78 mH
Mechanical Q Factor 5.73
Electrical Q Factor 0.75
Total Q Factor 0.66
Ratio 63.83 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance 409.1 μm/N
Effective Cone Diameter 16.5 cm
Motor Efficiency Factor 12.3 (T•m2)/Ω
Voice Coil Former Material GSV
Transducer Mass 2.52 Kg
Equivalent Volume 26.27 L

The SLS line combines high quality performance with an affordable design. This 8 inch 8 ohm member of the SLS family features a rigid steel basket, a coated paper cone, and a ferrite magnet motor with aluminium shorting ring for improved distortion performance.