Transducer Size (Millimeters)152.4
DC Resistance7.12
Resonant Frequency41.76
Half Space Sensitivity87.04
Rated Noise Power60
Test Spectrum Bandwidth35Hz - 20kHz

Transducer Size (Millimeters) 152.4
DC Resistance 7.12 Ω±5.0%
Resonant Frequency 41.76 Hz15%
Half Space Sensitivity @ 2.83V87.04 dB±1.01
Sensitivity @ 1W/1m87 dB±1.01
Rated Noise Power (IEC 268-5 18.1)60 W
Test Spectrum Bandwidth 35Hz - 20kHz 12 dB/Oc
Effective Piston Area 141 cm2
Moving Mass 13.7 g
Motor Force Factor 6.64 T•m
Voice Coil Inner Diameter 25.73 mm
Gap Height 6 mm
Maximum Linear Excursion 6.1 mm
Ferrofluid Type
Minimum Impedance 7.98 Ω±7.5%
Voice Coil Inductance 0.41 mH
Mechanical Q Factor 2.97
Electrical Q Factor 0.58
Total Q Factor 0.49
Ratio 85.76 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance 1058.3 μm/N
Effective Cone Diameter 13.4 cm
Motor Efficiency Factor 6.2 (T•m2)/Ω
Voice Coil Former Material ASV
Transducer Mass 1.04 Kg
Equivalent Volume 29.56 L

The SDS compact subwoofer family offers low resonant frequency performance, ideally suited for compact sealed enclosures. This 6.5 inch 8 ohm member of the SDS family offer a paper cone with rubber surround, a high power voice coil suspended in a ferrite magnet motor, and a narrow-profile steel basket shaped to fit into narrow cabinets.