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SB15SFCR39-4

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SB ACOUSTICS SB15SFCR39-4, 15x25cm PAPER CONE RACETRACK WOOFER 4OHM
CA$68.45Each
Product Specifications
Manufacturer SB ACOUSTICS
Speaker Type Paper Cone Woofer
Nominal Diameter 15x25cm
Impedance 4 ohms
Power Handling (RMS) 80 W
Frequency Response 31.5 Hz
Sensitivity 89.5 dB
Voice Coil Diameter 39mm

SB ACOUSTICS SB15SFCR39-4, 15x25cm PAPER CONE RACETRACK WOOFER 4OHM Features Racetrack design Hard paper cone (made in-house) Optimized motor system Non-conductive reinforced vented coil former Symmetric suspension Low damping rubber surround Long life silver lead wires Vented chassis Specs Nominal Impedance 4 Ω DC resistance, Re 3.5 Ω Voice coil inductance, Le 0.88 mH Effective piston area, Sd 178 cm2 Voice coil diameter 38.5 mm Voice coil height 17 mm Air gap height 6 mm Linear coil travel (p-p) 11 mm Magnetic flux density 0.94 T Magnet weight 0.54 kg Net weight 1.65 kg Free air resonance, Fs 31.5 Hz Sensitivity (2.83V/1m) 89.5 dB Mechanical Q-factor, Qms 7.9 Electrical Q-factor, Qes 0.34 Total Q-factor, Qts 0.33 Moving mass incl. air,Mms 24 g Force factor, Bl 7.0 Tm Equivalent volume, Vas 47.8 liters Compliance, Cms 1.06 mm/N Mechanical loss, Rms 0.6 kg/s Rated power handling* 80 W * IEC 268-5, T/S parameters measured on drive units that are broken in.

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