User Guide for SB ACOUSTICS models including: SB23MFCL45-8 Polypropylene Subwoofer, SB23MFCL45-8, Polypropylene Subwoofer, Subwoofer
SB Acoustics SB23MFCL45-8 Subwoofer - AudioStatus
SB 8" SB23MFCL45-8 8.5 Ø 219.0±0.2 Ø4.3 (x8) Ø7.9 (x8) Ø 234.0±0.25 Ø130.0 Ø203.0 122.1 137.7 FEATURES Long stroke design Linear high stability suspension Low damping rubber surround Long copper voice coil Ncooinl f-ocromnedructing reinforced fibre glass Very stiff mineral filled Polypropylene cone Vented cast aluminium chassis Large vented motor system Long life silver lead wires Optimized for smaller enclosures Specs : Nominal Impedance 8 W DC resistance, Re 6.2 W Voice coil inductance, Le 1.02 mH Effective piston area, Sd 210 cm2 Voice coil diameter 45.5 mm Voice coil height 29.2 mm Air gap height 8 mm Linear coil travel (p-p) 21 mm Magnetic flux density 1.03 T Magnet weight 2.0 kg Net weight 4.7 kg Free air resonance, Fs Sensitivity (2.83 V / 1 m) Mechanical Q-factor, Qms Electrical Q-factor, Qes Total Q-factor, Qts Moving mass incl.air, Mms Force factor, Bl Equivalent volume, Vas Compliance, Cms Mechanical loss, Rms Rated power handling* * IEC 268-5, T/S parameters measured on drive units that are broken in. 28.5 Hz 85 dB 7.3 0.46 0.43 53 g 11.3 Tm 37 liters 0.59 mm/N 1.3 kg/s 150 W dB 100 95 90 85 80 75 70 65 60 55 50 45 40 20 Response Curve : ------ (Blue) : on axis 50 100 ------ ( Green ) : 30° off-axis 200 500 1k 2k (IEC baffle, mic distance 31.6 cm, SPL shown for 2.83 V / 1 m) --------- (Red) : 60° off-axis 160 147 133 120 107 93 Ohm 80 67 53 40 27 13 0 5k 10k 2kHz REV.3 (11.03.2016)GPL Ghostscript 9.55.0