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SB12PAC25-4

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SB ACOUSTICS SB12PAC25-4, 123mm (4.5in / 4-1/2in) ALUMINUM CONE MIDWOOFER 4 OHM
36,15 $CAChq

SB ACOUSTICS SB12PAC25-4, 123mm (4.5in / 4-1/2in) ALUMINUM CONE MIDWOOFER 4 OHM

Product Specifications
Manufacturer SB ACOUSTICS
Speaker Type Aluminum Cone Midbass
Nominal Diameter 12cm
Impedance 4 ohms
Power Handling (RMS) 30 W
Frequency Response 52.5 Hz
Sensitivity 87 dB
Voice Coil Diameter 25mm

SB ACOUSTICS SB12PAC25-4, 12cm ALUMINUM CONE MIDWOOFER 4OHM Features Vented reinforced plastic chassis Anodised aluminium cone Low damping rubber surround Large vented motor system Long stroke linear suspension Light weight CCAW voice coil Non-conducting fibreglass coil former Non-resonant long life lead wires Specs Nominal Impedance 4 Ω DC resistance, Re 3.1 Ω Voice coil inductance, Le 0.25 mH Effective piston area, Sd 50 cm2 Voice coil diameter 25.4 mm Voice coil height 15 mm Air gap height 5 mm Linear coil travel (p-p) 10 mm Magnetic flux density 1.03 T Magnet weight 0.40 kg Net weight 0.86 kg Free air resonance, Fs 52.5 Hz Sensitivity (2.83 V / 1 m) 87 dB Mechanical Q-factor, Qms 5.0 Electrical Q-factor, Qes 0.33 Total Q-factor, Qts 0.31 Moving mass incl. air, Mms 6.1 g Force factor, Bl 4.35 Tm Equivalent volume, VAS 5.3 liters Compliance, Cms 1.50 mm/N Mechanical loss, Rms 0.4 kg/s Rated power handling* 30 W * IEC 268-5, T/S parameters measured on drive units that are broken in.

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