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SB Acoustics SB20PFC30-4 8'' Paper Cone Woofer- 4 ohms

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Your Price: ₹3,430.00
Part Number: SB20PFC30-4
Availability: Can Dispatch Immediately
Feature: Vented reinforced plastic chassis
Feature: Soft low damping rubber surround for improved transient response
Feature: Large spider for improved linearity
Feature: Optimized motor system with Proprietary cone material with natural fibers made in-house

SB Acoustics SB20PFC30-4 8'' Paper Cone Woofer


Product Specifications
Nominal Impedance4 ohms
DC resistence,Re3.4 ohms
voice coil inductance,Le0.71 mH
Free air resonance,Fs33.7 Hz
Sensitivity(2.83V/1m)92.5 dB
Mechanical Q-factor,Qms2.78
Electrical Q-factor,Qes0.37
Total Q-factor,Qts0.33
Moving mass incl. air,Mms22.4 g
Force factor,BI6.6 Tm
Equivalent volume,Vas66.2 liters
Compliance,Cms1.0 mm/N
Mechanical loss,Rms1.7 Kg/s
Rated power handling*50W
Effective piston area,Sd 216 cm²
Voice coil diameter35.5 mm
Voice coil height16.5 mm
Air gap height5 mm
Linear coil travel(p-p)11.5 mm
Magnetic flux density1.2 T
Magnetic weight0.54 Kg
Net weight1.43 Kg

Frequency and Impedance Graph:

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