SB Acoustics SB20PFC30-4 8” Paper Cone Woofer-4Ohms
₹3,050.00
1 in stock
SB Acoustics SB20PFC30-4 8” Paper Cone Woofer-4Ohms
Highlights:
- Large surround dome for increased acoustic output
- Dual balanced compression chamber for improved dynamics
- Copper cap for reduced voice coil inductance and minimum phase shift
- Saturation controlled motor system for low distortion
- Non-reflective rear chamber with optimized damping for improved dynamics
- Flow optimized vented pole piece for optimum coupling to rear chamber
- CCAW voice coil for low moving mass
- Long life silver lead wires
- Low resonance frequency
- Cast aluminium faceplate
Product Specification:
Nominal Impedance | 4 ohms |
DC resistence,Re | 3.4 ohms |
voice coil inductance,Le | 0.71 mH |
Free air resonance,Fs | 33.7 Hz |
Sensitivity(2.83V/1m) | 92.5 dB |
Mechanical Q-factor,Qms | 2.78 |
Electrical Q-factor,Qes | 0.37 |
Total Q-factor,Qts | 0.33 |
Moving mass incl. air,Mms | 22.4 g |
Force factor,BI | 6.6 Tm |
Equivalent volume,Vas | 66.2 liters |
Compliance,Cms | 1.0 mm/N |
Mechanical loss,Rms | 1.7 Kg/s |
Rated power handling* | 50W |
Effective piston area,Sd | 216 cm² |
Voice coil diameter | 35.5 mm |
Voice coil height | 16.5 mm |
Air gap height | 5 mm |
Linear coil travel(p-p) | 11.5 mm |
Magnetic flux density | 1.2 T |
Magnetic weight | 0.54 Kg |
Net weight | 1.43 Kg |
SB Acoustics SB20PFC30-4 DataSheet
| Brand | |
|---|---|
| JAN |
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