SB20PFC30-4 8" Paper Cone Woofer

The SB Acoustics SB20PFC30-4 is an 8" papyrus fiber paper cone woofer with a great value for its build quality and performance. Its components make it a good choice for many different enclosure types.

€42.95
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Highlights

  • Vented reinforced plastic chassis
  • Proprietary cone material with natural fibers made in-house
  • Soft low damping rubber surround for improved transient response
  • Large spider for improved linearity
  • Optimized motor system
  • Vented coil former for low compression
  • Non-resonant long life lead wires

 

Product details

SB Acoustics SB20PFC30-4 8" Paper Cone Woofer

 

The SB Acoustics SB20PFC30-4 is an 8" papyrus fiber paper cone woofer with a great value for its build quality and performance. Its components make it a good choice for many different enclosure types.  An extended and smooth frequency response suggests simple crossovers, even none at all. 

SISB20PFC304

Data sheet

Impedance
4 Ohm
Driver type
Midwoofer
Sensitivity
92.5 dB 2.83V/1m
Resonance frequency (fs)
33.7 Hz
DC resistance (Re)
3.4 ohms
Mechanical Q (Qms)
2.78
Electrical Q at Fs (Qes)
0.37
Total Q factor (Qts)
0.33
Speaker diameter
8"
Voice coil inductance (L)
0.71 mH
Effective mechanical mass incl air load (mms)
22.4 g
Effective piston radiating area (Sd)
216 cm2
Force factor (BL)
6.6 Tm
Equivalent volume of compliance (Vas)
2.33 ft.³