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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.
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
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.