SB Acoustics SB20PFCR30-8 Full-range Woofer
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Product description
This 8" papyrus fiber paper cone woofer is a great value for this build quality and performance. The specifications make it a good choice for many different enclosure types. An extended and smooth frequency response suggests simple crossovers, even none at all.
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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
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Product Details
PAM8610 2 x 10W Class D Audio Amplifier Board
This 8" papyrus fiber paper cone woofer is a great value for this build quality and performance. The specifications make it a good choice for many different enclosure types. An extended and smooth frequency response suggests simple crossovers, even none at all.
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Specifications
Article numberSB20PFCR30-8
Woofer TypeFull-range mid/woofer
Nominal Diameter8"
Power Handling (RMS)50 W
Impedance (Z)8 ohms
Sensitivity (SPL at 1m / 2.83V)90.5 dB
Voice Coil Diameter30.5 mm
Magnet Weight540 g
DC Resistance (Re)5.6 ohms
Voice Coil Inductance (Le)0.84 mH
Resonant Frequency (Fs)34 Hz
Mechanical Q (Qms)2.66
Electromagnetic Q (Qes)0.43
Total Q (Qts)0.37
Diaphragm Mass Inc. Airload (Mms)21.2 g
Mechanical Compliance of Suspension (Cms)1.0 mm/N
Surface Area of Cone (Sd)216 cm2
BL Product (BL)7.7 Tm
Compliance Equivalent Volume (Vas)66.2 liters
Maximum Linear Excursion (Xmax)5.75 mm
Driver's Mechanical Losses (Rms)1.7 kg/s
Cone / Diaphragm MaterialPapyrus fiber paper cone
# Mounting Holes8