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SB Acoustics SB17NBAC35-4 6" Black Aluminum Cone Woofer
The SB Acoustics SB17NBAC35-4 features a vented cast aluminum chassis for optimum strength and low compression, a geometrically reinforced aluminum cone for optimum piston operation and reduced break-up. Soft low damping rubber surround for improved transient response and non-conducting fiber glass voice coil former for minimum damping. Extended copper sleeve on pole piece for low inductance and low distortion. CCAW voice coil for reduced moving mass. Long life silver lead wires and vented pole piece for reduced compression.