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SB Acoustics SB17CRC35-4 6" Woven Carbon Fiber Cone Woofer | 4 ohms
Rohacell®/Carbon fibre sandwich cone for optimized stiffness/damping ratio. Vented cast aluminum chassis for optimum strength and low compression. Low damping rubber surround for improved transient response. Non-conducting fibre glass voice coil former for minimum damping.