Non-resonant coated Papyrus fiber cone, low damping SBR surround, open structure cast frame for reduced reflections and copper cap on pole piece.
SB Acoustics SB15CRC30-4 5" Woofer
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.