55-5665

The KB series is a unique design by MCM Audio Select that features a Kevlar-Paper Blend cone, a well-vented, die-cast frame, and copper integrated into the motor structure. We designed this series to compete with woofers that have nearly double the price tag; we exceeded our expectations. Don't take our word for it, try it for yourself and see what all of the excitement is about.

• Cone Material: Paper/Kevlar blend
• Surround Material: Rubber
• Basket: Die-cast aluminum
• Former: Black aluminum
• Wire: Copper-clad aluminum
• Copper pole piece
• Outer Diameter: 6.81"
• Cut-out Diameter: 5.84"
• Mounting Depth: 3.24"
• Flange Thickness: 0.23"
• DC resistance Re: 6.5 (Ohm)
• Impedance: 8 (Ohm)
• Resonance frequency Fs: 42.6 (Hz)
• Maximum impedance Zm: 29.3 (Ohm)
• Mechanical Q factor Qms: 1.613
• Electrical Q factor Qes: 0.465
• Total Q factor Qts: 0.361
• Linear Displacement Xmax: 7.5 (mm)
• Moving mass Mms: 15.93 (g)
• Equivalent volume Vas: 19.98 ( l )
• Sensitivity SPL: 87.1 (dB)
• Suspension compliance Cms: 0.877 (mm/N)
• BL product Bl: 7.72 (N/A)
• Driver piston diameter D: 127 (mm)