5.25" Woofer Midrange Paper Cone Die Cast Replacement Speaker 8 Ohm

Description

KB
Series 5.25" Cast-Frame Midrange Woofer 8 Ohm
The KB series is a unique design by MCM Audio Select that features a paper blend cone with Kevlar fibers, a sturdy and well vented die-cast frame, and a copper sleeve integrated into the motor for ultra-low distortion. MCM designed this series to compete with woofers with a much higher price tag.
Features:
Paper with Kevlar blend cone
Open die-cast aluminum basket
Copper pole-piece cap
Aluminum phase plug
Copper-clad aluminum voice coil
Rubber surround
Dimensions
Outer Diameter: 6.18"
Cut-out Diameter: 5.2"
Mounting Depth: 2.86"
Flange Thickness: 0.23"
Specifications
DC resistance Re: 6.4 (Ohm)
Impedance: 8 (Ohm)
RMS Power Handling: 50 Watts
Resonance frequency Fs: 52.2 (Hz)
Maximum impedance Zm: 25.05 (Ohm)
Mechanical Q factor Qms: 2.46
Electrical Q factor Qes: 0.861
Total Q factor Qts: 0.638
Linear Displacement Xmax: -1 (mm)
Moving mass Mms: 6.14 (g)
Equivalent volume Vas: 24.84 ( l )
Sensitivity SPL: 88.00 (dB)
Suspension compliance Cms: 1.51 (mm/N)
BL product Bl: 3.87 (N/A)
Driver piston diameter D: 117.00 (mm)
Voice Coil Inductance Le(1K): 0.54 (mH)