kelossus Posted November 10, 2020 Posted November 10, 2020 (edited) Price is for 4x woofers brand new in box. Will not separate. Rigid P.M.K. double-layer talc cone from Denmark; High suspension compliance surrounds; High damping dust cap; Flat and broad frequency response, abundant bass and forceful power., balanced and natural sound; - High performance ferrite double magnet entire coupling shield anti-magnetic circuit system Rigid iron frame; -High power handling Kapton? Voice coil former and heat-resistant SV voice coil wire Long-throw linear excursion design, broad dynamic range, having low distortion in low frequency; Finite Element Analysis for iron frame with high density, prevents the parasitic structural resonances; Small/Thiele parameters are designed by Hi-Vi Research US Headquarter; It is suitable for the low & medium frequency units of a hi-fi two-way bookshelf speaker system, and also suitable for midrange unit of a large three-way system, and the mini subwoofer of a home theater system. SS8IIR Hi-end Woofer Nominal Impedance (Z)(Ω) : 5 Resonance Frequency (Fs)(Hz) : 33 Nominal Power Handling (Pnom)(W) : 80 Max Power Handling (Pmax)(W) : 160 Sensitivity (2.83v/1m)(dB) : 94 Weight (M)(Kg) : 2.8 VC Diameter (mm) : 35 DC (Re)(Ω) : 4.2 VC Length (H)(mm) : 17.5 VC Former : SV VC Frame : Kapton Magnet System : Shielded Magnet Former : Ferrite Force Factor (BL)(N/A) : 9.2 Gap Height (He)(mm) : 8.0 Linear Excursion (Xmax)(mm) : 4.8 Suspension Compliance (Cms)(uM/N) : 809 Mechanical Q (Qms) : 5.20 Electrical Q (Qes) : 0.29 Total Q (Qts) : 0.28 Moving Mass (Mms)(g) : 28.0 Effective Piston Area (Sd)(m2) : 0.0227 Equivalent Air Volume (Vas)(L) : 59.6 Cabinet Type : Vented Recommended Box Volume(Vb)(L) : 35 Tuning Frequency(Fb)(Hz) : 40 -3dB Cut-Off Frequency(F3)(Hz) : 42 Edited November 11, 2020 by kelossus
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