woofer
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L15/85106 15inch speaker
1.97dB sensitivity 1W/1m 2.4-1.5k Hz frequency range 3.100mm/4 inch inside/outside copper voice coil with polyimide fiberglass former 4.Triple-roll surround and corrugated straight cone geometry 5. Reinforced Conex spider to improve the linearity control 6.Dual-force air ventilation and 16mm back plate for minimum power compression 7.Idea for high quality professional bass reflex and bass horn systems
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L21/8613 21 Inch Speaker
1.98dB sensitivity 1w/1m 2.23Hz-900Hz frequency response range 3. Heavy duty(330mm OD) ceramic magnet 4.A B/L n excess of 46 T/m for dynamic voicing 5.150mm/6 inch 2 layers inside/2 layers outside voice coil with polyimide fiberglass former 6.Optimum winding length for longer voice coil displacement and increased linear excursion 7.Double spider for improved excursion control and linearity 8.Double treated cone for water protection 9.BL/Re maximized for high quality horn-loaded application
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