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The Seas H1353 has a PP/TPX based cone that matches ideally with an adaptive rubber surround. The result is an outstandingly smooth frequency response from the mid woofer. A coaxially arranged pre-coated fabric dome high frequency unit with a low resonance frequency, integrates with the cone driver to a point source. The cone of the woofer acts as a horn loading for the tweeter, and the chassis of the dome unit represents the throat of this horn. This unshielded version is ideal for smaller enclosures. F3 of 60Hz in 0.3 cubic foot enclosure with a 1.5" diameter vent by 5" long. Crossover available separately. This speaker is an excellent choice as an autosound speaker as well.
Outside diameter 176mm Cut out 145.2mm Depth 84mm 25.4mm = 1" = 2.54cm
Tweeter/Woofer Nominal Impedance 6/8 Ohms Recom. frequency range 40-25000 Hz Short term max. power 220/250 W Long term max. power 90/80 W Sensitivity (1W/1m) 88.5/87 dB Voice Coil Diameter 26/39 mm Voice coil height 1.5/12 mm Air gap height 2.0/6.0 mm Linear coil travel (p-p) 0.5/6.0 mm Max. coil travel (p-p) -/20 mm Magnet weight -/0.64 Kg Total weight Kg Voice coil resistance 4.8/6.1 Ohms Voice coil inductance 0.05/0.7 mH Force factor 2.3/7.5 N/A Free air resonance 1200/29 Hz Moving mass 0.3/13.6 g Suspension compliance -/2.38 mm/N Suspension mech. resistance -/- Ns/m Effective piston area 7.0/120 sq. cm
Vas -/47.9 Liters Qms -/1.50 Qes -/0.26
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