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NOTE: While this booklet may provide you with the necessary tools to build a solid good sounding enclosure for your subwoofer, Earthquake Sound recommends that you invest wisely and have our professionally trained Earthquake dealers help you optimize your enclosure design and the rest of your audio system.
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Designs & Engineering Honors Poly-ether draw surround with thick single layer for longer life and max excursion Edge reinforced inverted dust cap for lower cone distortion 3mm stiff non-pressed fiber cone for faster response and lighter mass MAX OD spider for more spider area and more linear spring constant Patented TCT™...
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Specifications SUBWOOFER: MAGMA15X Free Air Resonance (Fs): 20.209 Hz Electrical “Q” (Qes): 0.3219 Mechanical “Q” (Qms): 4.7850 Total Speaker “Q” (Qts): .3017 Equiv. Compliance (Vas): 7.4210 ft 210.14 liters One-way, Linear Excursion: 0.75 in (Xmax) 19.05 mm Efficiency (1W/1m): 89.1487 dB SPL Effective Piston Area (Sd): 137.95 in 0.089 m...
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Alaska, Puerto Rico and Hawaii) back to customer. • Second, third, fourth & fifth year: Earthquake pays labor only. Customer must pay for parts, re (E) Shipping Instructions: packing (if needed) and freight both ways.
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