Earthquake, TremorX
Dear Valued Customer,
Earthquake Sound Corporation, located in Hayward California at the heart of the San Francisco Bay Area; specializes in manufacturing high end car audio products ranging from the smallest titanium tweeter to the world’s largest amplifier. In its dedication to excellence, Earthquake has maintained extensive programs in research and development to provide you with the highest quality mobile audio products.
This owners manual is designed to better acquaint you with Earthquake products and to guide you through all phases of system design and application. It is imperative that you read this manual in its entirety. Earthquake technicians and staff are looking forward to answering any questions you might have.
TREMORX 4 & 8 OHM SUBWOOFER SPECIFICATIONS |
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Free Air Resonance (Fo) | 33.701 Hz | 28 Hz | 51.225 Hz | 27 Hz | 28.815Hz | 26 Hz | |
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Electrical “Q” (Qes) | 0.642 | 0.5582 | 1.034 | 0.493 | 0.890 | 0.462 | |
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Mechanical “Q” (Qms) | 3.101 | 4.6012 | 2.127 | 5.3508 | 2.657 | 6.774 | |
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Total Speaker “Q” (Qts) | 0.532 | 0.4978 | 0.696 | 0.6359 | 0.667 | 0.433 | |
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One way linear excursion | 1in. / 25.4 mm | 1in. / 25.4 mm | 1.1 in. / 27.94 mm | 1.1 in. / 27.94 mm | 1.2 in. / 30.48 mm | 1.2 in. / 30.48 mm | |
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Effective Piston Area (Sd) | 53.522 sq. in. | 53.522 sq. in. | 81.392 sq. in. | 81.392 sq. in. | 105.774 sq. in. | 105.774 sq. in. | |
| 0.0345 sq. m. | 0.0345 sq. m. | 0.0525 sq. m. | 0.0525 sq. m. | 0.0682 sq. m. | 0.0682 sq. m. | |
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Efficiency (1W/1M) | 83.8 dB SPL | 84.67 dB SPL | 84.8 dB SPL | 86.80 dB SPL | 86.3 dB SPL | 90 dB SPL | |
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REVC | 4.000 Ohm | 4.000 Ohm | 3.800 Ohm | 6.67 Ohm | 3.700 Ohm | 5.98 Ohm | |
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BL | 13.231TM | 16.23TM | 17.302TM | 17.01TM | 15.910TM | 12.03TM | |
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VAS | 2.1 Ft3 | 1.30 Ft3 | 4.1 Ft3 | 3.539 cu. ft. | 4.90 ft3 | 9.1 ft3 | |
100.15 liters | |||||||
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Nominal Impedance | |||||||
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Power Handling | 1000 Max | 1000 Max | 1250 Max | 1250 Max | 1500 Max | 1500 Max | |
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CAUTION: Earthquake
Audio products are capable of producing over 140dB and are commonly used for high powered audio systems. Prolonged exposure to SPL levels of over 1 0 0 d B w i l l c a u s e p e r m a n e n t h a r i n g d a m a g e . W e a t Earthquake ask you to please exercise extreme caution when using our product for competition or every day use.
2 | EARTHQUAKE SOUND • SUBWOOFER SPECIFICATION CHARTS |
