Instruction/ maintenance manual of the product qc12s4 Quantum
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QC12S4 - 12” Subwoofer Installation Instructions / Owner's Manu al QUANTUM AUDIO www .quantumaudio.net T el: 956-428-4263 Fax: 956-421-4513.
1 WARNING! Exposure to high sound pressure levels can cause hearing loss or damage. Listening to your system at loud levels while driving, will impair your ability to hear traffic sounds and emergency vehicles. Use common sense when listening to your system.
2 QC12S4 C ALCULATING ENCLOSURES It is difficult to give exact box dimensions that are universal for all cars and trucks. It is for this reason that you must be able to calculate the space in which you have available in order to achieve the proper air volume required.
Ported Enclosure Box Volume *2.0 Cu Ft. Port Frequency (Fb) 35 Hz Port Diameter 4 Inches Port Length 11.97 Inches Frequency Frequency QC12S4 Amplitude Response (dB/Hz) QC12S4 Amplitude Response (dB/Hz.
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