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Owner's manual for JBL GT4 Series automotive subwoofers, covering models GT4-10, GT4-12, and GT4-15.
Provides accurate sonic reproduction, better power handling, and requires the least space.
Offers improved efficiency but less control; requires precise construction to specifications.
Maximizes output at the expense of sonic accuracy; design is complex and enclosures are large.
Formula for calculating the total system impedance of woofers connected in parallel.
Formula for calculating the total system impedance of woofers connected in series.
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