Car Stereo Speakers Illustrated by Daniel Ferguson PDF

By Daniel Ferguson

ISBN-10: 0071359680

ISBN-13: 9780071359689

ISBN-10: 0071389849

ISBN-13: 9780071389846

Проектирование и построение автомобильных акустических систем продолжают быть комбинацией искусства и науки. В этой книге описаны 20 полных иллюстрированных проектов акустических систем для разных видов транспортных средств. Шаг за шагом, от проекта до монтажа. Contents  creation IX Acknowledgments xv bankruptcy 1 entrance SPEAKER tasks 1 Spacer jewelry 2 Two-Way part process thirteen bankruptcy 2 REAR SPEAKER initiatives FOR SEDANS 23 The Triax 24 Bandpass/Coax mix forty two Bass Couplers 60 bankruptcy three REAR SPEAKER structures FOR HATCHBACKS sixty seven procedure I sixty nine procedure II eighty one extra strength 87 bankruptcy four REAR SPEAKER structures FOR PICKUP vehicles ninety nine commonplace Cabs ninety nine excellent news a hundred procedure exams 108 different probabilities 111 CHAPTERS REAR SPEAKER structures FOR vehicles AND game software cars 12S trucks 12S activity software cars 128 Jeep Wrangler process 128 bankruptcy 6 extra ON SPEAKER cupboard development 147 building principles 149 instruments a hundred and fifty method 151 different chances 167 In end one hundred eighty bankruptcy 7 THE filter out CROSSOVER 181 readability 182 Circuit functionality 185 Chassis education 189 meeting 193 Bench attempt 197 ultimate meeting 198 functionality 201 checking out in Use 205 eventually ... 208 bankruptcy eight simple SPEAKERBUILDING 209 evaluate 209 Thiele-Small Parameters 210 Impedance size 211 deciding upon Qrs 213 deciding on VAS 216 Two-Way Crossover layout 219 Measured reaction 225 Circuit research 226 a few Observations on Speaker layout Shareware 229 My Spreadsheets 232 research of instance Thiele-Small Sixth-Order Alignment approach 237 end 240 References 241 assets 243 Index 245

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This design can be employed with or without the electronic subwoofer filter, but it sounds best with the filter since the filter can be set to increase bass extension and remove subsonic information. It can also be used to adjust the high-frequency roll-off to better match the coax. Actual 43 Rear Speaker Systems for Sedans Photo 2-21 response curves with and without the filter are shown later on in the chapter. 6 coarse-threaded drywall screws-1% in long • 16-No. 8 panhead sheet-metal screws-l in long • 8--No.

I have only been able to find the stops through mail order catalogs such as Resources 3 and 4. Photo 2-27 8. Carefully draw lines on the inside surfaces of each of the pieces to represent the location of the mating parts. Drive some small nails along these lines to act as stops to accurately locate the pieces during final assembly as shown in Photos 2-28 and 2-29. Note also the use of the corner clamp to hold the pieces in place. A couple of these are better than an extra pair of hands. 9. As you carefully dry-fit each piece, drill the pilot holes in the edges of the mating parts by running a 'X2""in drill through the layout holes.

1r .. 1r 1r 1r _ II 1r 68 dB . 5k 20k aass Midrange treble 92 B9 I II . ' 1r 1r 77 7. 'rebl!! _. -. -, -12 SO 71 74 71 OS at 30 Hz to be slightly asymmetric, indicating that the woofer is producing some distortion at 100 dB that is significantly reduced at 40 Hz in Photo 2-20b. Higher frequencies all appear to be sinusoidal. Finally For a purely subjective analysis, I cOlUlected a portable CD player to the test setup and played music through it. It sounded smooth and full. I then plumped up the bass by increasing the woofer volume and reduced the woofer crossover frequency to reflatten the midbass.

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Car Stereo Speakers Illustrated by Daniel Ferguson


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