How toreduceacousticfeedback and enhance the maximum usable gain of soundreinforcementsystemis one of the most importantterms toevaluate the performance of the sound reinforcement system.
Each leather hide is hand-stitched, the seats are slim-lined and scalloped for maximum comfort, and the car uses acoustic glazing, under-floor shields and hidden anti-vibration panels throughout the interior to suppress all unwanted noise.
Thanks in part to ideas born at dB Drag events, the acoustic power of car stereo speakers has increased tenfold in the last ten years, from a maximum of 500 watts per square meter to 5, 000. (A loudspeaker at a rock concert puts out 2, 500 to 3, 000 watts.) Pioneer learned from dB Dragsters to cover speaker coils with ceramics to dissipate heat.