HOME/INTRO COPYRIGHT NOTICEread this carefully, please THANKS WHO'S BEHIND POLLS & STATS GUESTBOOK LINK TO US SITE HISTORY
WELCOMETO THE TUTORIALread this first THE SPEAKERorthodynamic andisodynamic speakersstructure and operationcone and dome speakers MULTI-WAY SYSTEMSthe ideal speakerthe frequency ranges THE FILTERSactive and passive filtersline-level passive filters RESISTORS, INDUCTORSAND CAPACITORSresistance, inductanceand capacitancethe structure of capacitorselectrolythic capacitors LOWPASS, HIGHPASSAND BANDPASSthe crossover rows THE CUT FREQUENCYchoice criteriaenergy distribution chart ORDER AND SLOPEOF FILTERSthe wave band THE SPEAKER DISPERSIONthe wavelength THE LOAD REACTIVITYthe phase of filters THE CASCADING FILTERS THE CIRCUITRY PATTERNSfrom first to fourth order DRAWING THE NUMBERSformulas THE IMPEDANCEOF SPEAKERSthe nominal impedancethe impedance curve THE EQUALIZATION NETWORKSthe anti-inductive cellthe anti-resonance cellformulas THE ATTENUATION CELLSthe sensitivity of speakersformulas THE RL FILTERformulas THE FILTER Qthe shape of curvesformulas SERIES AND PARALLEL CONNECTIONScapacitors, inductors,resistors, speakers