Designing, Building, and Testing Your Own Speaker System with Projects

David B. Weems is an acknowledged expert in speaker systems and speaker enclosures. He has written several books, including all four editions of Designing, Building, and Testing Your Own Speaker Systemswith Projects and the first edition of this volume. Weems also has contributed numerous articles on speaker systems to such widely read electronics publications as Audio, High Fidelity, Popular Electronics, Radio Electronics, and Speaker Builder. G. R. Koonce is a member of the Audio Engineering Society and contributes many articles to Speaker Builder magazine.

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Introduction1 How a Speaker WorksParts of a SpeakerFrequency ResponseTransient ResponseDispersionCone ResonanceComplianceDampingImpedanceEfficiencyPower RatingSpeaker PolarityKinds of Drivers2 Kinds of Speaker EnclosuresFunctions of EnclosuresTypes of EnclosuresWhich Enclosure is Best?3 Speaker-Box ConstructionDesirable Enclosure CharacteristicsEnclosure ShapeSpeaker PlacementSome Recent Trends in Enclosure DesignMaterialsExtra Wall TreatmentConstruction RulesFinishing Your SpeakersMore Box-Construction Hints4 Closed-Box Speaker SystemsClosed-Box BasicsHow to Fit Box Volume to SpeakerClosed-Box Summary5 Ported-Box Speaker SystemsKinds of Ported EnclosuresHow Tuning Affects ResponseHow Box Volume Affects ResponseThiele Ported-Box DesignObtaining the Box and Port DimensionsFine Tuning by EarThe Boom-Box AlignmentThe Double-Chamber ReflexHow to Design a Double-Chamber ReflexBand-Pass Systems6 Crossover NetworksKinds of Crossover NetworksHow to Choose Crossover Frequencies to Match DriversHow to Make a Choke CoilL-PadsReal World CrossoversWhere to Put a CrossoverImpedance EqualizersContour Networks and Notch FiltersResonant-Peak FiltersCrossover Networks and Piezoelectric Tweeters7 Fun with a Computer ProgramShort Computer ProgramsLDPPrograms for Driver TestsPrograms for Box DesignPrograms for Box TestsPrograms for Network DesignPrograms for Speaker Directivity8 How to Choose and Use Your SpeakersChoosing a SpeakerUsing Your SpeakersKind of WireTerminalsHow to SolderYour Listening RoomIdeal Speaker PlacementBalancing Your SpeakersProtecting Your SpeakersExtension Speakers9 Testing Your SpeakersListening TestsCritical ListeningTests with a Sound-Level MeterFrequency Correction with an EqualizerPolarity TestsDamping TestUsing Test EquipmentImpedanceFree-Air ResonanceDriver QTests for VvsBox TestsNotch Filter Test10 ProjectsProject 1: A simple mini-speakerProject 2: A low-cost closed-box speaker systemProject 3: A ported-box mini-speakerProject 4: A ported-box compact speakerAppendicesA Useful FormulasElectrical Units Used in Speaker CircuitsOhm's Law for SpeakersReactance and ResonanceConversion Factors for Speaker ComplianceSpeaker Formulas for Constant-Voltage Sound-Distribution SystemsChoosing Impedance-Matching TransformersUseful Speaker-Design Formulas and ProceduresB Wire Data for Homemade CoilsC Computer ProgramsD Mail-Order HousesGlossaryIndexAbout the Author