Technical course based on the book Loudspeaker Engineering.
Course Content
Chapter 1 — Introduction to Loudspeakers: Sound, Waves, Pressure, dB, Power, Sensitivity and Efficiency
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Chapter 2 — Electromechanical-Acoustic Conversion: Voltage → Current → Force → Motion → Air Displacement → Sound Pressure
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Chapter 3 — Physical Models, Electromechanical Analogies and Limits of the Lumped Model
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Chapter 4 — Magnetic Circuit: Flux, Reluctance, Permeability, Saturation and Leakage Flux
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Capítulo 5 — Ímãs: Ferrite, Neodímio, AlNiCo, Temperatura e Desmagnetização
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Chapter 6 — Gap, Top Plate, Back Plate, Pole Piece, T-Yoke, Symmetry and BL
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Chapter 7 — Moving Coil: Wires, Former, Windings, Resistance, Inductance, Mass, BL and Xmax
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Chapter 8 — Faraday Rings, Copper Cap, Shorting Rings and Inductance Control
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Chapter 9 — Cone / Diaphragm: Geometry, Materials, Stiffness, Damping, Modes and Breakup
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Chapter 10 — Surround: Materials, Profiles, Compliance, Linearity, Fatigue and Rocking
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Chapter 11 — Spider / Centering Damper: Kms(x), Cms, Progressivity, Creep, Hysteresis and Aging
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Chapter 12 — Basket/Frame: Stiffness, Alignment, Structural Modes, Ventilation and Tolerances
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Chapter 13 — Dust Cap: Mass, Rigidity, Radiation, Ventilation and Noise
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Chapter 14 — Tinsel Leads and Terminals: Bending, Fatigue, Resistance, Contact, and Noise
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Chapter 15 — Adhesives and Gaskets: Selection, Curing, Compatibility, Aging and Process Control
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Chapter 16 — Design for Assembly and Disassembly: Fixtures, Jigs and Poka-Yoke
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Pilot chapter — Thiele-Small Parameters: from Physics to Measurement and Diagnosis
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Chapter 17 — Thiele-Small Parameters One by One: Definition, Physical Origin, Equation, Measurement and Interaction
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Chapter 18 — T/S Measurement Methods: Added Mass, Known Case, and Impedance Methods
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Chapter 19 — Uncertainty, Repeatability, Temperature, Preconditioning, and Corrections in T/S Measurements
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Lessons:
