The Concept of Radiation Resistance and Speaker Driver Diameter – Why Woofers Have to be Large John E. Johnson, Jr.May 15, 2025 In loudspeaker design, radiation resistance plays a crucial role in determining how efficiently a speaker converts electrical energy into... PrimersTechnicalTechnical Article
The Mathematics of How Analog-to-Digital (ADC) and Digital-to-Analog (DAC) Converters do Their Job John E. Johnson, Jr.April 17, 2025 An Analog-to-Digital Converter (ADC) transforms an analog signal, which is continuous in time and amplitude, into a digital signal, which is... TechnicalTechnical ArticleTechnical Reviews
Analog Tape Recording and Playback Technology: The Principles, Practical Applications, and a Comparison to Digital Audio Recording John E. Johnson, Jr.April 10, 2025 Analog tape recording and playback involve several mathematical principles and concepts, spanning from physics to signal processing. Analog TapeTape DecksTechnicalTechnical ArticleTechnical Reviews
How Phono Cartridges Are Manufactured John E. Johnson, Jr.March 13, 2025 The manufacturing process of a phono cartridge is intricate and involves a combination of precision engineering, materials science, and skilled craftsmanship. ... Phono CartridgesTechnicalTechnical ArticleTechnical Reviews
The Use of Inductors in Audio Circuits John E. Johnson, Jr.March 6, 2025 Inductors are commonly used in audio circuits for various purposes due to their ability to store and release energy in the form of... Electronic ComponentsInductorsTechnicalTechnical ArticleTechnical Reviews
How Digital Recordings are Created in a Studio – A Testimony to their Hard Work John E. Johnson, Jr.February 27, 2025 We all (or nearly all) stream our digital music now rather than playing CDs (PCM files) or SACDs (DSD files). Do you ever think about... TechnicalTechnical ArticleTechnical Reviews
Vacuum Tubes (Valves) in Audio, Video, and Other Industries – History, The Different Types, and How They Work John E. Johnson, Jr.February 13, 2025 Vacuum tube preamplifiers and power amplifiers never went away. Perhaps they were on pause for a while, but now, they are everywhere . . . again. TechnicalTechnical ArticleTechnical ReviewsTubesValves
Audio Capacitors: Their Purpose, How They Work, How They Are Manufactured, and How They Affect the Sound John E. Johnson, Jr.January 30, 2025 As audiophiles, we have all heard about the parts in the audio equipment we purchase such as transistors, tubes, capacitors, resistors,... CapacitorsElectronic ComponentsTechnicalTechnical ArticleTechnical Reviews
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