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
Testing the BluOS Wireless System with a NAD Masters M66 Streaming Preamplifier and PSB ALPHA IQ Wireless Speakers John E. Johnson, Jr.April 2, 2025 BluOS is one several wireless music-playing formats that are currently available to consumers. It was released by the Lenbrook Group... BluOSBookshelf SpeakersPreamplifiersReviewsSpeaker ReviewsTechnicalTechnical ReviewsWireless AmplifierWireless Speakers
Wireless Speakers: Past, Present, and Beyond – Part 3: Sonos John E. Johnson, Jr.March 27, 2025 Sonos wireless technology is a proprietary multi-room audio system that allows users to stream music, podcasts, and other audio content... TechnicalTechnical Reviews
Wireless Speakers: Past, Present, and Beyond – Part 5: Google Chromecast and Conclusions John E. Johnson, Jr.March 27, 2025 Chromecast Audio is a wireless audio streaming device developed by Google that allows users to stream music from a smartphone, tablet, or... TechnicalTechnical Reviews
Wireless Speakers: Past, Present, and Beyond – Part 2: BluOS John E. Johnson, Jr.March 27, 2025 BluOS is a proprietary high-resolution multi-room audio streaming platform developed by Lenbrook International. It is designed to deliver... TechnicalTechnical Reviews
Wireless Speakers: Past, Present, and Beyond – Part 1: Introduction and Bluetooth John E. Johnson, Jr.March 27, 2025 Wireless speakers have revolutionized the way we experience sound, allowing users to enjoy high-quality audio without the constraints of... TechnicalTechnical Reviews
Wireless Speakers: Past, Present, and Beyond – Part 4: Apple AirPlay 2 John E. Johnson, Jr.March 27, 2025 AirPlay 2 is Apple's wireless streaming technology that allows users to stream audio, video, and other media from Apple devices to... TechnicalTechnical 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
The Design and Function of Transistors in Audio: Past, Present, and Future Robert CordellJanuary 23, 2025 Bob Cordell, an electrical engineer, is a prolific designer of amplifiers, audio test equipment, and other audio gear. He has published... 30th AnniversaryTechnicalTechnical ReviewsThe Now
Life on the Edge – A Personal Perspective on the Past, Present, and Future of Class D Audio Amplifiers Bruno PutzeysOctober 22, 2024 The past quarter century of class D developments look strikingly different when seen through the eyes of the audio consumer and through... 30th AnniversaryTechnicalTechnical ReviewsThe Now
The Sound of Tubes – Why is it So Good? Lukasz FeliksOctober 3, 2024 Vacuum tubes have been around for ages and the technology has been at some point considered obsolete. Technically, there were of course... 30th AnniversaryTechnicalTechnical ReviewsThe Now
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