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DIY Audio site that includes datasheets, articles and a wide variety of projects.
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DIY site specializing in tube audio, vintage style guitar amps, mad science and all around DIY hooliganism.
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DIY resource for Audiophiles. Includes recipes for Cat5 speaker cable, fine silver interconnects, and power cords.
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Marco Rutz shares his experiences and projects in design, acoustics and recording. Personal observations, current and past projects, photo gallery, and high-end systems are showcased.
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A wide collection of DIY Audio Projects that range from chip amplifiers to speakers to tube pre-amplifiers.
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A web community (message forum) for the discussion of DIY Audio.
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Beginners guide offers an introduction to DIY hi-fi. Includes articles on building, modifying and buying components.
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Information for audio DIY hobbyists. Articles, construction projects, links, sources.
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Information related to vacuum tube circuits and techniques.
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Vacuum tubes for antique radios and tube audio gear.
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DIY guitar site that features guitar tube amps, pedal building and related projects.
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Describes a few tube amplifier projects including schematics and descriptions of the circuitry.
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Showcases the author's build of tube amplifiers, pre-amplifiers and restorations of tube radios.
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Projects by Nelson Pass including amplifiers, preamps and loudspeakers. Site offers information on circuit boards, FAQs and how to articles.
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Includes projects and articles about amplifiers, preamplifiers, speakers and cables.
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Discussion of vacuum tube audio amplifiers and high fidelity equipment with photos and schematic diagrams.
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Passive 2-way crossover spreadsheet design tool. Models allow complex speaker impedance, acoustic target shapes, series or parallel designs, and impedance compensation circuits.
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Web community (forum) for the discussion of DIY audio.
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Description and photos of multi-amp PCB with three integrated amplifiers each PCB and 24 dB/Octave Linkwitz-Riley Electronic filters. Configurable as a bi-amp or tri-amp.
