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ESP - The Audio Pages. Professional results for the DIY enthusiast. Audio articles, projects to build and general information about hi-fi amplifiers, loudspeakers and audio in general.

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DIY Audio and Video: FAQs, Tutorials, and Calculators for Speaker Boxes, Crossovers, Filters, Wiring and more.

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Audio Video Conferencing, Acoustics, Recording, Cables, Connectors, Cameras, Cases, Control Systems, Networking, Digital Signage, Displays, Monitors, Digital Imaging, AV Furniture, Lighting, Mounting Systems, Power Management, Presentation, Projectio...

Car audio technical information with more than 125 individual pages, 50+ calculators and wav files. The covered topics range from basic electronics theory to more advanced topics such as speaker impedance as it relates to frequency, damping factor a...

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