The lowdown on subwoofers

Article Abstract:

Subwoofers, loudspeakers whose output is at the extreme low end of the frequency spectrum, are a necessary complement to bookshelf-sized speakers, whose bass may otherwise be unsatisfying. Output from paired subwoofers is generally more natural-sounding than output from a single subwoofer.

Varieties

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Twists & terms

Article Abstract:

Audio problems caused by the self-inductance of a two-wire cable should not be confused with problems caused by the mutual inductance of two cables. Advice on how to control the signal coupling caused by mutual inductance is presented.

Analysis, Column, Control, Maintenance and repair, Electric cables, Electrical cables, Electromagnetism, Electric measurements, Electrical measurement

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Taking up resonance: finding room modes on your computer

Article Abstract:

The resonance modes of a listening room are the key variables affecting speaker placement, especially for subwoofers. A BASIC language program to measure these modes from input information on room dimensions is provided.

Software, Measurement, Resonance, Resonance (Physics)

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