Featured Research Article Archives
Filter & Crossover Types for Loudspeakers
The filter type can be described in several different ways. Low-pass and high-pass filters in two-way crossover networks are often identified by their "Q". The Q is the resonance magnification of the…
Loudspeakers: When Is Good Enough, Enough? Part 2
In truth, it is very difficult to know for sure how a speaker by itself really sounds unless you can listen to it in an almost perfectly neutral room. Any listening situation short of that perfectly…
Series vs Parallel Networks - First Order Comparison
Despite many of the myths that surround series networks and their acclaimed superiority over conventional parallel networks for loudspeaker design, both networks can be designed with identical…
The Truth About Digital (Class D) Amplifiers
Firstly I'd like to point out that "digital amps" is a misnomer. There are two categories: Analog-controlled class D. Switching amplifiers…
Audio Cable "Break In" Science or Psychological?
'Breaking in' a cable has everything to do with the insulation - not the wire itself. The insulation (or dielectric) will absorb energy from the conductor when a current is flowing (i.e. when music…
Calculating Inductance of Speaker Cables
How to calculate Inductance of Zip Cord Speaker Cable and how skin effect changes internal inducatance at various frequencies.
High Fidelity, The Miraculous Invention
Audio or high fidelity has been a miraculous invention. If you need to understand why, read Steppenwolf. We audiophiles are at the forefront of a revolution written about by Larry Klein, in Stereo…
Physics Tutorial 1: Coulomb's Law & Electrostatics
Atoms are composed of three particles with an electric charge: electrons, protons and uncharged neutrons. Electrons have a negative charge, and protons have a positive charge. The negative charge of…
Rubbing the Snake Oil Out of Speaker Cables
If we purchase expensive and more sophisticated speaker cables, we should expect improve audio reproduction, right? Digital audio, amplifier and speaker technology is now very sophisticated, and just…
Skin Effect Relevance in Speaker Cables
Skin Effect is a real problem in high frequency E&M; transmission but does it matter in speaker cables at audio frequencies? This article explores that very topic.
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