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Featured Research Article Archives

Slew Rate in Audio Amplifiers - What Does it Mean? This article defines what amplifier slew rate is and its real world implications. We also show how to calculate an audio amplifiers slew rate based on bandwidth and power level.

Loudspeaker Sensitivity & Impedance Explained The focus of this article is on loudspeaker sensitivity and impedance. Loudspeaker manufacturers sometimes exaggerate the specifications of their products to make them look better than reality.

Debunking the Myth of Speaker Cable Resonance This article debunks the nonsense some exotic cable manufacturers like to spread about they have a solution to electrical or mechanical resonance in loudspeaker cables.

WiSA Demo (Aperion Audio & Klipsch) at CES 2013 We covered WiSA back at CEDIA 2012, and wrote up an article covering the details surrounding WiSA, but this year at CES 2013 we were able to get a hands-on demonstration.

The Decibel (dB) Scale & Audio Rules 101 This article discusses the relationship between the decibel(dB) for audio devices that produce sound and how we perceive loudness. Basic audio rules are given to relating to the decibel.

Tip of the Day: Don't Be too Focused on Loudspeaker Specs & Measurements Loudspeaker measurements & specifications are useful only when properly evaluated and compared in a fair manner. They are no substitute for evaluating sound quality in your listening space.

Tip of the Day: Corner Loading a Small Sub for a Boost Tip of the day, corner load a small potent sub to take advantage of room gain to boost your low frequencies.

Sealed vs Ported Loudspeakers: Which is Better? Sealed vs ported loudspeaker designs, which one is better? This article provides a historical perspective and attempts to answer this age old question.

Comb Filtering, Acoustical Interference, & Power Response in Loudspeakers This article discusses comb filtering between multiple speakers in a room & acoustical interference between drivers sharing the same bandwidth in a loudspeaker system. Power response is discussed too.

Center Channel Speaker Design Additional Considerations This article explores the various center channel designs while also referencing past works on the topic. Horizontally mounting drivers can compromise off-axis performance but there are alternatives.