Tag Archive for: Loudspeakers

Using All Pass Filters to Improve Directivity Response

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By Charlie Hughes

In this article, Charlie will how all pass filters can be used to improve directivity response of a loudspeaker.

All pass filters are perhaps one of the most overlooked and poorly understood tools for the general audio … Read more

Common Loudspeaker Format (CLF) News

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By Pat Brown

An update on Common Loudspeaker Format (CLF) .

The Common Loudspeaker file Format continues to gain strength and recognition among audio manufacturers and sound system designers. The CLF serves as an electronic specification sheet as well as … Read more

Constant-Beamwidth Transducer (CBT) Arrays

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By Pat Brown

This introduction to  Constant-Beamwidth Transducer (CBT) Arrays technology will get you thinking about possible applications.

We were pleased to have D.B. Keele, Jr. as a guest speaker at the recent Sound Reinforcement for Designers seminar in Louisville, … Read more

Reality Check! Are like make / model loudspeakers consistent?

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By Pat Brown

Are like make / model loudspeakers consistent? Pat Brown measured twelve like make / model loudspeakers. The results may surprise you.

From Dick Campbell’s Loudspeaker Park Part 3 article, this issue:

It is difficult to control the … Read more

Pseudo Stereo – When Stereo isn't possible or practical "spaciousness" may be an adequate substitute

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Theory and Practice – By Dale Shirk

Pseudo Stereo – When true stereo is not feasible or possible, “spaciousness” can be achieved with a relatively simple playback setup.

For many years the conventional wisdom said that stereo PA was impossible. … Read more

Compression Driver Specifications

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Meaningful Metrics By Pat Brown
 

A recent compression driver measurement project afforded the opportunity to test two concepts. The driver line-up was (3) 11 ohm drivers and (4) 8 ohm drivers. These are 1-inch exit devices that would be typically … Read more

Loudspeaker Sensitivity – What's a Watt, Anyway?

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By Charlie Hughes

Loudspeaker sensitivity and sound pressure level are not the same thing. Charlie Hughes shows why.

The specification of a loudspeaker’s sensitivity is probably one of the most common, yet perhaps one of the most misunderstood. In the … Read more

Take a walk in Loudspeaker Park with me – Part 3 Impedance

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Campbell’s Corner – By Dick Campbell

Dick Campbell continues with his series of investigations into the impedance and other properties of loudspeakers.

It’s time for some fine tuning. If a slightly larger box is acceptable, then setting the target frequency … Read more

Miking a Choir Without Feedback

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Tools of the Trade – By Pat Brown

Pat Brown showed how he miked a choir to get a lot of acoustic gain and no feedback. MP3 included.

I recently helped provide sound reinforcement for a local benefit concert. “An … Read more

Point Source Loudspeaker / Line Array Comparison

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By Pat Brown

Pat Brown collected measured data and compared a point source loudspeaker and line array in the same semi-reverberant environment.

The Phoenix, AZ Sound Reinforcement for Designers class experienced one of our best site visits ever. You can … Read more