Posts

Error Sources in Loudspeaker Data

by Pat Brown

The accuracy of sound system performance predictions are limited by a number of factors. These include but are not limited to the loudspeaker data.

Much good research has been done in recent years on loudspeaker data formats … Read more

Using Limiters to Help Protect Loudspeakers

By Charlie Hughes

In this article, Charlie Hughes will help you understand how limiters can be used to provide protection from over excursion.

Using limiters to protect loudspeakers is nothing new. In many applications a limiter is placed immediately in … Read more

Using All Pass Filters to Improve Directivity Response

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

More About Square Waves and DC Content

By Charlie Hughes
 
In this article, Charlie takes square waves to a deeper level. Questions like “What causes it to have its square shape?” will be addressed.

A recent thread on the SAC listserv “Looking for a new DMM” generated … Read more

Subwoofer Alignment with Full Range System

By Charlie Hughes

Subwoofer Alignment: Charlie Hughes answers this question, “How do I align a subwoofer with a full range loudspeaker system?”

I have heard the question “How do I align a subwoofer with a full range loudspeaker system?” asked … Read more

Hand-in-Hand Phase Response and Group Delay

Tools of the Trade – By Pat Brown

The phase characteristic of a loudspeaker is often neglected.  This article will help us learn more about the benefits of understanding phase responses.

A complete frequency response has both level and time … Read more

DSP Comparison – If They Sound Different, They Are Different… (Part 1)

By Pat Brown

How do DSPs compare? Pat Brown decided to test several DSPs and publish the measured data.

It is a buyer’s market when it comes to digital signal processors (DSP). It seems like everyone has one, and that … Read more