Why 8 Ohms?
Anyone who has messed with audio gear of any kind has run across “8 ohms.” Where did it come from and what does it mean?
“8 ohms” is found in loudspeaker specifications, amplifier specifications, and on wire gauge charts. Amplifier’s
Entries by Pat Brown
Line Array Realities
Line arrays are often stereotyped by how they behave at high frequencies. When full-range sound is considered, the reality is much different.
Source Types
A point source emits sound waves that are spherical in shape. The physicist’s theoretical point source … Read more
Jabra Headset Microphone Comparison
In this audio demonstration, I am wearing two headset microphones. The Jabra Engage 50 II is recorded to the left channel. The Jabra Evolve2 40 is connected to the right channel.
1. Stereo Version – Alternately mute your Left and … Read more
“If Bad Sound Were Fatal…” – Systematic Sound System Evaluation
Most listeners can detect “bad sound.” Don Davis famously said “If bad sound were fatal, audio would be the leading cause of death.” What may not be apparent is the reason for the bad sound.
In this article Pat Brown
Learn How to Simplify the EQ Workflow
The EQ Workflow is like painting with increasingly finer brush strokes until the desired level of detail is reached.
Technical equalization is the process of “making equal.” The objective is to neutralize the loudspeaker’s response. For some system types this … Read more
Frequency Response Matching – Part 2
By Pat Brown
This article answers the question: If I match the “frequency response” of two components, will they sound the same?
In Frequency Response Matching – Part 1, I gave an overview of the concept/practice of matching … Read more
Room Acoustics Case Study – Small Room
by Pat Brown
It is intuitive to think of sound waves as bouncing around the room like rays of light. The reality can be far different, and it affects the way that the room must be measured and treated.
This
Frequency Response Matching – Should This be Part of the System Tuning Process?
by Pat Brown
“Frequency response matching” is a popular endeavor in both professional and consumer audio systems. Should this be part of the system tuning process?
A logical use of audio filters is to attempt to “match” the frequency response … Read more
One System, Three Voltages – Make Sense?
by Pat Brown
Pat Brown clears up a confusing topic in a visual and practical way – voltages in transformer-distributed loudspeaker systems.
We have recently released a new version of the High-Z calculator used in SynAudCon’s CAFViewerTM and IntelliKwik… Read more