Ohm Speakers 
“A loudspeaker apparatus is provided for producing time and phase-coherent sound waves…” is the beginning of my patent application filed on August 7, 1981. I have used Walsh speakers…
It's About Time!
The High Wire Act of the Speaker Designer – Keeping Sound in Balance
Designing speakers is a balancing act akin to walking a high wire high above an arena floor. Lean too much one way and you fall. Lean too much the other and it’s all over. Make a…
Break-In & Burn-In Versus Broken & Burnt Out
Brand new speakers are well known for not performing their best until they have been “burnt-in” or “broken-in.” This is true for all mechanical systems such as turntables, phono…
Sound Pressure Levels in Live Versus Recorded Music.
I prefer acoustic music played without amplification – particularly the human voice without microphones and PA. Luckily, we all listen to spoken voices every day and have learned from…
Microphone Techniques Affect Imaging:
Speakers are the weakest link in almost all stereo systems. This has been my opinion for many years. In fact, it was the subject of the very first of this series of posts over a year ago…
It’s All About Imaging!
A word that’s used a lot when talking about sound reproduction is “imaging.” But what, exactly, does imaging mean in audio? And how does imaging relate to a sound-field or…