World-reknowned speaker designer, Phil Jones published an interesting paper on loudspeaker impedance. It's a technical, deep dive into the subject but highlights the difficulty in putting faith published speaker specifications for nominal impredance.
What's that sound?
Proper techniques for the cleaning and preparation of audio connections.
An excellent article from cable manufacturer Nordost, explaining how and why a digital cable is so important
How vibration can negatively impact our systems, and what we can do about it
