Creating a system you love shouldn't be difficult. The Acoustic Frontiers blog is here to help.
Half wave rectification from devices within the home such as older hair dryers causes DC offset. It can also be caused by industrial devices outside the home that load the power line unevenly.
The typical observed effect is transformer buzzing and ‘growling’ due to saturation of the magnetic core. Larger transformers, often found in amplifiers, are more susceptible than smaller.
Clint, an avid DIYer, planned on building his own home theater to cut costs until he realized the complexity of the task. "One piece of advice I came across most often was to hire a professional. I was hesitant, but I just found myself going in circles and didn't want to invest in something I'd later regret."
Nyal Mellor, Founder, Acoustic Frontiers
Nyal Mellor
Author