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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.

"My goal was simple: create an experience that surpasses a commercial theater—and I believe we’ve achieved that." ~Jeff Mery, Bison HTA
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This case study highlights how Acoustic Frontiers engineered a high-performance home recording studio capable of supporting DJ performance, electronic production, mixing, and mastering—without compromising accuracy or workflow.

Nyal Mellor, Founder, Acoustic Frontiers
Nyal Mellor
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