Marsh Design Noise-Trap

Noise-Trap is the equipment that “TRAPS” all those unwanted noise frequencies, and removes them from the ac power line. Result is Clean Power and that helps improve audio and video. Others use series noise filtering which can add its own distortions thru individual filters. They fail to capture those vital details that enliven a brilliant performance.

Noise-Trap uses a shunt/parallel filters across the AC power line. It acts like a short circuit to all unwanted frequencies other than the 50 or 60Hz of our AC power systems.

Patented design by Richard N. Marsh
Trap unwanted noise frequencies for best possible sound and video. Unlimited dynamic range with multiple shunt/parallel noise filters. Plugs into your existing surge protected power strip.

Designed by Richard N. Marsh
Former Senior Electronics Engineering, worked on fusion energy projects at USA premiere research lab, Lawrence Livermore National Laboratory for 25 years and considered a world renown expert on audio systems design. An audio icon, who has introduced many important new concepts like capacitor improvements and direct coupled designs with DC servo concept, Current-Mode amplification, Clean AC Power and many others now in use by all audio companies.