Essential audio tools Noise Eater
Essential Audio Tools parallel mains filter that works without interrupting the installation's power supply, designed to reduce mains distortion in hi-fi systems.
Description
The Noise Eater from Essential Audio Tools is a parallel-type mains filter, designed to limit the distortion present on the domestic electrical network. Unlike a conventional series filter, it does not sit in the path of the current supplying the equipment: it plugs into a spare socket in a branch connection and works in parallel with the power circuit.
This parallel mode of operation means that no electrical power from the installation passes through the filter itself, which avoids any limitation of current or intensity for the connected equipment. The device's response time, under 25 nanoseconds, allows for a rapid reaction to transient disturbances on the mains.
These values demonstrate the filter's ability to absorb momentary electrical spikes without being damaged, a relevant point in environments where the electrical network is prone to disturbances.
The Noise Eater is aimed at hi-fi enthusiasts wishing to act on the quality of their system's power supply, as a complement to an already existing setup, without modifying the existing wiring or interrupting the power supply to connected equipment.
Technical specifications
| Maximum voltage | 250 V |
| Maximum peak voltage | 2 500 V |
| Maximum peak current | 4 500 A |
| Maximum peak energy | 3 × 65 J |
| Response time | < 25 ns |
| Dimensions | 39.5 mm diameter × 129 mm (excluding pins) |
| Weight | 240 g |
What to check before buying used
When buying used, it is worth checking the general condition of the casing and connection pins, as well as checking for any signs of overheating or impact that could indicate exposure to a surge exceeding the stated peak values. The compact format of the device, with a diameter of 39.5 mm for a length of 129 mm excluding the pins, makes it easier to inspect visually before use.
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