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Mcru Optimus In Line Mains Filter

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EXTRAS MCRU Optimus in line mains filter MAINS-BORN INTERFERENCE IS one of the many enemies of an audio system. Noise that is generated by household electrical equipment, such as refrigerators and washing machines, can cause annoying clicks, pops and in extreme cases buzzes to be heard from your system. Friends of the earth DETAILS PRICE £50 TELEPHONE 07908 056978 WEBSITE mcru.co.uk OUR VERDICT www.hifichoice.co.uk Making use of a sophisticated IEC inlet mains filter unit, the Optimus has an aluminium casing, which is earthed internally. The filter is fitted with a silver-plated mains cable that is terminated in a Martin Kaiser silverplated IEC connector. It can be used with CD players, amps, streamers and even Blu-ray players and TVs. The filter is tailored to the needs of the equipment and is available in 3A, 5A, 10A or 13A (on test here) variants. It can also be fitted with a Furutech filter for an extra cost. Other upgrade options at an additional cost include Furutech FI-11 IEC connectors with different plating options on the connections and Furutech FI-8N ‘figure of eight’ connectors. I remove the standard lead plugged into my preamp power supply and plug it into the Optimus. I then plug the IEC connector of the Optimus into my preamp. This eliminates a click that I could previously hear when my fridge switches on and off. I also sense that the noise floor has been pushed right down, resulting in a cleaner and purer sound, something that is particularly apparent with vocals and solo violins. I can also detect an improvement in dynamics. This is a great device that offers clearly audible improvements. NR REPRINTED FROM