Mains Cables R Us has been building mains filters for many years; and we can supply them from as little as £40 for a basic single-component filter, up to £2000 for a full-system filtering solution.

Showing 1–12 of 32 results

Black Ravioli Black Hole Power Module (L)

£2,700.00
Single unit with fused IEC plug terminal connected to one separated & segregated Eflos volume with 4 BR.Pads as feet. Please note, no mains connecting cable is supplied. Eflos Capacity: 6 Dimensions: 266x151x60mm Weight: 2.35kg Made in Scotland
For an overview of what the Black Hole Concept can achieve: click here
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Black Ravioli Black Hole Signal Module (L3)

£2,700.00
Treble unit with three terminals connected to two separated & segregated Eflos volumes and 4 BR.Pads as feet. USB A, RCA, 6mm Spade, 4mm plug or HDMI with three 1 metre leads. Eflos Capacity: 6 Dimensions: 1288x151x60mm Weight: 2.35kg Made in Scotland
For an overview of what the Black Hole Concept can achieve: click here
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Black Ravioli Black Hole Signal Module (XL)

£2,700.00
Single unit with one terminal connected to three separated & segregated Eflos volumes to form one combined volume and 4 BR.Pads as feet. USB A, RCA, 6mm Spade, 4mm plug or HDMI with one 1 metre lead. Eflos Capacity Rating: 6 Dimensions: 1288x151x60mm Weight: 2.35kg Made in Scotland
For an overview of what the Black Hole Concept can achieve: click here
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Black Ravioli Black Hole Signal Modules

£499.00
Single unit hard wired for vertical or horizontal application close to equipment. USB A, RCA, 6mm Spade, 4mm plug with 320mm lead or HDMI with 800mm lead. Eflos Capacity Rating: 1 Dimensions: 114x55x55mm Weight: 0.4kg Made in Scotland
For an overview of what the Black Hole Concept can achieve: click here
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Ex Dem Isotek EVO3 Syncro Uni

£495.00
  • Reduces/eliminates transformer hum by replacing the mains sine wave on the zero volts line
  • Uniquely removes harmful DC by re-balancing the mains sine wave
  • Silver plated OCC (Ohno Continuous Cast) copper solid core internal wiring cable.
  • Virtual Air Dielectric using a Teflon FEP bridge, this offers chemically inert and very low dielectric constant over a wide frequency range
  • 16A or 10A rated versions to the following output sockets UK, EU, US, Australian
  • Can be used with all ranges of power cables
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Ex-Dem Black Ravioli Black Hole Signal Modules – HDMI

£495.00 £360.00
  • MCRU have some ex-dem, ex-review units to clear.
  • Only HDMI left
For an overview of what the Black Hole Concept can achieve: click here
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Ex-Dem Black Ravioli Black Hole Signal Modules – RCA

£502.60 £360.00
  • 2 available with captive RCA connectors
  • £360 each
For an overview of what the Black Hole Concept can achieve: click here
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FURUTECH FLOW-15 PLUS IN-LINE MAINS FILTER

£194.00
The Furutech Flow-15 Plus Inline Power Filter effectively removes all of that high-frequency noise from the mains power before it reaches your components.
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FURUTECH FLUX-50 NCF AC POWER FILTER

£790.00
Furutech Flux-50 NCF is a sophisticated Inline AC power filter that eliminates many common problems caused by contaminated electrical power lines.
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Furutech NCF Booster Brace – Single

£130.00
  • Information sheet here
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Furutech NCF Clear Line AC Optimiser

Rated 5.00 out of 5
£230.00£275.00
It takes just a moment to hear the difference that Furutech’s NCF Clear Line can make to your audio or video system. Why just a moment? Furutech’s Nano Crystal² Formula, also known as NCF, has resulted in a number of truly innovative and effective products over the past few years. NCF features a special crystalline material that has two distinct properties—it generates negative ions that eliminate static, and it converts thermal energy into far infrared. When combined with nano-sized ceramic particles and carbon powder, these crystals become the ultimate electrical and mechanical damping material. Created by Furutech, NCF is found exclusively in Furutech products and nowhere else. Now, Furutech has introduced perhaps the simplest way to implement NCF technology into your home—NCF Clear Line. Mono and Stereo Full Review Here
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IsoTek EVO3 Aquarius Mains Conditioner

Rated 5.00 out of 5
£1,595.00
  • Available in UK, EU, US, AU, CH and ZA sockets
  • Removes Common Mode and Differential Mode mains noise
  • RFI reduction 60dB
  • ONLY AVAILABLE WITH UK SOCKETS
  • WE DO NOT SELL ISOTEK OUTSIDE THE UK
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