iFi DC iPurifier

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Improves 5V-24V
power supplies

Active Noise
Cancellation®

Significant noise
floor reduction

Different DC
‘pigtails’ to suit

iPurifier DC-5.5x2.1_无阴影

ANC-

316xlogo_1

        转接线 5.5x2.1母转5.5x2

All the way to
3.5A / 84W

Military radar
tech for audio

50dB to 100dB
noise floor drop

Covers the
SMPS gamut

With trickle-down technology from Abbingdon Music Research (AMR), the very latest product from iFi is the DC iPurifier; a noise-cancellation product aimed to enhance the existing, ubiquitous Switch Mode Power Supply (SMPS).

Generic SMPS designs are very noisy because they were never intended for audiophile applications.

DC iPurifier webpage1        DC iPurifier webpage2-2

 

The DC iPurifier sits in-between the SMPS and the device such as; router, DAC, set top box, media streamer, laptop or desk mixer. And with the latest Active Noise Cancellation® technology, from 5 volts all the way up to 24 volts (up to 3.5 amps) the DC iPurifier sharply reduces noise to improve the quality of the device.

DC iP_LOGO

 

Got SMPS? Just add the DC iPurifier

iPurifier DC-5.5x2.1_无阴影

Generic Switch Mode Power Supply designs are noisy – but they were only intended for mainstream use so noise was never a consideration. Just insert the DC iPurifier between the existing noisy power supply and the source; noise is reduced by a factor of 316x to 100,000x.

Be it home or professional audio, this is the most simple and most effective way of improving audio performance from arguably, one of the most noisy sources in a computer audio system.

DCiPurifier_webpage

 

Active Noise Cancellation® derived from military radar technology

ANC-

Drawing from the military field (specifically the Thales Spectra radar cancellation system deployed in the French Dassault Rafale jet fighter), iFi adapted this technology to exclusively introduce the Active Noise Cancellation® (ANC®) audio power system.

ANC2

 
An enemy air defence radar will transmit at a certain frequency; when the enemy signal reaches the aircraft,
a receiver on board the aircraft will pick up the signal and a computer will analyse its base
frequency/modulations and produce an identical, but out-of-phase signal to cancel the enemy radar signal.

By generating a signal identical to the noise signal but in the exact opposite phase, it actively cancels all the incoming noise. ANC® is the perfect ‘antidote’ for power supply noise, the bane of all audio systems.

ACN

CHARTS - DC iPurifier

Across the audible range, measured noise is improved by 316x to 100,000x or by 50dB to 100dB respectively.

Sonically, the background and inner resolution to recordings is brought to the fore and no longer hidden. Sonics are much smoother, just like how good analogue should be. Nothing comes close.

 

1hz to 5ghz_logo

Ultra wide-band design, effective from 1Hz to above 5GHz

iFi leaves no stone unturned; the DC iPurifier is a ground-up, ultra-wide band design.

Effective from 1Hz all the way up to 5GHz. Crucially the strongest performance is in the audible range of 20Hz to 20KHz.

 

Compatible with all power supply designs 5V-24V/3.5A/84W

webpagephoto

The DC iPurifier handles 5v through to 24V. Takes up to 3.5A or 84W. For different types of DC barrel connectors, the DC iPurifier works with 5.5 x 2.1mm but also ships with adapters for 5.5×2.5mm and 3.5×1.35mm. These three fittings cover the gamut of DC barrel connectors.

Professional audio applications typically require a ‘centre negative’ power supply. To lower noise with the DC iPurifier, use a ‘centre positive’ power supply at the input and use a special white ‘inverter’ at the output.


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