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Author Topic: Ifi USB Purifier  (Read 5811 times)
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Shreekant Somany
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« on: September 30, 2015, 09:09:08 am »

I have come across this usb purifier made by Ifi  audio which claims to clean the data of all noise. this attached between the comp. & the dac.
Has anyone used it?
Is it worth trying?
Details are available on Ifi audio website if anyone wants to know more.
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shreekant
CoenP
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« Reply #1 on: October 31, 2015, 01:12:20 am »

Quote
iPurifier 2 – Active Asynch USB Purifier Hub!
 
Filter-packed to the nth degree

Southport, UK – 30st Oct 2015
 
 
Leading the field in USB audio technology

The iFi obsession with cleaning up the USB audio chain continues. Drawing from the knowledge pool of AMR and on the heels of the iUSB3.0 comes the iPurifier2. It is an Asynchronous Active USB Purifier Hub. It offers 100X to 100,000X [1] noise reduction for USB Power, underpinned by REclock®, REgenerate® and REbalance®. It is so intelligent, it is an active USB hub so it can extend USB lengths. Used at the end of the chain, just select the type A, B [2], C or micro USB connector version to enhance any and every USB audio device.
 
 
Features:

Active Noise Cancellation® military-grade circuit for 100X to 100,000X noise reduction

REgenerate® and REclock® asynchronous technology to eliminate jitter

REbalance® re-corrects USB signal balance to cancel DC offset noise

Compliant with USB Audio Class 2.0 for DSD/PCM/DXD formats (to 768kHz and beyond)

Aluminium aircraft-grade ‘Final’ connector (impedance 90 ohms)
4 versions – USB A, B, C and micro connections
 
The retail price of the iPurifier2 is US$109 (ex-tax) or Euro119 (incl VAT).
 
[1] Magnitude of improvement dependent upon where in the audible frequency range.

[2] Type B is available now, types A,C and micro USB to follow.

The price does not deter....

Regards, Coen
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Settings: Qn: , SFS: , timeres: XT tweaks: , buf: 4096, driver: 8 ms,

Audio PC (jan 19): XXHE PC v1 with RAMdisk w.o. videocard and 1 of 2 cpu fans + BRIX/USB3 storage musicserver. ETN to Fibre converters (linear supplies), 500m SFP modules & 5m OM4 cable. Power cable PE not connected, together with nos1 and poweramp in separate "audio" powerstrip.

Clarixa set + Intona (or Lush 1m), Phasure NOS1a-75B G3 USB (buf 16 ms)-> Blaxius ->SE EL95 (0,8W triode) + cheap link to Abaqus 300W plateamps> Bastanis cable-> Bastanis Sagarmatha Duo ("DIY").

[other sources: TD124/3009SII-i/Grace F9/lounge LCR phono; Rega Planet 1997 vintage]
Chris V
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« Reply #2 on: October 31, 2015, 09:24:04 am »

Hi Shreekant

Can you detail your PC playback system as shown here.

http://www.phasure.com/index.php?topic=124.0

That way people can better advise on improvements.


Cheers Chris
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Music on external hard drive with own power supply. Brains of the system is a Raspberry Pi running Moode Audio. The RPI has dedicated Longdog audio linear power supply.
Signal passes first to SW1X Signature USB to SPDIF  converter
Then to SW1X Signature DAC
Then to Stevens and Billington TVC
Then to modified vintage triode amplifier
Then to open baffle speakers with vintage alnico drivers. Grundig tweeter, Saba Greencone midrange, Altec 416 VOTT base.
Everything is silver wired including mains and speaker cables
xp9433
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« Reply #3 on: October 31, 2015, 09:44:08 am »

I suspect this new iFi iUSB 3.0 usb regenerator could be a better prospect.

http://www.computeraudiophile.com/f6-dac-digital-analog-conversion/ifi-iusb-3-0-universal-serial-bus-industry-standard-cables-connectors-and-communications-protocols-between-computers-and-electronic-devices-regenerator-xxx-pictures-25985/index3.html


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