Liam Posted March 16, 2016 Share Posted March 16, 2016 So here is where the DC iPurifier above will stay...... in the Retro 50 system. Nice improvement. Now to try the same configuration in the AMR system I simply cut the DC cable from the Aqvox PSU near it's USB adapter where it is normally connected to the power leg of the Gemini USB cable, and soldered in male and female connectors. Aqvox 5v USB Linear PSU>DC iPurifier>iPurifier2>Retro 50. LOUNGE:- Qobuz Studio>TP-Link RE650 WI-FI Extender>AfterDark Ethernet Cable>EtherREGEN/Farad Super3 PSU/Furutech AC input/Level2 DC cable/SR Purple fuse>AfterDark Ethernet Cable(1/2 Metre)>Lumin U1 Mini Streamer/LEEDH volume/External PliXiR BDC Elite 12v/4amp PSU>Oyaide DB-510 bnc-bnc Digital cable>MHDT Orchid Dac>Townshend DCT300 Interconnects>Airtight AMT-1S Amp>Townshend Isolda EDCT Speaker Cables>Speakers Revival Atalante 3. LIVING ROOM:-Qobuz Studio>Bluesound Node2i (streamer only)>Oyaide DB-510 bnc-bnc Digital Cable>iFi Retro 50 Dac-Amp>iFi LS3.5 Speakers. Various tweaks in both systems - tubes, footers, grounding, Shakti devices, Nordost QK1, Furutech fuses, resonance generators. Link to comment
Liam Posted March 24, 2016 Share Posted March 24, 2016 I took delivery of a second DC iPurifier recently for installation in the AMR lounge system, just like described above in the Retro 50 system. I am short the in-line socket to implement that though (on order). While waiting I have tried the DC iPurifier again in series with the iPower. When done before I preferred the iPower alone. Well I'm doing an about face. The DC iPurifier is doing the same thing in series after the iPower as it did in series with the Keces DC-116 Linear supply. The sound is 'richer', and more natural. This change gave me the impression, in my earlier report, that it was at the expense of transparency and soundstage depth. Having had time to acclimatise that is not the case. In fact now I feel deprived if I revert back to the iPower alone. That is no disrespect to the iPower, which I preferred to the linear supply. Rather it seems that the DC iPurifier brings it's own benefits on top. LOUNGE:- Qobuz Studio>TP-Link RE650 WI-FI Extender>AfterDark Ethernet Cable>EtherREGEN/Farad Super3 PSU/Furutech AC input/Level2 DC cable/SR Purple fuse>AfterDark Ethernet Cable(1/2 Metre)>Lumin U1 Mini Streamer/LEEDH volume/External PliXiR BDC Elite 12v/4amp PSU>Oyaide DB-510 bnc-bnc Digital cable>MHDT Orchid Dac>Townshend DCT300 Interconnects>Airtight AMT-1S Amp>Townshend Isolda EDCT Speaker Cables>Speakers Revival Atalante 3. LIVING ROOM:-Qobuz Studio>Bluesound Node2i (streamer only)>Oyaide DB-510 bnc-bnc Digital Cable>iFi Retro 50 Dac-Amp>iFi LS3.5 Speakers. Various tweaks in both systems - tubes, footers, grounding, Shakti devices, Nordost QK1, Furutech fuses, resonance generators. Link to comment
Dev Posted April 2, 2016 Share Posted April 2, 2016 Is there any plan for a version with higher ampere rating, like 6-7amps for music servers ? Link to comment
ginetto61 Posted June 14, 2016 Share Posted June 14, 2016 For those unfamiliar with the Acoustic Revive RR-888 it is a Schumann Resonance generator. It is not connected physically to the equipment, merely plugged in within the room. Image below...[ATTACH=CONFIG]24342[/ATTACH] Using a linear PSU is a well known/accepted way to improve it's performance. I got good results replacing the supplied smps with a Keces DC-116 linear PSU, in my main system... Hi ! thanks a lot for the interesting test. I wonder if, out of curiosity, you have tried the DC iPurifier also with the stock smps. Thanks a lot. Regards, gino Link to comment
Liam Posted June 17, 2016 Share Posted June 17, 2016 Hi ! thanks a lot for the interesting test. I wonder if, out of curiosity, you have tried the DC iPurifier also with the stock smps. Thanks a lot. Regards, gino Hi Gino, Sorry for delay in coming back to you. I hadn't tried the DC iPurifier in series with the stock Acoustic Revive RR-888 PSU and had put it away. This morning I got around to checking that out with the Retro 50 livingroom system. To be honest I didn't hear much if any difference with or without the DC iPurifier in series with the stock smps. Substituting the stock PSU with the 12v iFi iPower did improve sound quality though, adding more pleasing tonality and extra weight. Therefor I would suggest replacing the stock PSU with a 12v iFi iPower should give better value than adding the DC iPurifier to the stock smps. Do you actually have an Acoustic Revive RR-888? If so I have found that playing with different isolation or coupling under it has fairly profound affects on how I perceive the music from my two systems. This is at least as relevant as trying power supply improvements, in the magnitude of effects, but separate from. I recently installed new speaker cables in the main system in the lounge. This influenced me to look again at all my tweaks, including the Acoustic Revive setup in that room, and I ended up with some inverted cones (of unknown manufacture-bought from a friend many years ago) under the Revive, instead of a rubber/cork combination previously, and three other methods compared gave differing results. I am using the Keces DC-116 linear PSU again, direct into the Revive with the new arrangement. So there seems to be no one solution for me, and your experience may also differ. If you can you should try various options. Good luck. LOUNGE:- Qobuz Studio>TP-Link RE650 WI-FI Extender>AfterDark Ethernet Cable>EtherREGEN/Farad Super3 PSU/Furutech AC input/Level2 DC cable/SR Purple fuse>AfterDark Ethernet Cable(1/2 Metre)>Lumin U1 Mini Streamer/LEEDH volume/External PliXiR BDC Elite 12v/4amp PSU>Oyaide DB-510 bnc-bnc Digital cable>MHDT Orchid Dac>Townshend DCT300 Interconnects>Airtight AMT-1S Amp>Townshend Isolda EDCT Speaker Cables>Speakers Revival Atalante 3. LIVING ROOM:-Qobuz Studio>Bluesound Node2i (streamer only)>Oyaide DB-510 bnc-bnc Digital Cable>iFi Retro 50 Dac-Amp>iFi LS3.5 Speakers. Various tweaks in both systems - tubes, footers, grounding, Shakti devices, Nordost QK1, Furutech fuses, resonance generators. Link to comment
ginetto61 Posted June 17, 2016 Share Posted June 17, 2016 Hi Gino,Sorry for delay in coming back to you. I hadn't tried the DC iPurifier in series with the stock Acoustic Revive RR-888 PSU and had put it away. This morning I got around to checking that out with the Retro 50 livingroom system. To be honest I didn't hear much if any difference with or without the DC iPurifier in series with the stock smps. Substituting the stock PSU with the 12v iFi iPower did improve sound quality though, adding more pleasing tonality and extra weight. Therefor I would suggest replacing the stock PSU with a 12v iFi iPower should give better value than adding the DC iPurifier to the stock smps. Hi and thanks a lot for the very kind and helpful reply. This was indeed what i was interested to understand. I have already many smps at hand and the iPurifier is a very interesting device. Do you actually have an Acoustic Revive RR-888? Actually not. I am using a usb interface AD/DA that needs 12VDC/2A to work. So i am very interested about very clean 12VDC power solutions. I have seen some spikes on the noise floor using the stock and other cheap smps. I am not sure if they generated by the interface (and in this case there is nothing to do) or by noise coming from the cheap smps i have tried. Using a very clean 12VDC psu would give an answer. I should receive soon a supposedly better linear psu i ordered some weeks ago, in order to check if changing psu makes the spikes go away (i doubt that however). If so I have found that playing with different isolation or coupling under it has fairly profound affects on how I perceive the music from my two systems. This is at least as relevant as trying power supply improvements, in the magnitude of effects, but separate from. I recently installed new speaker cables in the main system in the lounge. This influenced me to look again at all my tweaks, including the Acoustic Revive setup in that room, and I ended up with some inverted cones (of unknown manufacture-bought from a friend many years ago) under the Revive, instead of a rubber/cork combination previously, and three other methods compared gave differing results. I am using the Keces DC-116 linear PSU again, direct into the Revive with the new arrangement. So there seems to be no one solution for me, and your experience may also differ. If you can you should try various options. Good luck. Nice psu the Keces indeed. The built quality looks very high. Keces DC 116 DC Regulated Linear Power Supply for Headphone Amplifier DAC Preamp | eBay I was trying to save money but i understand that an entry price for something good is around 4-500 USD ? this is more or less the price of the interface i am using. I will think about it. Thanks a lot again, gino Link to comment
Liam Posted June 17, 2016 Share Posted June 17, 2016 You are welcome Gino. I understand that you have a PSU coming, but you may be interested in these comparisons of various PSU. There are other reviews of the Keces online. There were initial reports of transformer hum in 50hz areas, but this was dealt with early on by the manufacturer. Mine is one of those and hum is not intrusive. Good luck in your quest. Great big power supply shootout. Teddy Pardo - DIY - Wallwart - Digital, DACs & Computer Audio - StereoNET LOUNGE:- Qobuz Studio>TP-Link RE650 WI-FI Extender>AfterDark Ethernet Cable>EtherREGEN/Farad Super3 PSU/Furutech AC input/Level2 DC cable/SR Purple fuse>AfterDark Ethernet Cable(1/2 Metre)>Lumin U1 Mini Streamer/LEEDH volume/External PliXiR BDC Elite 12v/4amp PSU>Oyaide DB-510 bnc-bnc Digital cable>MHDT Orchid Dac>Townshend DCT300 Interconnects>Airtight AMT-1S Amp>Townshend Isolda EDCT Speaker Cables>Speakers Revival Atalante 3. LIVING ROOM:-Qobuz Studio>Bluesound Node2i (streamer only)>Oyaide DB-510 bnc-bnc Digital Cable>iFi Retro 50 Dac-Amp>iFi LS3.5 Speakers. Various tweaks in both systems - tubes, footers, grounding, Shakti devices, Nordost QK1, Furutech fuses, resonance generators. Link to comment
ginetto61 Posted June 18, 2016 Share Posted June 18, 2016 You are welcome Gino. I understand that you have a PSU coming, but you may be interested in these comparisons of various PSU. There are other reviews of the Keces online. There were initial reports of transformer hum in 50hz areas, but this was dealt with early on by the manufacturer. Mine is one of those and hum is not intrusive. Good luck in your quest. Great big power supply shootout. Teddy Pardo - DIY - Wallwart - Digital, DACs & Computer Audio - StereoNET Hi again ! thanks a lot for the very interesting link. After reading all these very intriguing articles about power supplies and their impact on sound I have become a little obsessed about the topic. I understand that a scope would be necessary and a good one. Not cheap at all. Measuring very low noise and on a wide range of Hz is not a trivial task. However I believe also on well conducted listening tests. Problem is that a measurement could be much easier to perform once all the needed equipment is available. As I said my main target is a 12VDC/2A unit able to provide both low ripple and also high isolation from mains noise. In many cases this noise can be very detrimental for good sound. Thanks a lot again. Kind regards, gino Link to comment
Middy Posted June 18, 2016 Share Posted June 18, 2016 Looking at the SBOOSTER 13.2V for the Mytek Brooklyn. IFI DC seems a good addition... Link to comment
Liam Posted June 23, 2016 Share Posted June 23, 2016 "I am using the Keces DC-116 linear PSU again, direct into the Revive with the new arrangement." Just for information, today I have reverted to using the iPower with the DC iPurifier in series for the Acoustic Revive RR-888. LOUNGE:- Qobuz Studio>TP-Link RE650 WI-FI Extender>AfterDark Ethernet Cable>EtherREGEN/Farad Super3 PSU/Furutech AC input/Level2 DC cable/SR Purple fuse>AfterDark Ethernet Cable(1/2 Metre)>Lumin U1 Mini Streamer/LEEDH volume/External PliXiR BDC Elite 12v/4amp PSU>Oyaide DB-510 bnc-bnc Digital cable>MHDT Orchid Dac>Townshend DCT300 Interconnects>Airtight AMT-1S Amp>Townshend Isolda EDCT Speaker Cables>Speakers Revival Atalante 3. LIVING ROOM:-Qobuz Studio>Bluesound Node2i (streamer only)>Oyaide DB-510 bnc-bnc Digital Cable>iFi Retro 50 Dac-Amp>iFi LS3.5 Speakers. Various tweaks in both systems - tubes, footers, grounding, Shakti devices, Nordost QK1, Furutech fuses, resonance generators. Link to comment
Liam Posted June 30, 2016 Share Posted June 30, 2016 I got around to cutting into the Aqvox 5V PSU DC cable in the lounge system to implement the same tweak as in the Retro 50 system in the livingroom. As described earlier I solder in male and female connectors so that I can insert the iFi DC iPurifer in the iFi Gemini USB cable DC line between the Aqvox PSU and the iFi iPurifer 2 at the dac input. Photo below of the mod in the Retro system. The mod makes it simple to compare alternative PSU's and combinations as well. I preferred the combination of the Aqvox, but with the DC iPurifier between it and the iPurifer 2. The DC iPurifier between, as in the similar setup in the Retro system, brought richer tone than the Aqvox alone with the iPurifier 2. LOUNGE:- Qobuz Studio>TP-Link RE650 WI-FI Extender>AfterDark Ethernet Cable>EtherREGEN/Farad Super3 PSU/Furutech AC input/Level2 DC cable/SR Purple fuse>AfterDark Ethernet Cable(1/2 Metre)>Lumin U1 Mini Streamer/LEEDH volume/External PliXiR BDC Elite 12v/4amp PSU>Oyaide DB-510 bnc-bnc Digital cable>MHDT Orchid Dac>Townshend DCT300 Interconnects>Airtight AMT-1S Amp>Townshend Isolda EDCT Speaker Cables>Speakers Revival Atalante 3. LIVING ROOM:-Qobuz Studio>Bluesound Node2i (streamer only)>Oyaide DB-510 bnc-bnc Digital Cable>iFi Retro 50 Dac-Amp>iFi LS3.5 Speakers. Various tweaks in both systems - tubes, footers, grounding, Shakti devices, Nordost QK1, Furutech fuses, resonance generators. Link to comment
Duke40 Posted July 1, 2016 Author Share Posted July 1, 2016 @ Liam ... thank you for journalling your experience with the iFi Audio DC iPurifier over the last few months ... I have enjoyed reading your thoughts. Finally got around to buying some of these, have 4 of these DC iPurifiers on the way ... to experiment with on my headphone rig, which consists of Auralic Aries, Auralic Gemini 2000 DAC/AMP and 2 W4S Remedy Reclockers. The 4 DC Purifiers will be connected to the Aries LPS and a 100W HD-Plex LPS (no SMPS in the headphone rig), the LPS are connected to a Balanced Power Transformer supply. I will update the thread in a couple of weeks with my thoughts of the iFi DC iPurifier. John Speaker : iPhone 6S Plus > UpTone Audio USB Regen (x2) > Benchmark DAC1 Pre > Pass Labs INT-30A > Focal Micro Utopia BE Headphone : Auralic Aries > Auralic Gemini 2000 > Audeze LCD-X Power & Tweaks : Heaps of Balanced & Isolation Power supplies, Dedicated Line, Vinnie Rossi MINI PURE-DC-4EVR, HD-Plex LPSU, iFi Audio DC iPurifiers, DIY Resonance/Vibration platforms using Townshend Audio Seismic Isolation Pods Link to comment
Liam Posted July 2, 2016 Share Posted July 2, 2016 @ Liam ... thank you for journalling your experience with the iFi Audio DC iPurifier over the last few months ... I have enjoyed reading your thoughts. Finally got around to buying some of these, have 4 of these DC iPurifiers on the way ... to experiment with on my headphone rig, which consists of Auralic Aries, Auralic Gemini 2000 DAC/AMP and 2 W4S Remedy Reclockers. The 4 DC Purifiers will be connected to the Aries LPS and a 100W HD-Plex LPS (no SMPS in the headphone rig), the LPS are connected to a Balanced Power Transformer supply. I will update the thread in a couple of weeks with my thoughts of the iFi DC iPurifier. John Hi John, Looking forward to how you get on with iFi DC iPurifiers. Looking through the details of your gear it is obvious you have put a great deal of thought into it and the whole power supply issue to. A few things particularly caught my eye. The focal speakers, and the use of balanced power transformer supply. The latter have had some discussion recently here and I have just begun to do some research on them. The Pass Labs INT-30A, amongst other amps crossed my radar when deciding to forget about home theatre and selling my Arcam AVR-600 multi channel amp. I don't have opportunity here to listen to a variety of gear before purchase, so I ended up going for an all AMR dac and amp. No regrets though. Have fun! LOUNGE:- Qobuz Studio>TP-Link RE650 WI-FI Extender>AfterDark Ethernet Cable>EtherREGEN/Farad Super3 PSU/Furutech AC input/Level2 DC cable/SR Purple fuse>AfterDark Ethernet Cable(1/2 Metre)>Lumin U1 Mini Streamer/LEEDH volume/External PliXiR BDC Elite 12v/4amp PSU>Oyaide DB-510 bnc-bnc Digital cable>MHDT Orchid Dac>Townshend DCT300 Interconnects>Airtight AMT-1S Amp>Townshend Isolda EDCT Speaker Cables>Speakers Revival Atalante 3. LIVING ROOM:-Qobuz Studio>Bluesound Node2i (streamer only)>Oyaide DB-510 bnc-bnc Digital Cable>iFi Retro 50 Dac-Amp>iFi LS3.5 Speakers. Various tweaks in both systems - tubes, footers, grounding, Shakti devices, Nordost QK1, Furutech fuses, resonance generators. Link to comment
Middy Posted July 2, 2016 Share Posted July 2, 2016 Just jumped on Sbooster train via Mark Grant Cables For my Mytek. Reading this thread again I've just ordered one From David @MCRU. Happy with IFI IPURIFIER 2. Had great effects on my older OPPO HA1 with Chain cleaning with Caig Deoxit red / gold...New doesn't mean clean..just new... Now they are doing the SPDIF purifier... Looking forward to your thoughts and comment's. ..I will add anything of note as and when. .My new chain is a long way off burn in... Good luck Dave Link to comment
internethandle Posted July 3, 2016 Share Posted July 3, 2016 A word of caution to Schiit Wyrd owners (not too many here, I suspect, but some) - I was rather foolish and didn't check with iFi/Schiit/any other source before putting the DC iPurifier in between the Wyrd and its supplied wall wart. The Wyrd's wall wart is linearly regulated, so it's not a SMPS, at least according to Schiit, which I knew and had a suspicion could lead to problems with the DC iPurifier's advertised SMPS-oriented design. Anyway, the DC iPurifier fit with the help of one of the supplied leash-based adapters, but the iPurifier itself instantly became very, very warm, and over the course of a minute or so of being connected became so hot to the touch that I was worried it could, at the least, fry the iPurifier, if not be an outright fire hazard. The Wyrd powered on fine for the brief time I had it connected, and passed on the USB signal fine, as well, with maybe a slightly lower noise floor, but not much time to evaluate before I yanked the DC iPurifier from the Wyrd. The good news is I decided to put the DC iPurifier to use with my cable modem, which has produced a nice, noticeable drop in noise floor and just general "cleanliness" to the sound for streamed audio/YouTube/the like despite already using a (rather cheapo, eBay-purchased) LAN isolator already. Link to comment
Superdad Posted July 3, 2016 Share Posted July 3, 2016 A word of caution to Schiit Wyrd owners (not too many here, I suspect, but some) - I was rather foolish and didn't check with iFi/Schiit/any other source before putting the DC iPurifier in between the Wyrd and its supplied wall wart. The Wyrd's wall wart is linearly regulated, so it's not a SMPS, at least according to Schiit, which I knew and had a suspicion could lead to problems with the DC iPurifier's advertised SMPS-oriented design. …. Actually, the PS that comes with the Wyrd is not a regulated supply. You had problems because it is not a DC supply--it is an AC supply (basically just a step-down transformer). Schiit locates the rectifying (to DC) diodes, the caps, and the regulators inside the Wyrd's case. Of course the iFi Audio product is named the DC iPurifier… Hope nothing was damaged in your system. UpTone Audio LLC Link to comment
Middy Posted July 3, 2016 Share Posted July 3, 2016 Our AMR techs friends should be able to explain what's the issue.... I'd like to know just to expand my electrical knowledge which is UK 3 pin plugs. My friends thought it was funny as I just bought my first cheap multimeter for my diy headphone cable. They asked if it talks.... The voltage goes moo. The resistor goes quack quack..... Link to comment
Middy Posted July 3, 2016 Share Posted July 3, 2016 Actually, the PS that comes with the Wyrd is not a regulated supply. You had problems because it is not a DC supply--it is an AC supply (basically just a step-down transformer). Schiit locates the rectifying (to DC) diodes, the caps, and the regulators inside the Wyrd's case. Of course the iFi Audio product is named the DC iPurifier… Hope nothing was damaged in your system. Ah Cheers SD....Now if you can just go through electronics for Fisher Price using beginners.... A simple 3 year 10,,000 posts guide... That would be great..... But there maybe a high chance of early 'Resistance'... OR V = I / QUACK QUACK .... [emoji16] Link to comment
internethandle Posted July 3, 2016 Share Posted July 3, 2016 Actually, the PS that comes with the Wyrd is not a regulated supply. You had problems because it is not a DC supply--it is an AC supply (basically just a step-down transformer). Schiit locates the rectifying (to DC) diodes, the caps, and the regulators inside the Wyrd's case. Of course the iFi Audio product is named the DC iPurifier… Hope nothing was damaged in your system. Well... that's rather embarrassing. The thought had crossed my mind ("what if it got so hot because it's actually AC, not DC?"), but I'm so used to associating wall warts and the their associated barrel connector leashes/leads with DC power I just dismissed it from my mind. Glad I got the DC iPurifier out of there quickly! Interesting that the iPurifier even accepted, much less passed on to the Wyrd, the (filtered..?) AC for the brief period I tested it out. Everything does appear to be in order with my system, no SQ degradation or other issues, and the iPurifier has been working with my cable modem's (very much DC, I've checked now!) SMPS for over 24 hours now with no issues to speak of. I do worry I've shortened the iPurifier's lifespan, but I suppose that remains to be seen. Thanks for the insight. Link to comment
Middy Posted July 3, 2016 Share Posted July 3, 2016 Better than the house burning down.. Good call.... Link to comment
AMR/iFi audio Posted July 4, 2016 Share Posted July 4, 2016 A word of caution to Schiit Wyrd owners (not too many here, I suspect, but some) - I was rather foolish and didn't check with iFi/Schiit/any other source before putting the DC iPurifier in between the Wyrd and its supplied wall wart. The Wyrd's wall wart is linearly regulated, so it's not a SMPS, at least according to Schiit, which I knew and had a suspicion could lead to problems with the DC iPurifier's advertised SMPS-oriented design. Anyway, the DC iPurifier fit with the help of one of the supplied leash-based adapters, but the iPurifier itself instantly became very, very warm, and over the course of a minute or so of being connected became so hot to the touch that I was worried it could, at the least, fry the iPurifier, if not be an outright fire hazard. The Wyrd powered on fine for the brief time I had it connected, and passed on the USB signal fine, as well, with maybe a slightly lower noise floor, but not much time to evaluate before I yanked the DC iPurifier from the Wyrd. The good news is I decided to put the DC iPurifier to use with my cable modem, which has produced a nice, noticeable drop in noise floor and just general "cleanliness" to the sound for streamed audio/YouTube/the like despite already using a (rather cheapo, eBay-purchased) LAN isolator already. Hi, Just o reiterate the DC iPurifier is 'DC' only, so correct polarity must be observed and while reasonable protection is built-in, it has limits. AC plugtop supplies are rare but exist. When AC is applied or wrong polarity the polarity warning light will turn on, in this case disconnect the iPurifier DC immediately to avoid damage. If in doubt, open an STS. Cheers. Our PowerStation is here: click me! Check out our Tidal MQA Set-up Guides below. Android (Renderer) MobileDesktop (Decoder) via USBDesktop (Decoder) via SPDIF Link to comment
Middy Posted July 5, 2016 Share Posted July 5, 2016 Coming tomorrow hopefully from a Dave @MCRU... Does this have a burn in time also?..... Not AC burn in that is... No pun intended. ... Link to comment
Middy Posted July 8, 2016 Share Posted July 8, 2016 Well then..my spending spree has ended. Brooklyn...SBOOSTER. ... Now the DC purifier.. My kit still has the new smell on it but the new DC PURIFIER does seemed to have helped. The sound seems that little bit deeper and wider. Not a hard core review but to my ears better... early days with my kit yet. Any general improvements I'll pass on my thoughts... Link to comment
Middy Posted July 13, 2016 Share Posted July 13, 2016 I have messed up by introducing to many new items to judge real change. What I will have to do is remove all my additional kit then add back and note the perceived changes on my Mytek Brooklyn. I have 4 things in my chain all new and still burning in...Both brain and electronics . So apologies as I wait if you are interested in my basic impressions of the DC PURIFIER... Kind regards Dave Sent from my SM-G900F using Computer Audiophile mobile app Link to comment
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