#11
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Yes, its clear that adding my Ethernet switch added some noise to the system that was both discernable and unpleasant. The cable is adding some sort of wonky noise or other distortion component, though, because I went back and just put one 1M Blue Jeans cable into the router directly from the Mac Mini, and heard these problems in the high frequencies. It was audibly quieter than the generic cable, I presume due to better construction and shielding, but the highs are too unpleasant to listen to, at least presently.
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Lumin P1 streamer/DAC/preamp, Constellation Inspiration integrated TT: Michell Gyro SE MkII, SME V, Koetsu Urushi Vermilion, EAR324. Harbeth 30.2s, REL R-305, Shunyata Alpha V2 ICs, Alpha V2 SPs, Sigma XC, Sigma NRv2, Omega QR-s & Alpha NRv2 PCs, segmented Altaira SG stack w/ Alpha & Omega CGCs, Everest 8000 PD. Remote Server Room: Uptone EtherREGEN, AfterDark Master Clock & LPS, Alita, Battle Angel, (Akasa NUC Roon Core), iFi DC Purifiers (for SMPS used for Alita & router), Shunyata Gemini combo power distributor & Altaira-type CG GP-NR hub, Venom & Alpha CGCs, Shunyata NRv14 power cords for digital components. |
#12
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Thanks for your post for this discussion. Yep, I read the Audiostream review of the GigaFoil V4 from info provided by Jim (Still-One). For The Love of Music is using Keces LPS's, too. With the very high-quality components of your digital front end, GigaFoil, two Keces LPS' and AQ Diamond Ethernet cables and the Audience PCs, I would expect it would sound very good indeed. I'm trying to do this on the cheap, though. I would estimate two Keces P-8 LPS, the GigaFoilV4, 2 X 0.75M AQ Diamond Ethernet cables & two Audience AU24SE MP PCs would cost approximately....$8000? It must sound fabulous...
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Lumin P1 streamer/DAC/preamp, Constellation Inspiration integrated TT: Michell Gyro SE MkII, SME V, Koetsu Urushi Vermilion, EAR324. Harbeth 30.2s, REL R-305, Shunyata Alpha V2 ICs, Alpha V2 SPs, Sigma XC, Sigma NRv2, Omega QR-s & Alpha NRv2 PCs, segmented Altaira SG stack w/ Alpha & Omega CGCs, Everest 8000 PD. Remote Server Room: Uptone EtherREGEN, AfterDark Master Clock & LPS, Alita, Battle Angel, (Akasa NUC Roon Core), iFi DC Purifiers (for SMPS used for Alita & router), Shunyata Gemini combo power distributor & Altaira-type CG GP-NR hub, Venom & Alpha CGCs, Shunyata NRv14 power cords for digital components. |
#13
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Blue Jeans Cable is responsive to any problems or questions as they stand behind their products —
"Here's something you won't find anywhere else: Ethernet patch cords for Cat 5e, 6 and 6a, with individual certification testing and a full-color test report printout on every cable. The great majority of Cat 6 and 6a Ethernet patch cords sold both in stores and online are non-compliant--our tests (see our article: Is Your Cat 6 a Dog?) show that very few of the cables which are sold and labeled as "Cat 6" comply with the specification, and many "Cat 6" cables don't even pass Cat 5e! We assemble our Ethernet patch cords in the USA using American-manufactured connectors and (in the case of 6 and 6a cables) American-manufactured, Belden bonded-pair cable stock, and we test every last assembly on a Fluke certification tester, so that you can be assured of really getting the performance that you've paid for." You should contact them with your findings Best of luck! Ron
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Ron Processor: McIntosh MX170, Amp: Legacy Audio i-V7, Digital: Benchmark DAC3B, Roon Music Player, Oppo UDP-205, Apple TV 4K, Fire TV Stick 4K Max, Analog: Gold Note Pianosa Turntable, Gold Note PH-10 Phono Preamplifier, Donatello MC Cartridge, Speakers: Legacy Audio Signature SE Natural Sapele Pommele, Silverscreen HD Center, JL Audio e112-Gloss Sub |
#14
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AQVox SE Internet switches, Keces P3 power supplies, and Gigafoils! You guys are frigin' killing' me!
I just ran new Cat6A cable to my router, to shorten my cable to my Lumin S-1, so that I could get away with a .75 meter Diamond ethernet cable. I thought I was done! I should know better! Damn it!!!
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VAC Master Line stage on Stillpoint Ultra SS VAC Signature 200iq monos on Stillpoint Ultra SS, MX-150 Parasound JC-1s (3), A-21 Kharma dB11-s Mains, Cremona M (center) Grand Pianos (rears) JL Audio Gotham G213 V1(1) F-112V1(1) F-112V2(1) Clearaudio Innovation Wood, Benz Micro Gullwing SLR Dynavector XX2 MK2 Ortofon Cadenza Bronze Audio Research Ref 2se phono Lumin X1 Lumin S1 Oppo-205 AudioQuest Hurricane HC, Tornado HC(2), and Thunder HC, Diamond RJ/E PS Audio P-10(2) AC-3, AC-5, AC-10 PCs. (6) dedicated 20 amp circuits, (6)Furutech outlets. (1) GDX-DR-NCF, (2) GDX-D Gold, (3) GDX-D Rhodium AZ Absolute Copper, and Clear Day Audio solid silver Bal ICs. WW Gold Eclipse 7 speaker cables. Rob |
#15
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No different then a boat at sea skipper, always gotta be ready [emoji851] |
#16
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My experience: digital and analog are very different. With digital, keeping it simple or KISS works for me.
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#17
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You are slowly arriving at the same conclusion i did. The culprit in my case was the FMC's not your Ethernet cables. When you first introduce the FMC's into your chain, what is perceived as an improvement in sound quickly turns into "a step backwards" as you say. I think the FMC's introduce the harsh highs you are experiencing by injecting noise from the conversion. Try removing them from your chain and listen for a few days and don't be surprised if the "harsh" is gone. A better fiber to copper conversion could be achieved via the GigaFoil v4. Looking past the industrial look, the execution and quality of the components seem solid and the positive reviews continue to roll in.
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Melco N1ZH60/2 ---> EtherRegen ---> Bricasti M1 SE DAC ---> ASR Emitter II Exclusive Version Blue w/Battery PSU ---> Eggleston Andra III speakers rolling on Stillpoints Ultra 5's ----> Dual Rythmik E15 Subs ---> all tied together Via MIT MA-X RCA IC and MIT Matrix SHD120 Rev.2 Bi-Wire speaker cables. |
#18
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True enough! Ok, Gigafoil, power supply, and AQ Diamond Ethernet cable on order! We shall see...
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VAC Master Line stage on Stillpoint Ultra SS VAC Signature 200iq monos on Stillpoint Ultra SS, MX-150 Parasound JC-1s (3), A-21 Kharma dB11-s Mains, Cremona M (center) Grand Pianos (rears) JL Audio Gotham G213 V1(1) F-112V1(1) F-112V2(1) Clearaudio Innovation Wood, Benz Micro Gullwing SLR Dynavector XX2 MK2 Ortofon Cadenza Bronze Audio Research Ref 2se phono Lumin X1 Lumin S1 Oppo-205 AudioQuest Hurricane HC, Tornado HC(2), and Thunder HC, Diamond RJ/E PS Audio P-10(2) AC-3, AC-5, AC-10 PCs. (6) dedicated 20 amp circuits, (6)Furutech outlets. (1) GDX-DR-NCF, (2) GDX-D Gold, (3) GDX-D Rhodium AZ Absolute Copper, and Clear Day Audio solid silver Bal ICs. WW Gold Eclipse 7 speaker cables. Rob |
#19
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"I think the FMC's introduce the harsh highs you are experiencing by injecting noise from the conversion." Respectfully, though, that's not the case, at least in my system, setup and room (everyone's system, setup and room are different, so YMMV). The FMCs clearly lowered the noise floor, increased the airiness, spaciousness of the presentation increased and smoothed out the extension of the highs/treble, so they made a notable improvement in the sound quality when I installed the run of fiber using the FMCs compared to the direct run of Cat 7 Ethernet cable to the Sonore. When I took out the Ethernet switch and Blue Jeans Ethernet cables, I got back to my gorgeous-sounding digital streaming front-end. When I put the back in the BJC Ethernet cables and Ethernet switch one-by-one, the strident highs and uncomfortable treble came back one-by-one and became cumulatively worse. The el-cheapo, generic Ethernet cables sound more pleasant than the BJC Ethernet cables, so its possible the BJCs need some burn-in.... I'm sure the GigaFoil V4 is great, but I would still need a long (~7M) run of "audiophile" Ethernet cable either before the GigaFoil or after the Gigafoil to the Rendu, and I simply can't afford that. Plus there's the $500 cost of the Gigafoil. So, far, the $65 investement in the FMCs and Tripp-Lite optical fiber have paid big dividends in audio quality over the 7M run of cheap Cat 7 Ethernet cable. The experiment continues....
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Lumin P1 streamer/DAC/preamp, Constellation Inspiration integrated TT: Michell Gyro SE MkII, SME V, Koetsu Urushi Vermilion, EAR324. Harbeth 30.2s, REL R-305, Shunyata Alpha V2 ICs, Alpha V2 SPs, Sigma XC, Sigma NRv2, Omega QR-s & Alpha NRv2 PCs, segmented Altaira SG stack w/ Alpha & Omega CGCs, Everest 8000 PD. Remote Server Room: Uptone EtherREGEN, AfterDark Master Clock & LPS, Alita, Battle Angel, (Akasa NUC Roon Core), iFi DC Purifiers (for SMPS used for Alita & router), Shunyata Gemini combo power distributor & Altaira-type CG GP-NR hub, Venom & Alpha CGCs, Shunyata NRv14 power cords for digital components. Last edited by Puma Cat; 04-08-2019 at 06:12 PM. |
#20
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We have native (fiber) SFP support in our product without requiring the use of FMC, and it is powered by our audiophile LPS, and another manufacturer is releasing an audiophile grade FMC. My point is that fiber conversion does not have to be bad.
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Peter Lie - LUMIN Firmware Lead |
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