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Thread: Streaming via Coax

  1. #1
    Join Date: May 2018

    Location: Woking

    Posts: 482
    I'm Chris.

    Default Streaming via Coax

    My system is in that awesome period of final tweaks and finishing touches (yeah right . . . ).

    So I'm just looking to try some galvanic isolation to my streamer as it runs off some HDD's through powerline adapters (yes I know bad bad bad for the mains) but they are isolated from the ring my hifi is on at least.

    Just wondered if anyone has heard audible benefits to running coax adapters? Technically I can see the benefit as it stops electrical noise and interference, certainly more so than running straight from the adapter/router.

    I've also heard some people benefit from running a linear powered network switch/hub just before the streamer, any advice one this?

    Cheers.
    System 1: - Amp: Ming Da MC 368B -
    - Source: Linn LP12 (Denon 304) - Arcam rPhono - Pioneer N-30K - Musical Paradise MP-D1 mkII -
    - Speakers: Quad 63's - REL T3's -

    System 2 - Amp: Musical Paradise MP-701 - Neurochrome 686 -
    - Source: Audio Technica LP5 - EAR834p clone - Pioneer N-30K - Musical Paradise MP-D1 -
    - Speakers: Cambridge Acoustic "Grand Master Evolution"

    System 3: - Amp: Custom N-core 300B SEP -
    - Source: Novafidelity X12 - Jolida Glass FX III -
    - Speakers: Loth X BS1's - REL T3 -

  2. #2
    Join Date: Jan 2011

    Location: Wiltshire

    Posts: 169
    I'm Alastair.

    Default

    I have no experience with coax isolators, except my Allo Digione has galvanic isolation on its coax output. I have recently been battery powering an Ethernet switch I have just before my RPI and that seems to make an improvement- mainly on the depth and imaging. In fact, just having the switch there made a big improvement.

    Sent from my SM-G975F using Tapatalk
    Cheers

    Alastair

    RPi4/piCorePlayer/Oelbach Reclocker, MaxOak LiPo Battery -> Beresford Caiman SEG DAC with Dorado PSU-> Khozomo Passive Pre-Amp -> 4x Temple Audio Monoblocks powered by 2xLiFePO batteries->Van Damme Black Bi-Wired to B&W 804 Nautilus and Sommer Carbokab 225 Interconnects, Pangea USB cables

  3. #3
    Join Date: May 2018

    Location: Woking

    Posts: 482
    I'm Chris.

    Default

    Quote Originally Posted by Alp View Post
    I have recently been battery powering an Ethernet switch
    Nice, I might get a linear supply for a switch just before my streamer then try the coax adapters before and after the switch to gauge improvement.

    I used to power anything with batteries DAC's/SUT's/phono stages (low power ones anyway), but got quite fed up reconnecting/switching on the batteries each time and keeping track of when they needed replacing or charging etc.

    Improvements were usually noticeable though.

    I know the Temple Audio mono's are highly regarded when using their mains charged battery power supply so the theory can be implemented all round.

    Cheers
    System 1: - Amp: Ming Da MC 368B -
    - Source: Linn LP12 (Denon 304) - Arcam rPhono - Pioneer N-30K - Musical Paradise MP-D1 mkII -
    - Speakers: Quad 63's - REL T3's -

    System 2 - Amp: Musical Paradise MP-701 - Neurochrome 686 -
    - Source: Audio Technica LP5 - EAR834p clone - Pioneer N-30K - Musical Paradise MP-D1 -
    - Speakers: Cambridge Acoustic "Grand Master Evolution"

    System 3: - Amp: Custom N-core 300B SEP -
    - Source: Novafidelity X12 - Jolida Glass FX III -
    - Speakers: Loth X BS1's - REL T3 -

  4. #4
    Join Date: May 2012

    Location: Toulouse, France

    Posts: 5,083
    I'm Kevin.

    Default

    Surely the best galvanic isolation would be an optical cable?
    Kevin

    Too busy enjoying the music....

    European loan coordinator for Graham Slee HiFi system components..

  5. #5
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 69,018
    I'm Grant.

    Default

    not got this one but it gets a good name.. i have the usb version.

    https://ifi-audio.com/products/spdif-ipurifier/
    Regards,
    Grant .... ؠ

    I've said it before and I'll say it again: democracy simply-doesn't-work
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    OPPO BDP-103D - JBE SERIES 3/B&O SP1/PROJECT PHONOBOX DS2 USB - QUAD VENA 2 - IFI PURIFIER 2/TWIN PRO MONOBLOCK POWER AMPLIFIERS - LEAF HD BLUETOOTH - OPPO PM-3 PLANAR, SONY H900 & NURAPHONE HEADPHONES - ZBOOK/ IFI SILENCER/WIN10 PRO/ROON - SMSL M6 DAC & IFI SILENCER - RPI 3+, DIGIONE HAT/VOLUMIO2 - EDINGDALE MK1 SPEAKERS - CABLE INC CHORD, MOGAMI, SUPRA & WIREWORLD

    **Men are not punished for their sins, but by them**Don't be such a big girl's blouse!**
    ***SMILE, BE HAPPY***

    RIP Terry... "We use only the finest baby frogs, dew picked and flown from Iraq, cleansed in finest quality spring water, lightly killed, and then sealed in a succulent Swiss quintuple smooth treble cream milk chocolate envelope and lovingly frosted with glucose."

  6. #6
    Join Date: May 2018

    Location: Woking

    Posts: 482
    I'm Chris.

    Default

    Quote Originally Posted by CageyH View Post
    Surely the best galvanic isolation would be an optical cable?
    Aiming to isolate the streamer also. Plus my coax cable sounds better with my DAC.

    Admittedly I'm not quite up to speed on the validity or necessity of galvanic isolation and where it would be most usefully implemented, but if I can make the "barrier" as early on in the chain as possible, that seems logical to me.
    System 1: - Amp: Ming Da MC 368B -
    - Source: Linn LP12 (Denon 304) - Arcam rPhono - Pioneer N-30K - Musical Paradise MP-D1 mkII -
    - Speakers: Quad 63's - REL T3's -

    System 2 - Amp: Musical Paradise MP-701 - Neurochrome 686 -
    - Source: Audio Technica LP5 - EAR834p clone - Pioneer N-30K - Musical Paradise MP-D1 -
    - Speakers: Cambridge Acoustic "Grand Master Evolution"

    System 3: - Amp: Custom N-core 300B SEP -
    - Source: Novafidelity X12 - Jolida Glass FX III -
    - Speakers: Loth X BS1's - REL T3 -

  7. #7
    Join Date: May 2018

    Location: Woking

    Posts: 482
    I'm Chris.

    Default

    Quote Originally Posted by struth View Post
    not got this one but it gets a good name.. i have the usb version.

    https://ifi-audio.com/products/spdif-ipurifier/
    Thanks Grant, I have actually tried this a while ago (admittedly when the system was no where near as far along as it is now) but I didn't like it. Even ran it off a separate power supply but it just didn't sound right to me.

    Good fun trying though. I have a few other iFi products which really did make a difference. They are engineered very well and make sense in what they do.
    System 1: - Amp: Ming Da MC 368B -
    - Source: Linn LP12 (Denon 304) - Arcam rPhono - Pioneer N-30K - Musical Paradise MP-D1 mkII -
    - Speakers: Quad 63's - REL T3's -

    System 2 - Amp: Musical Paradise MP-701 - Neurochrome 686 -
    - Source: Audio Technica LP5 - EAR834p clone - Pioneer N-30K - Musical Paradise MP-D1 -
    - Speakers: Cambridge Acoustic "Grand Master Evolution"

    System 3: - Amp: Custom N-core 300B SEP -
    - Source: Novafidelity X12 - Jolida Glass FX III -
    - Speakers: Loth X BS1's - REL T3 -

  8. #8
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 69,018
    I'm Grant.

    Default

    Quote Originally Posted by Opti-cal View Post
    Thanks Grant, I have actually tried this a while ago (admittedly when the system was no where near as far along as it is now) but I didn't like it. Even ran it off a separate power supply but it just didn't sound right to me.

    Good fun trying though. I have a few other iFi products which really did make a difference. They are engineered very well and make sense in what they do.
    interesting. the usb one works well.. i was considering one, but dont think i will bother now.
    Regards,
    Grant .... ؠ

    I've said it before and I'll say it again: democracy simply-doesn't-work
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    OPPO BDP-103D - JBE SERIES 3/B&O SP1/PROJECT PHONOBOX DS2 USB - QUAD VENA 2 - IFI PURIFIER 2/TWIN PRO MONOBLOCK POWER AMPLIFIERS - LEAF HD BLUETOOTH - OPPO PM-3 PLANAR, SONY H900 & NURAPHONE HEADPHONES - ZBOOK/ IFI SILENCER/WIN10 PRO/ROON - SMSL M6 DAC & IFI SILENCER - RPI 3+, DIGIONE HAT/VOLUMIO2 - EDINGDALE MK1 SPEAKERS - CABLE INC CHORD, MOGAMI, SUPRA & WIREWORLD

    **Men are not punished for their sins, but by them**Don't be such a big girl's blouse!**
    ***SMILE, BE HAPPY***

    RIP Terry... "We use only the finest baby frogs, dew picked and flown from Iraq, cleansed in finest quality spring water, lightly killed, and then sealed in a succulent Swiss quintuple smooth treble cream milk chocolate envelope and lovingly frosted with glucose."

  9. #9
    Join Date: May 2018

    Location: Woking

    Posts: 482
    I'm Chris.

    Default

    For clarification I'm aiming to galvanic-ally isolate the entire streamer and everything down chain from that.

    So the chain will go -- HDD -- Network switch -- powerline adapter -- Coax adapter (send) -- GALVANIC ISOLATION -- Coax adapter (receive) -- Streamer (ethernet in) . . . . .

    Hope that makes sense, admittedly it is a bit convoluted and not many have tried it would seem, but I enjoy trying things out even if they are a bit far fetched/unnecessary!
    System 1: - Amp: Ming Da MC 368B -
    - Source: Linn LP12 (Denon 304) - Arcam rPhono - Pioneer N-30K - Musical Paradise MP-D1 mkII -
    - Speakers: Quad 63's - REL T3's -

    System 2 - Amp: Musical Paradise MP-701 - Neurochrome 686 -
    - Source: Audio Technica LP5 - EAR834p clone - Pioneer N-30K - Musical Paradise MP-D1 -
    - Speakers: Cambridge Acoustic "Grand Master Evolution"

    System 3: - Amp: Custom N-core 300B SEP -
    - Source: Novafidelity X12 - Jolida Glass FX III -
    - Speakers: Loth X BS1's - REL T3 -

  10. #10
    Join Date: May 2018

    Location: Woking

    Posts: 482
    I'm Chris.

    Default

    Quote Originally Posted by struth View Post
    interesting. the usb one works well.. i was considering one, but dont think i will bother now.
    Might still be worth a try in your system Grant, as I say it is horses for courses and it may react differently in your system.

    One thing I have really gotten on with is this:

    https://www.amazon.co.uk/iFi-iPurifi...xpY2s9dHJ1ZQ==

    In some positions it does sanitise the sound and things get a bit over-smooth but overall for me, it does improve things. Does some clever phase analysing business and can also reverse ground loops apparently.
    System 1: - Amp: Ming Da MC 368B -
    - Source: Linn LP12 (Denon 304) - Arcam rPhono - Pioneer N-30K - Musical Paradise MP-D1 mkII -
    - Speakers: Quad 63's - REL T3's -

    System 2 - Amp: Musical Paradise MP-701 - Neurochrome 686 -
    - Source: Audio Technica LP5 - EAR834p clone - Pioneer N-30K - Musical Paradise MP-D1 -
    - Speakers: Cambridge Acoustic "Grand Master Evolution"

    System 3: - Amp: Custom N-core 300B SEP -
    - Source: Novafidelity X12 - Jolida Glass FX III -
    - Speakers: Loth X BS1's - REL T3 -

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