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Thread: Cables... advice on what digital cables to use

  1. #31
    Join Date: Nov 2008

    Location: Valley of the Hazels

    Posts: 8,942
    I'm AMusicFanNotAnAudiophile.

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    Quote Originally Posted by goraman View Post
    I was pointing to the cable specs as far as bandwith.
    But it is true all round connectors will be under 75 ohms.
    Amphonal makes some of the best commercial connectors for coax , I wish they did more for audio.
    There BNC stuff is really good.
    There's nothing to stop you using BNC coax connectors in place of RCA connectors.
    The oft quoted 75 ohms is of no relevance - it's not DC resistance. It's 75 ohms impedance, so only of relevance when you're dealing with frequencies far above what's considered to be those of human hearing range.
    Radio frequencies.

    BNC connectors would give a good, tight connection on interconnects.
    A pain in the backside to fit, but a decent audio connector nonetheless.
    Chris



    Common sense isn't anymore!

  2. #32
    Join Date: Sep 2015

    Location: north London

    Posts: 83
    I'm John.

    Default Optical vs Coax

    I've been following this interesting thread, but, as usual, got lost in the technical stuff a few posts in!
    It did get me thinking about optical vs coax though. I use two digital cables into my Roksan DAC; a Atlas coax from the cdp (£40) and a cheap optical (£5)from the DAB tuner. I decided on this set up after listening and swapping cables around and felt that the coax was - as mentioned in this discussion - darker sounding, so chose it for the cpd, which I listen to most. I didn't even consider buying a quality optical thinking they're all much of a muchness, but after reading the discussion maybe I should. Atlas do a toslink for about £40. Getting one of these would also make all my inter-connects the same model of the same brand. My questions are; is it worth spending the cash on presumably a better quality optical lead, and does it benefit overall SQ of the set up if all interconnects are by the same manufacturer, and the same model?
    Turntable: Thorens TD160 with Linn Basik LVX arm and Nagaoka MP200 cartridge. Played through a Trichord Dino Mk3 Phono Stage with dedicated PSU
    CD: Marantz CD6006 DAC: NAD Wireless DAC2. Amps: Rotel RA-01 (pre) Roksan K2 (power) DAB Tuner: Cambridge Audio Azur 650T Speakers: Spendor SP1 006230/1 (1988) Speaker Cable: Van-Damme UP-LCOFC HiFi 4mm Inter-connects: Atlas Element Integra

  3. #33
    Join Date: Sep 2013

    Location: North Island New Zealand

    Posts: 1,434
    I'm Chris.

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    Quote Originally Posted by Stratmangler View Post
    There's nothing to stop you using BNC coax connectors in place of RCA connectors.
    The oft quoted 75 ohms is of no relevance - it's not DC resistance. It's 75 ohms impedance, so only of relevance when you're dealing with frequencies far above what's considered to be those of human hearing range.
    Radio frequencies.

    BNC connectors would give a good, tight connection on interconnects.
    A pain in the backside to fit, but a decent audio connector nonetheless.
    As I understand the question is " Advice on what digital cable to use" Coax cable or optical cable remain the correct choices for consumers using digital cable
    http://audioworkshop.org/downloads/A...RFACEaes93.pdf

    Deviation from impedance of 75 ohms including cable interfaces simply invites error known as jitter, as you are then moving away from the needed properties of coax
    BNC you are right happens to be a well designed coax cable interface.

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