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Thread: BNC Connector

  1. #1
    Join Date: May 2016

    Location: Notts

    Posts: 1,600
    I'm Geoff.

    Default BNC Connector

    I plan to make up a short cable to replace the RCA to RCA cable I am currently using to connect my Allo Digione to my DAC. I have the cable and a good quality RCA phono plug but need a BNC connector. Where can I get a good quality BNC connector that will allow me to use a fairly thin coaxial cable. I would prefer one that doesn't require special crimping tools.

    Alternatively, any ideas on where I can get a short ready made BNC to RCA cable. Ideally, 50cm or shorter, although it has to be very flexible so that it does not stress the sockets at each end.

    Thanks

    Geoff

  2. #2
    Join Date: Nov 2008

    Location: Valley of the Hazels

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    I'm AMusicFanNotAnAudiophile.

    Default

    Chris



    Common sense isn't anymore!

  3. #3
    Join Date: Jan 2009

    Location: Sheffield - UK

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    I'm Mark.

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    Or eBay. You need 50 Ohm ones (I think - doubting myself now).

    100% Analogue

  4. #4
    Join Date: May 2016

    Location: Much Wenlock

    Posts: 674
    I'm Gary.

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    I wouldn't think you will find any difference between an RCA-RCA or RCA-BNC in performance terms, I didn't notice any.

    If you are just making up a short lead I would have thought good RCA plugs at both ends would be OK.


    Quote Originally Posted by Sherwood View Post
    I plan to make up a short cable to replace the RCA to RCA cable I am currently using to connect my Allo Digione to my DAC. I have the cable and a good quality RCA phono plug but need a BNC connector. Where can I get a good quality BNC connector that will allow me to use a fairly thin coaxial cable. I would prefer one that doesn't require special crimping tools.

    Alternatively, any ideas on where I can get a short ready made BNC to RCA cable. Ideally, 50cm or shorter, although it has to be very flexible so that it does not stress the sockets at each end.

    Thanks

    Geoff

  5. #5
    Join Date: Nov 2008

    Location: Valley of the Hazels

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    Quote Originally Posted by YNWaN View Post
    Or eBay. You need 50 Ohm ones (I think - doubting myself now).
    75 ohms
    Chris



    Common sense isn't anymore!

  6. #6
    Join Date: May 2014

    Location: Solihull

    Posts: 379
    I'm Martin.

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    Why don't you just get an RCA to BNC adaptor? A few pence from Maplin
    There are gold plated ones as well
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  7. #7
    Join Date: May 2016

    Location: Notts

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    I'm Geoff.

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    Quote Originally Posted by ovlov854 View Post
    Why don't you just get an RCA to BNC adaptor? A few pence from Maplin
    There are gold plated ones as well
    See no point in adding an extra link in the chain if I am making a cable from scratch. The BNC socket on the Digione is much more securely mounted and seems to offer a more rigid (i.e. locking) connection.

    Geoff

  8. #8
    Join Date: Apr 2011

    Location: Dublin

    Posts: 201
    I'm Simon.

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    RS will have BNC solder/clamp plugs to suit. Probably for either RG59 type cable about 5mm diameter or RG174 roughly 3mm.

    Sent from my SM-G930F using Tapatalk
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  9. #9
    Join Date: May 2016

    Location: Notts

    Posts: 1,600
    I'm Geoff.

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    Thanks for all the suggestions. I have just bought this on Amazon UK https://www.amazon.co.uk/gp/product/...I2R2YFK8&psc=1

    The same cable is being sold by some retailers for much more so this seems a real bargain. The right angle connection is perfect for my needs so it's just a case of cutting it to length and soldering on a good rca plug. So cheap I'm not worried if it doesn't work out.

    Geoff

  10. #10
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

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    I'm AudioAl'sArbiterForPISHANTO.

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    Quote Originally Posted by ovlov854 View Post
    Why don't you just get an RCA to BNC adaptor? A few pence from Maplin
    There are gold plated ones as well
    'Cos it will sound cack

    Adaptors of any kind, on a signal lead (especially such a critical one as this), are about the worst possible bottleneck you can introduce into a system! Avoid at all costs.

    However, Geoff, you'll only get the full benefits of BNC, if you do it throughout, by replacing the RCA socket on your Allo Digione or DAC (whichever item currently isn't fitted with a BNC socket), and then fit a BNC plug at both ends of your respective cable.

    That's the only way of doing the job properly

    Marco.
    http://www.thestainedglasscompany.com

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