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Thread: Kef 104/2 - donut replacement

  1. #1
    Join Date: Aug 2012

    Location: Eton wick

    Posts: 1,695
    I'm Philip.

    Default Kef 104/2 - donut replacement

    Has anyone done this?
    If so, is soldering required, or are tne connections push/pull connectors like tnose for tne tweeter and mid?

    Thanks.

  2. #2
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 6,882
    I'm Lawrence.

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    It was a while ago, but I think the wires were long enough to get them out to do without disconnecting.

    If they are the biwire version then you will need to do the surrounds too. The earlier single wire version had rubber surrounds.

    Sent from my BLN-L21 using Tapatalk

  3. #3
    Join Date: Aug 2012

    Location: Eton wick

    Posts: 1,695
    I'm Philip.

    Default

    Thanks... very helpful.
    Who’d have thought that.
    Would’d have thought the older ones would last longer!

    Quote Originally Posted by Lawrence001 View Post
    It was a while ago, but I think the wires were long enough to get them out to do without disconnecting.

    If they are the biwire version then you will need to do the surrounds too. The earlier single wire version had rubber surrounds.

    Sent from my BLN-L21 using Tapatalk

  4. #4
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 6,882
    I'm Lawrence.

    Default

    I know, the foam surrounds may have been an upgrade sound wise, the later 103/4 also used them.

    I'm sure when I fitted new donuts, the top woofers could just be manoeuvred to sit on top of the speakers without removing the cables. (With a cloth to protect the veneer.) The bottom ones I think I placed on a chair next to the speaker. Or did I put them on their side and use the floor..? Probably both, I've done 3 pairs.

    Sent from my BLN-L21 using Tapatalk

  5. #5
    Join Date: Aug 2012

    Location: Eton wick

    Posts: 1,695
    I'm Philip.

    Default

    Thanks.
    I wish i’d learnt to solder!

    Quote Originally Posted by Lawrence001 View Post
    I know, the foam surrounds may have been an upgrade sound wise, the later 103/4 also used them.

    I'm sure when I fitted new donuts, the top woofers could just be manoeuvred to sit on top of the speakers without removing the cables. (With a cloth to protect the veneer.) The bottom ones I think I placed on a chair next to the speaker. Or did I put them on their side and use the floor..? Probably both, I've done 3 pairs.

    Sent from my BLN-L21 using Tapatalk

  6. #6
    Join Date: Sep 2013

    Location: North Island New Zealand

    Posts: 1,757
    I'm Chris.

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    Quote Originally Posted by philv View Post
    Thanks.
    I wish i’d learnt to solder!
    Never too late to learn. https://www.youtube.com/watch?v=Qps9woUGkvI

  7. #7
    Join Date: Apr 2012

    Location: N E Kent

    Posts: 51,625
    I'm Geoff.

    Default

    Quote Originally Posted by philv View Post
    I wish i’d learnt to solder!
    Give it a go. It's not exactly difficult. Especially if you are just undoing old joints, then resoldering them. Should be dead easy.

    I've been soldering and unsoldering speaker units all day, testing drivers for a project. It only takes a moment to unsolder unless the wire has been wrapped around the terminal or fed through a hole, even so no big deal.




    (just did a count, I've soldered and unsoldered three pairs of bass drivers and twelve sets of tweeters today, not to mention crossovers, I think I've got it sorted now )
    Last edited by walpurgis; 19-01-2019 at 23:25.
    It is impossible for anything digital to sound analogue, because it isn't analogue!

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