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Thread: Celestion HF 1300 expert needed

  1. #11
    Join Date: Apr 2016

    Location: Bishops Stortford

    Posts: 507
    I'm Chris.

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    I have removed the brackets. Each driver is marked T314. and both measure about 12 ohms.

    Still firmly held, so if we are sure they come out through the front then I will gently chip away at the putty.

  2. #12
    Join Date: Feb 2008

    Location: Middlesex, UK

    Posts: 3,051
    I'm Alex.

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    Yes, looking again at your pics, I see what looks a bit like putty. In the LS3/6 and Export monitors, there is thin felt around the inside of the tweeter hole, and that makes a sort of seal. It seems a bit of a shame breaking them, they should sell on ebay, possibly for more that you get for the parts.

    It looks like you could remove quite a lot of the visible putty, then perhaps try some white spirit to soften the sealant.
    Spendorman

  3. #13
    Join Date: Apr 2016

    Location: Bishops Stortford

    Posts: 507
    I'm Chris.

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    Sorry, but my 'reply with quote' is not working either????

    Yes I'm very sorry to break them up but I even tried E bay at 20. Cost of postage too much I suppose. AND the wife has been giving me grief for them sitting around in the back bedroom for nearly two years. Incidentally the cabinets are solid mahogany and I will sneak them into the back of the shed.

    I will take small chippings of the putty and put them in different solvents and see if it softens.

  4. #14
    Join Date: Feb 2008

    Location: Middlesex, UK

    Posts: 3,051
    I'm Alex.

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    Apologies for the pic quality, but you can see that the two tweeters are mounted in a similar way in my LS3/6 / Export Monitors. HF1300 tweeter and HF2000 used as supertweeter

    DSCF9577 (2) by A60man, on Flickr
    Last edited by spendorman; 05-10-2017 at 11:48.
    Spendorman

  5. #15
    Join Date: Apr 2016

    Location: Bishops Stortford

    Posts: 507
    I'm Chris.

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    Thanks Alex, but that pussy cat is a bit of an extreme way to dampen the cabinets

  6. #16
    Join Date: Feb 2008

    Location: Middlesex, UK

    Posts: 3,051
    I'm Alex.

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    Quote Originally Posted by bumpy View Post
    Sorry, but my 'reply with quote' is not working either????

    Yes I'm very sorry to break them up but I even tried E bay at 20. Cost of postage too much I suppose. AND the wife has been giving me grief for them sitting around in the back bedroom for nearly two years. Incidentally the cabinets are solid mahogany and I will sneak them into the back of the shed.

    I will take small chippings of the putty and put them in different solvents and see if it softens.
    If you are going to keep the cabinets, why not keep the units in there too. I reckon that Radford speakers are going to rise in value in the future. Their valve amps are certainly very sought after, transistors ones not so much, but even those have risen in value recently (as long as they are working). I invested in a second hand STA25 III many years ago, was 150, now worth over 1000.
    Spendorman

  7. #17
    Join Date: Feb 2008

    Location: Middlesex, UK

    Posts: 3,051
    I'm Alex.

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    Quote Originally Posted by bumpy View Post
    Thanks Alex, but that pussy cat is a bit of an extreme way to dampen the cabinets
    Yes, notice her size, she was a big cat! shame she's no longer with us. The HF1300 should come out either from front or back. Either way, as I mentioned, be careful not to strain those wires. I suppose that you could carefully cut away the baffle board, but I suspect that it is fairly thick and tough wood. Masking tape could be used to cover the front of the tweeters.

    !2 Ohms resistance is just about right for the 16 Ohm HF1300
    Spendorman

  8. #18
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 38,499
    I'm Grant.

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    memory says they are fitted with a gasket that usually goes hard and grips solid. Usual method is to fit an oversized screw in on of holes and pull/push and it should free up
    Regards,
    Grant ....

    I've said it before and I'll say it again: democracy simply-doesn't-work
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  9. #19
    Join Date: Apr 2016

    Location: Bishops Stortford

    Posts: 507
    I'm Chris.

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    The putty is unaffected by all normal household solvents, so I am chipping it away slowly, being VERY careful around the wires - could be at this some time

  10. #20
    Join Date: Feb 2008

    Location: Middlesex, UK

    Posts: 3,051
    I'm Alex.

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    Perhaps try a little WD40.

    Those front metal grilles puzzle me a bit, even the old GEC tweeter from which I think the HF1300 is derived, have "normal" looking grilles.

    http://soundup.ru/images/stories/arc...-tweeter-8.jpg

    http://soundup.ru/images/stories/arc...-tweeter-7.jpg
    Spendorman

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