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Thread: Bargains on ebay? (Part 2)

  1. #1511
    Join Date: Jan 2009

    Location: Essex

    Posts: 38,151
    I'm openingabottleofwine.

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    Quote Originally Posted by BTH K10A View Post
    Yes Thorium is principally an alpha emitter but it's not unheard of that it can also emit small quamtities of beta and gamma radiation.

    I have some thoriated valves with noe uranuim glass that have radioactive warning notices so I would assume there are warnings wherever there is the sightest possibility of any type of radiation including alpha particles when the containment is fragile.
    Agree - the "containment" is fragile.
    Some photographic lenses used thoriated glass (for example the 55mm F/2 Steinheil lens). There was concern that being in close proximity to the eye (when fitted to a 35mm camera) there could be a health risk. The risk was minimal as the radiation was absorbed in the glass itself and blocked or absorbed by the metalwork of the lens and camera.
    Barry

  2. #1512
    Join Date: Nov 2013

    Location: Yorkshire

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    I'm Andr'e.


  3. #1513
    Join Date: Sep 2009

    Location: Bournemouth

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    I'm Dan.

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    Warped Facia.........Thats some heat to do this

    http://www.ebay.co.uk/itm/NAD-3020-A...item5b0bb4785f
    Pre and Power Amplifiers
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  4. #1514
    Join Date: Nov 2013

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    I'm Andr'e.


  5. #1515
    Join Date: Jan 2011

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    I'm Clark.


  6. #1516
    Join Date: Jan 2011

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    I'm Clark.


  7. #1517
    Join Date: Apr 2012

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    I'm Geoff.

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    Quote Originally Posted by BTH K10A View Post
    I think those EMI bass drivers might struggle with 1000 watts put through them.

    I mentioned those EV speakers last week. I see the price is zooming up.
    It is impossible for anything digital to sound analogue, because it isn't analogue!

  8. #1518
    Join Date: Nov 2013

    Location: Yorkshire

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    I'm Andr'e.

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    Good speakerz them Lecson's

  9. #1519
    Join Date: Feb 2008

    Location: Sunny (occasionally) Devon

    Posts: 1,761
    I'm Shane.

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    Pair of Heybrook HB3s. Mids need refoaming, but at 99p with 7 hours to go....

    http://www.ebay.co.uk/itm/Heybrook-H...:B:WNA:GB:3160
    Time flies like an arrow.
    Fruit flies like a banana.

  10. #1520
    Join Date: Oct 2013

    Location: Hartlepool

    Posts: 325
    I'm Martin.

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    Quote Originally Posted by shane View Post
    Pair of Heybrook HB3s. Mids need refoaming, but at 99p with 7 hours to go....

    http://www.ebay.co.uk/itm/Heybrook-H...:B:WNA:GB:3160
    Well worth a try, refoam the mids and give the x-overs to Paul (REFFC) of this parish to breathe on and you'll be surprised how capable they are.

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