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Thread: Dumpster K2 !

  1. #1
    Senior Member richluvsound's Avatar
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    Dumpster K2 !

    Hi All ,

    everything except adhesives is pre-owned or from a skip !
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  2. #2
    Senior Member richluvsound's Avatar
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    More Pics

    Sorry , there is no order.
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    Senior Member pos's Avatar
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    Nice!
    I thought you were doing Array clones?
    Do you put the horn in a separate dog box? If not, how do you seal it?

    It also looks like you are putting some sort of goop (ā la Westlake) on the braces (and surfaces I suppose)? Please tell us more about that.

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    Administrator Robh3606's Avatar
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    Looking good!

    Rob
    "I could be arguing in my spare time"

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    Senior Member spkrman57's Avatar
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    Great DIY project!

    I can't wait for pics of the finished product!

    Ron
    JBL Pro for home use!

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    Wow, that horn fabrication is a beauty!

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    Man, nice workshop! (Cabinets look pretty good too.)

  8. #8
    Senior Member richluvsound's Avatar
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    Sikalex !

    Quote Originally Posted by pos View Post
    Nice!
    I thought you were doing Array clones?
    Do you put the horn in a separate dog box? If not, how do you seal it?

    It also looks like you are putting some sort of goop (ā la Westlake) on the braces (and surfaces I suppose)? Please tell us more about that.
    Hi Thomas,

    sikaflex on anything that when tapped sounded too higher FQ .... the horn has the same material on it 20 mm thick . The horn is made of fibre glass matt then built up in Slate powder and resin mix .
    The mounting ring for the woofer is also floating on Sikaflex .

    The bottom curved panel is filled with sand and resin ,

    the baffle is 51mm thick and the cab walls are 40mm partical board .

    The base is 90 mm MDF and the top , removable , is 33mm laminated birch ply.

    As for the dog box ? I wanted to keep the size down and I'm hoping with the amount of damping on the horn I'll get away with without one . I will add one if needed .

    Decided to use 2234 and 2435, box tuned to around 35-40 htz . I wanted more punch and less boom !
    CC networks from yours truly , Maple veneer as its really cheap at the moment and I have some solid kicking around to use up .

    The mounting plates for the 2435 are laminated ally and Corian. I had collected all kinds of junk in the old workshop and have had to be quite inventive to make things work. The work shop belongs to a good friend who had stored the cabs for me until I was fit enough to do something with them .

    In exchange I'm teaching him how to turn things on a lathe, both metal and wood ... all I need now is a milling machine and I can start making heat sinks and face plates for amp building . I have access to a foundry to cast the heat sinks in bronze, copper or ally ....

    I'll post some more pics when I have had a chance to find my camera ...

    thanks for everything Pos.

    Richard

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    Looking good Rich, nice to see you back in the groove.
    Cooky

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    Reading the thread title, am I the only one here that thought Rich had found some K2's in a London dumpster

    ps. Those Westlake BBSM12's in Dublin are still for sale (I think).

  11. #11
    Senior Member richluvsound's Avatar
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    LOL

    Quote Originally Posted by Andyoz View Post
    Reading the thread title, am I the only one here that thought Rich had found some K2's in a London dumpster

    ps. Those Westlake BBSM12's in Dublin are still for sale (I think).
    yep, and there is a Pass Labs amp and a Accuphase CD player back in the shop !

    not this year dear ....

  12. #12
    Senior Member macaroonie's Avatar
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    Yumm

    I can see where this is heading. More pic lazy bones , it looks great so far. Flares are very very tasty

  13. #13
    Senior Member richluvsound's Avatar
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    Hey Fella,

    Got company for a couple of weeks so things have slowed up touch . Venner is being ordered as soon as I finish this reply

    more pics next week !

  14. #14
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    ...looks great so far.


    I have purchased some veneer for a new finish on a pair of VOTT cabs so I would like to see how this is done.

    Thx...

  15. #15
    Senior Member pos's Avatar
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    Quote Originally Posted by richluvsound View Post
    sikaflex on anything that when tapped sounded too higher FQ .... the horn has the same material on it 20 mm thick .
    I found that Sikaflex comes in many flavors:
    http://www.sikaindustry.com/ipd-ma-products
    Which one do you use? How do you apply it to get 20mm layers?
    It looks a lot like the famous westlake goop.

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