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  1. #151

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    MLS - very nice work indeed!!! I hope you are enjoying the results!!!
    Statistics show that 98% of us will die at some point in our lifetime.

    The other 2% will work for WalMart.

  2. #152

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    Quote Originally Posted by PolkMaster1 View Post
    Replacing the stock interconnect with binding posts and a heavy guage speakerwire (say 12 guage or higher) with spades will expand the soundstage over and beyond the stock interconnect. I hope to receive my AI case soon to start building the dreadnought and take the soundstage even further.

    Make sure to use quality speakerwire to get the best results.

    I'l be using MIT Shotgun S1 Bi wired speaker cables with my 1.2tl's
    Polk Audio SDA SRS 1.2TL's
    With new Exotic wood, Sonicaps, Mills & RDO198's - Born on 4-24-1989 and Signed by Matthew Polk!!!!


    My Polk SDA SRS 1.2TL's http://www.LASAREATH.com/


    It All Started here: http://tinyurl.com/lasareath2

    Part Deux: http://tinyurl.com/lasareath3

    Car Stereo---->http://www.salsleaf.com/leaf_stereo/index.htm<---- NEW for 2013

  3. #153

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    Quote Originally Posted by MillerLiteScott View Post
    This is a solution to house the Avel transformer I came up with in mid 2008 to match my SDA2BTL's. I painted my 2B's end caps black so I made this black oak box to house the transformer. In early 2009 I cut some scrap 20 oz roofing copper to shield the transformer after the potato thread of the time. Since then it has basically been out of site out of mind for me.
    Very nice! I thought about making my own box as well. Where did you get the copper roofing material from?
    "Science is suppose to explain observations not dismiss them as impossible" - Norm on AA; 2.3TL's w/sonicaps/mills, polyswitches removed, Lg Solen inductors, RD-0198's, MW's dynamatted, Armaflex speaker gaskets, H-nuts, brass spikes, Cardas CCGR BP's, upgraded IC Cable, Black Hole Damping Sheet strips installed on back wall behind MW's & Tweeters, interior of cabinets sealed, AI-1 interface with 1000VA A-L transformer

  4. #154

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    Quote Originally Posted by Lasareath View Post
    I'l be using MIT Shotgun S1 Bi wired speaker cables with my 1.2tl's
    Nice cables. I am not certian yet whether to use my own custom cables or use something less expensive - like MIT Shotgun Cables.
    Statistics show that 98% of us will die at some point in our lifetime.

    The other 2% will work for WalMart.

  5. #155

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    Quote Originally Posted by drumminman View Post
    Very nice! I thought about making my own box as well. Where did you get the copper roofing material from?
    I too would be interested in the copper roofing material. Could aluminum be used as a cheaper substitute, or are the properties of aluminum covering inhibit the effectiveness of shielding compared to copper material?
    Statistics show that 98% of us will die at some point in our lifetime.

    The other 2% will work for WalMart.

  6. #156

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    please delete this post.....
    Last edited by Lasareath; 01-11-2012 at 01:29 PM.

  7. #157

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    I think I want to use copper a well. Where can I find it?

    Here are some pics of the par-metal case. I bought handles as well because I'm having a 1/4" aluminum faceplate made up.











    Sal

  8. #158

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    Sal -

    Very nice work!!! I placed the order for my enclosure over the weekend and hope to have it as quickly as you did. My transformer arrived 14 months ago. I was entangled in a "small delay" on purchasing the enclosure at that time. I hope my enclosure project comes as close as yours in the results department.

    Will you be using any feet on the enclosure? If so, where are you getting the feet from?
    Statistics show that 98% of us will die at some point in our lifetime.

    The other 2% will work for WalMart.

  9. #159

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    Quote Originally Posted by PolkMaster1 View Post
    Sal -

    Very nice work!!! I placed the order for my enclosure over the weekend and hope to have it as quickly as you did. My transformer arrived 14 months ago. I was entangled in a "small delay" on purchasing the enclosure at that time. I hope my enclosure project comes as close as yours in the results department.

    Will you be using any feet on the enclosure? If so, where are you getting the feet from?

    I want to use spikes and I think I'm going to use 3 in a triangular pattern. two in the front and one in the back.
    Polk Audio SDA SRS 1.2TL's
    With new Exotic wood, Sonicaps, Mills & RDO198's - Born on 4-24-1989 and Signed by Matthew Polk!!!!


    My Polk SDA SRS 1.2TL's http://www.LASAREATH.com/


    It All Started here: http://tinyurl.com/lasareath2

    Part Deux: http://tinyurl.com/lasareath3

    Car Stereo---->http://www.salsleaf.com/leaf_stereo/index.htm<---- NEW for 2013

  10. #160

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    Quote Originally Posted by Lasareath View Post
    I want to use spikes and I think I'm going to use 3 in a triangular pattern. two in the front and one in the back.
    Where do you plan to get the spikes from? And what binding posts do you plan to use?
    Statistics show that 98% of us will die at some point in our lifetime.

    The other 2% will work for WalMart.

  11. #161

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    Quote Originally Posted by Lasareath View Post
    two in the front and one in the back.
    It's just too hard to pass up........






    That's what she said

  12. #162

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    Quote Originally Posted by PolkMaster1 View Post
    Where do you plan to get the spikes from? And what binding posts do you plan to use?
    I'm thinking these for the spikes: http://meniscusaudio.com/mini-mirror...nts-p-206.html

    Currently F1nut (Jesse) and I are working on making new custom made Pin/Blade Plugs and Sockets. I plan on using (2) Pin/Blade sockets on the back of the Par-Metal case and that will allow me to use two Pin/Blade cables to connect to my stock Pin/Blade sockets on the back of my 1.2TL's

    Since we'll have thousands of these connectors I'll be able to make them to length so that they are as short as possible.
    Polk Audio SDA SRS 1.2TL's
    With new Exotic wood, Sonicaps, Mills & RDO198's - Born on 4-24-1989 and Signed by Matthew Polk!!!!


    My Polk SDA SRS 1.2TL's http://www.LASAREATH.com/


    It All Started here: http://tinyurl.com/lasareath2

    Part Deux: http://tinyurl.com/lasareath3

    Car Stereo---->http://www.salsleaf.com/leaf_stereo/index.htm<---- NEW for 2013

  13. #163

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    Hey Lasareath,

    What power amps will you be using with your new Dreadnought? Common ground or not?

    Nice work BTW.
    "Science is suppose to explain observations not dismiss them as impossible" - Norm on AA; 2.3TL's w/sonicaps/mills, polyswitches removed, Lg Solen inductors, RD-0198's, MW's dynamatted, Armaflex speaker gaskets, H-nuts, brass spikes, Cardas CCGR BP's, upgraded IC Cable, Black Hole Damping Sheet strips installed on back wall behind MW's & Tweeters, interior of cabinets sealed, AI-1 interface with 1000VA A-L transformer

  14. #164

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    Quote Originally Posted by PolkMaster1 View Post
    I too would be interested in the copper roofing material. Could aluminum be used as a cheaper substitute, or are the properties of aluminum covering inhibit the effectiveness of shielding compared to copper material?
    Quote Originally Posted by Lasareath View Post
    I think I want to use copper a well. Where can I find it?
    Aluminum is 40% less conductive than copper and is 9% less conductive than gold. Aluminum has the advantage that its conductivity to weight ratio (specific conductivity) is twice that of copper.

    An aluminum wire with the same conductivity, or current capacity, as a copper wire will be 40% larger, but will have half the weight and lower cost. Aluminum typically costs 7% to 100% less than copper depending on market conditions and the application requirements. That is why aluminum is widely used for electric transmission lines, transformers and electronic gear cases that must have shielding properties.
    "Polk SDA-SRSs are hopelessly out of date both sonically and technologically... I see no value whatsoever in older SDA speakers."~Audio Asylum Member
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  15. #165

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    Thanks.

    Musical Fidelity Tri-Vista 300. It's a dual mono design on one chassis.


    Quote Originally Posted by drumminman View Post
    Hey Lasareath,

    What power amps will you be using with your new Dreadnought? Common ground or not?

    Nice work BTW.

  16. #166

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    Quote Originally Posted by Lasareath View Post
    Thanks.

    Musical Fidelity Tri-Vista 300. It's a dual mono design on one chassis.
    Would I be correct in assuming it's common ground?
    "Science is suppose to explain observations not dismiss them as impossible" - Norm on AA; 2.3TL's w/sonicaps/mills, polyswitches removed, Lg Solen inductors, RD-0198's, MW's dynamatted, Armaflex speaker gaskets, H-nuts, brass spikes, Cardas CCGR BP's, upgraded IC Cable, Black Hole Damping Sheet strips installed on back wall behind MW's & Tweeters, interior of cabinets sealed, AI-1 interface with 1000VA A-L transformer

  17. #167

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    It's a dual mono design on one chassis.
    It's two.

    Would I be correct in assuming it's common ground?
    It is not common ground.
    'Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."

  18. #168

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    Sal -

    I am thinking of using handles for my Dreadnought. Assuming you got the handles from Par-Metal, what is the part number?

    Thanks.
    Statistics show that 98% of us will die at some point in our lifetime.

    The other 2% will work for WalMart.

  19. #169

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    Not to hijack this thread, but -

    Recently I replaced the stock interconnect cable with binding posts and a custom made speaker cable. All I can say is WOW!!! WHAT A DIFFERENCE!!!! I notice a HUGE improvement in the SDA effect over the stock cable. I would go as far as to say that the SDA 3D effect is on steroids!!! Its really like being there - the SDA effect feels like a full 360 degrees.

    I do admit that the sample set is small at the moment as I am using Blu-Ray movies as the source of playback. But damn it is good!!!

    I am going through with the dreadnought project though, so this question is for Darque Knight as well as others who may have went down this path. What improvement should I expect going from the custom binding post-custom cable solution to the dreadnought?

    Thanks all.

    PM1
    Statistics show that 98% of us will die at some point in our lifetime.

    The other 2% will work for WalMart.

  20. #170

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    Quote Originally Posted by PolkMaster1 View Post
    Sal -

    I am thinking of using handles for my Dreadnought. Assuming you got the handles from Par-Metal, what is the part number?

    Thanks.
    Sorry, been working like crazy and haven't checked back here in a while. 60-0375x - These are the 3.75" handles that are used on a 5" high case. Best thing is to email John Ngo john@par-metal.com



    Quote Originally Posted by DarqueKnight View Post
    If you are going to orient the case resting on its bottom, the retaining bolt, top plate and rubber pads are adequate. If you are going to orient the case resting on its side, then a center piece or some external brace similar to what is shown in post #33 of this thread would be a good idea.
    Raife, Take a look at this picture:

    If you look close at the transformers I'm pretty sure they filled the centers with some sort of epoxy. This might be a better way of making sure that the transformer does not slide around. I think I will try to do it this way. just need to figure out what kind of epoxy to use. Any thoughts?

    Name:  TITAN_PSU_Internal_Web.jpg
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    Polk Audio SDA SRS 1.2TL's
    With new Exotic wood, Sonicaps, Mills & RDO198's - Born on 4-24-1989 and Signed by Matthew Polk!!!!


    My Polk SDA SRS 1.2TL's http://www.LASAREATH.com/


    It All Started here: http://tinyurl.com/lasareath2

    Part Deux: http://tinyurl.com/lasareath3

    Car Stereo---->http://www.salsleaf.com/leaf_stereo/index.htm<---- NEW for 2013

  21. #171

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    Something like this would work well:

    Thermally Conductive Epoxy Potting Compound

    It is available from Mouser:

    MG Chemicals 832TC-450ML
    "Polk SDA-SRSs are hopelessly out of date both sonically and technologically... I see no value whatsoever in older SDA speakers."~Audio Asylum Member
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  22. #172

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    Quote Originally Posted by DarqueKnight View Post
    Something like this would work well:

    Thermally Conductive Epoxy Potting Compound

    It is available from Mouser:

    MG Chemicals 832TC-450ML
    Thanks Raife!
    Polk Audio SDA SRS 1.2TL's
    With new Exotic wood, Sonicaps, Mills & RDO198's - Born on 4-24-1989 and Signed by Matthew Polk!!!!


    My Polk SDA SRS 1.2TL's http://www.LASAREATH.com/


    It All Started here: http://tinyurl.com/lasareath2

    Part Deux: http://tinyurl.com/lasareath3

    Car Stereo---->http://www.salsleaf.com/leaf_stereo/index.htm<---- NEW for 2013

  23. #173

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    I built 6 chassis's this last week, I am keeping 2 of them, they are built out of aluminum with all mounting holes for the binding post's, feet or spikes as well as the hole to mount the transformer, they are powder coated black and the face plates are at the plater for black anodize.

    The one I built about a year ago was built out of steel and has worked just fine but I will be interested to see if the aluminum will make a difference. Pics to come later today.

  24. #174

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  25. #175

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  26. #176

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    Toolfan66 are those the Meniscus Audio spikes?

  27. #177

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    Quote Originally Posted by EndersShadow View Post
    Toolfan66 are those the Meniscus Audio spikes?
    Yes!!

  28. #178

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    That case is very nice Larry! I like it! Prepunched holes for the Cardas binding posts, Meniscus spikes, and the transformer! Nice!

    Greg
    Taken from a recent Audioholics reply regarding "Club Polk" and Polk speakers:

    "I'm yet to hear a Polk speaker that merits more than a sentence and 60 seconds discussion."

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  29. #179

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    Quote Originally Posted by headrott View Post
    That case is very nice Larry! I like it! Prepunched holes for the Cardas binding posts, Meniscus spikes, and the transformer! Nice!

    Greg

    Thanks Greg!!

  30. #180

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    Nice workmanship!

    What do you plan to do with the others you built? I'd love to buy one if you have any extras.
    "Science is suppose to explain observations not dismiss them as impossible" - Norm on AA; 2.3TL's w/sonicaps/mills, polyswitches removed, Lg Solen inductors, RD-0198's, MW's dynamatted, Armaflex speaker gaskets, H-nuts, brass spikes, Cardas CCGR BP's, upgraded IC Cable, Black Hole Damping Sheet strips installed on back wall behind MW's & Tweeters, interior of cabinets sealed, AI-1 interface with 1000VA A-L transformer

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