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  1. #31

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    Quote Originally Posted by Toolfan66 View Post
    Thought I would post this pic here as well. My case is done except the transformer. It's on it's way!!
    just to be clear . . you've got a 1KVA tranny on its way? . . . . . cuz I've got a spare, thoughts?

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  2. #32

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    Quote Originally Posted by GlennDog View Post
    just to be clear . . you've got a 1KVA tranny on its way? . . . . . cuz I've got a spare, thoughts?

    G
    Rickfromaz is sending me one. Well he said he is..LOL!! If something falls through I will hit you up if that's ok?
    No Way But The Hard Way, So Get Used To It!!!

  3. #33

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    Default

    Name:  image.jpg
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    No Way But The Hard Way, So Get Used To It!!!

  4. #34

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    Deleted as that pic was blurry.


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  5. #35

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    Making a statement, eh?
    'Political Correctness'.........defined

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  6. #36

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    LOL!!

    I figured since I'm putting yours together that I might as well do mine..
    No Way But The Hard Way, So Get Used To It!!!

  7. #37

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    All the talk of these Neutrik Speakon connectors is sinking in. I'm getting ready to build new wiring harnesses for my 4.1TL's using Cardas Litz wire, so this is an ideal time to revisit these Speakon connectors.

    My Dreadnaught is built with Larry's original case, using Cardas binding posts. Frank at Signal Cable built cables for me to use with the Dreadnaught where one end is terminated with two bananas, the other end is terminated with a banana on the + and a spade on the -. On my 4.1 binding post cups, I replaced the SDA connector with a single Cardas binding post, and I connect the + banana to that post. Then I connect the - spade to the - speaker post, and the - from the amp is connected to that same post with a banana. So my - terminal has both a banana connection from the amp and a spade connection from the Dreadnaught.

    When I build the new wiring harnesses, I am going to use a replacement metal binding post plate from Trey in place of the stock plastic binding post cup. So this is the ideal time to be looking at using the Speakon connector. I don't really see a need to use the Speakons on the Dreadnaught side of the connection, I would leave the Dreadnaught alone and continue using bananas to connect. It's the spade connection on the speaker side that I really wouldn't mind getting rid of, since as Jesse says, it always comes loose. So what I'm looking to do is replace the binding post in place of the SDA connector with a Speakon, and re-terminate the speaker end of the cables from Signal with Speakon. So one end of those cables would be banana/banana, the other end would be Speakon. Then on the inside of the binding post plate I would short the - of the Speakon chassis connector to the - speaker terminal using the Cardas Litz.

    I like the idea of a right angle connection at the speaker for added strain relief, so I am looking to use these on the cables. They only come in 4-pole, so I would just use two of the four poles:

    http://www.neutrik.com/en/speakon/spx-series/nl4frx

    Then I would need a 4-pole chassis connector, and only use two poles. I'm thinking this is the one I want, correct?

    http://www.neutrik.com/en/speakon/sp...nnectors/nl4mp

    Jesse, it also looks like you used the gaskets for the chassis connectors, correct? I like the look of them:

    http://www.neutrik.com/en/speakon/sp...cessories/scdp

    I'm going to ping Trey to have a look at this thread, hopefully he has the template to drill out the Speakon connector, and I can send him back the plates to re-drill.

    Merry Christmas!
    Good music, a good source, and good power can make SDA's sing. Tubes make them dance.

  8. #38

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    The small connectors are a pain in the ass to drill out a perfect hole. Use these instead: http://www.neutrik.com/en/speakon/sp...nectors/nl4mpr Drill out a 1" hole and you have plenty of room for a gasket.
    "He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche

  9. #39

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    I think Trey has templates for the drill outs, let me wait to hear back from him. Thanks for the tip, though.
    Good music, a good source, and good power can make SDA's sing. Tubes make them dance.

  10. #40

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    My plates are predrilled for speak on connectors and the two corresponding holes, no gasket needed.
    www.Vr3Mods.com ///// www.Version3Audio.com

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro

  11. #41

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    ....
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    www.Vr3Mods.com ///// www.Version3Audio.com

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  12. #42

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    Noob question, why is a massive transformer needed?? And what does it do when run inline with the speaker wires?
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  13. #43

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    Quote Originally Posted by Inspector 24 View Post
    Noob question, why is a massive transformer needed?? And what does it do when run inline with the speaker wires?
    creates common ground for non-common ground devices for SDA's...
    Not all SDA's benefit from this device.
    some use it on common ground devices to get greater SDA effect.

  14. #44

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    Trey, if you recall the ones you sent me were drilled for three binding posts. If I sent them back to you, could you drill a wider hole for the speakon post plus the mounting screws?
    Good music, a good source, and good power can make SDA's sing. Tubes make them dance.

  15. #45

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    "some use it on common ground devices to get greater SDA effect." With this being true is there any benefit to the A-1 Dreadnought with use of a common ground amp? Also, I have heard the A-1 Dreadnought cannot be used on earlier SDA-SRS (blade-blade) such as mine and now that I have all of the parts ready to assemble am I barking up the wrong tree? Do I sell off the parts or install new crossovers ...already have modified crossovers installed.

  16. #46

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    Yes, I use mine with a common ground amp. Many of us jumped on the Dreadnaught bandwagon after DK did a write up about improvements he found. I definitely noticed big improvements when I started using it versus a straight cable.
    Good music, a good source, and good power can make SDA's sing. Tubes make them dance.

  17. #47

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    I have yet to install my new binding post plates, and use my other dreadnought with the speak on's..

    I should get off my ass..
    No Way But The Hard Way, So Get Used To It!!!

  18. #48

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    Unfortunately I am not set up to do that type of modification to the plate with CNC accuracy without additional cost. I can enlarge the hole and apply additional holes for the mount but you will need a gasket most likely...

    Shoot me an email vr3mods@gmail.com about this and lets see what we can work out...
    www.Vr3Mods.com ///// www.Version3Audio.com

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  19. #49

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    I like the idea of a right angle connection at the speaker for added strain relief,
    Not needed at all. Those MIT Shotgun cables I'm using are massive and weigh quite a bit. I've got zero issues. Your Signal cables will be fine with the straight connector.




    And what does it do when run inline with the speaker wires?
    The isolation transformer does not run inline with the speaker cables. It is used with the SDA cable.




    Also, I have heard the A-1 Dreadnought cannot be used on earlier SDA-SRS (blade-blade) such as mine and now that I have all of the parts ready to assemble am I barking up the wrong tree?
    Wrong tree, it can't be used with blade/blade SDA's.
    'Political Correctness'.........defined

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  20. #50

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    I got the new plates from Trey to replace the cups and he had predrilled for the speakon connectors on the plates and the fit was perfect. So the new plate with it drilled for four binding post and the speakon connectors was perfect and I used Speakons on my Dreadnaught too. These are really clean and with the locking feature is perfect for this use.
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  21. #51

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    I think this starts to explain it, but I'm still a bit mystified.

    Kind of like saying a turbocharger makes more power, but I've no idea how it actually works.

    Maybe I need a ground up technical explanation? Maybe a thread jack?

    Quote Originally Posted by pitdogg2 View Post
    creates common ground for non-common ground devices for SDA's...
    Not all SDA's benefit from this device.
    some use it on common ground devices to get greater SDA effect.
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  22. #52

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    Maybe I need a ground up technical explanation?
    It provides superior ground isolation for the SDA drivers.
    'Political Correctness'.........defined

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  23. #53

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    Ah ha! Ground isolation between left and right channels? From the amp?

    Do SDA's have something like this from the factory and this is just a massive external upgrade or an add on?
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  24. #54

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    The SDA's need a common ground amp in order for the dimensional drivers to work. For those of us with non-common ground amps this is a way to get the signal to the dimensional drivers. Polk accomplished this with the AI-1 interface cable that included a much smaller transformer than the Dreadnaught transformer. People have reported improved sound using the Dreadnaught with common ground amps, I can't comment on that as my BAT is non-common ground.
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  25. #55

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    I use the 1000VA dreadnought with my common ground amp, and the improvement is not subtle. I can highly recommended this tweak.
    "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

  26. #56

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    I have the Polk standard interface interconnect on my 1.2s. It was a noticeable upgrade soundwise from the standard non interface connector using my common ground amp. I'm thinking it'll be a worthwhile upgrade going from the Polk standard to the dreadnought. That's something that I'm really hoping to do someday.
    main set up; modded polk 1.2tl's, recapped mcintosh mc2500, restored yamaha c4, clearaudio emotion, nano +beta woodbody, restored sansui tu9900, sony dvp 9000es, def tech pf18 sub, dedicated listening building

  27. #57

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    Quote Originally Posted by drumminman View Post
    i use the 1000va dreadnought with my common ground amp, and the improvement is not subtle. I can highly recommended this tweak.

    this ^^^^^^^^
    No Way But The Hard Way, So Get Used To It!!!

  28. #58

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    Quote Originally Posted by F1nut View Post
    Not needed at all. Those MIT Shotgun cables I'm using are massive and weigh quite a bit. I've got zero issues. Your Signal cables will be fine with the straight connector.
    Ok so in that case, what I need is 2 each of:

    http://www.parts-express.com/neutrik...mount--092-198

    http://www.parts-express.com/neutrik...mount--092-059

    http://www.parts-express.com/neutrik...black--092-094

    Correct?

    Do the chassis connectors include the screws I'll need?

    Appreciate all the advice!
    Good music, a good source, and good power can make SDA's sing. Tubes make them dance.

  29. #59

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    The neutrick connectors do not come with the scews you need to mount them to the chassis, Home Depot or Lowe's will have all the hardware the\at you need.
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    Oppo 105D BAT VK-500 w/BatPack SDA SRS 2.3 Dreadnought Squeezebox Touch Apple TV

  30. #60

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    Ah easy enough.
    Good music, a good source, and good power can make SDA's sing. Tubes make them dance.

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