philipbarrett Posted January 17, 2013 Share Posted January 17, 2013 Not wanting to hijack another thread, I saw the linked piece about the amazing K-Horn relaminating project which was some amazing craftsmanship. However, it was the closing in of the K-horn rears that interested me the most. Anyone tried this? How does it sound? Quote Link to comment Share on other sites More sharing options...
Mike Lindsey Posted January 17, 2013 Share Posted January 17, 2013 pb, Those are my Khorns, and yes, they sound fantastic! Greg Roberts performed the work on them and he is definitely a craftsman. He is also a member of this forum but his forum name escapes me at the moment. Here is the link to the total restoration of the Khorns. http://www.klipschupgrades.com/flkhorn.shtml Mike Quote Link to comment Share on other sites More sharing options...
philipbarrett Posted January 17, 2013 Author Share Posted January 17, 2013 By fantastic, how would you compare the low end with the non-closed model? I saw Greg's work, he's a true craftsman. Quote Link to comment Share on other sites More sharing options...
sunnysal Posted January 17, 2013 Share Posted January 17, 2013 Mike´s khorns are works of art! But one thing stuck in my mind over the years though, if the khorns are not going to be placed tightly into corners PWK recommended that false corners or the closed back extend at least 24" past the front of the khorns, not stop short of the fronts. I may be wrong about this, I will check my "Dope form Hopes". anyone else remember that? warm regards, Tony Quote Link to comment Share on other sites More sharing options...
Budman Posted January 17, 2013 Share Posted January 17, 2013 pb, Those are my Khorns, and yes, they sound fantastic! Greg Roberts performed the work on them and he is definitely a craftsman. He is also a member of this forum but his forum name escapes me at the moment. Here is the link to the total restoration of the Khorns. http://www.klipschupgrades.com/flkhorn.shtml Mike Volti Audio and it says the best way to reach him is by e-mail. Gregroberts@roadrunner.com Quote Link to comment Share on other sites More sharing options...
Guest " " Posted January 17, 2013 Share Posted January 17, 2013 the 60th edition khorns are enclosed. worth noting is that the top and bottom of the khorn bass bin as well as the tops and bottoms of the top hats are bigger than regular khorns. this is because the sections used to seal the backs would equivalently have to be put on the outer edges of the existing top and bottom sections. So if you go this route....do not try to put the enclosed sections in between the existing tops and bottoms. if you do that, you would be reducing your exit area. Klipsch was not the first to enclose the backs...electro voice did this on their klipsch licensed versions of their khorns back in the early 60's. Quote Link to comment Share on other sites More sharing options...
Mike Lindsey Posted January 18, 2013 Share Posted January 18, 2013 the 60th edition khorns are enclosed. worth noting is that the top and bottom of the khorn bass bin as well as the tops and bottoms of the top hats are bigger than regular khorns. this is because the sections used to seal the backs would equivalently have to be put on the outer edges of the existing top and bottom sections. So if you go this route....do not try to put the enclosed sections in between the existing tops and bottoms. if you do that, you would be reducing your exit area. Exactly! And that is how Greg did mine. He had to extend everything out 3/4" to have the same exit area of the horn. It looked like a fair amount of work, but well worth the finished product. Mike Quote Link to comment Share on other sites More sharing options...
rummy Posted January 19, 2013 Share Posted January 19, 2013 Does anyone have the detailed plans/measurements for an enclosed false corner, thinking of trying to find a woodworker to make some for me? Thanks. Quote Link to comment Share on other sites More sharing options...
sunnysal Posted January 19, 2013 Share Posted January 19, 2013 form klipsch customer support: "The Klipschorn® requires corner placement because the walls of the room serve to complete the speakers low frequency horn. To achieve full low frequency extension, the Klipschorn® should fit tightly in a corner without baseboard or trim interference and the wall surfaces should extend at least 25 inches beyond the side grilles without obstructions. The Klipschorn is equipped with rubber wall seals to ensure airtight contact with the wall." check these plans out http://webservice.gentec-intl.com/GentecInc/commodity/5512/howtouse.pdf regards, tony Quote Link to comment Share on other sites More sharing options...
Deang Posted January 21, 2013 Share Posted January 21, 2013 Yes, Klipschorns with backs and Jubilees need the corners. With the Klipschorn, the walls are needed to finish the LF horn, which doesn't apply to the Jubilee. However, both speakers need corner loading to get all of that last half octave. Roy says the Jubilee needs be within 12 inches or closer to get the correct LF behavior, and I would imagine the same would apply to a Klipschorn with the rear section enclosed -- which increases the rigidity of the cabinet and sounds much better to me. The bass takes on a punchy LaScala quality -- except with balls. Quote Link to comment Share on other sites More sharing options...
Dmitry Posted January 22, 2013 Share Posted January 22, 2013 form klipsch customer support: "...the wall surfaces should extend at least 25 inches beyond the side grilles without obstructions. . 25" from the front or the back portion of the side grill? Quote Link to comment Share on other sites More sharing options...
sunnysal Posted February 4, 2013 Share Posted February 4, 2013 my understanding is 25¨from the front. T form klipsch customer support: "...the wall surfaces should extend at least 25 inches beyond the side grilles without obstructions. . 25" from the front or the back portion of the side grill? Quote Link to comment Share on other sites More sharing options...
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