STL Posted February 9, 2003 Share Posted February 9, 2003 The enclosure is built, but I still need to finish it so it looks as good as my KG5.5s! The horn is a K-85-K (same as the KG5.5) and the woofers are 6.5" K-1075-SVs (used in the original SF-1 and SF-2). The 4 woofers should move the same amount of air as the two 10" woofers in each KG5.5, and the 6.5" cones should produce slightly tighter bass and better midrange. I elected to go with four 1.5" flared ports for the venting, and it's tuned to about 38Hz (which is very close to what SF-1s are tuned to). The front motherboard is angled 10 degrees down since this will be place above my 55" Mits. I'll post more pictures once it is fully complete. Quote Link to comment Share on other sites More sharing options...
j-malotky Posted February 9, 2003 Share Posted February 9, 2003 Looks nice STL. I like the angle pointing downward to your listening posititon. Should be a nice match with your HT. With all the center speakers posted here lately, that must be the winter project of choise on this forum. JM Quote Link to comment Share on other sites More sharing options...
michael hurd Posted February 10, 2003 Share Posted February 10, 2003 Nice work, now all that's left is the finishing touches, literally. Have you had a listen yet in the frankenstein stage ? ( not meant as a knock, just the raw, unfinished product ) How's it sound ? You got to post a picture of the finished product. Looks great ! Quote Link to comment Share on other sites More sharing options...
STL Posted February 10, 2003 Author Share Posted February 10, 2003 I don't know how it sounds yet! The speakers were just put there for the picture. I want to get the unit fully complete before installing any of the drivers. That way I will stay motivated to get it all done! I also forgot to mention that I used 3/4" MDF and did a lot of internal bracing too. I have six braces (one between each speaker) on the motherboard and two more on the rear panel. I was going to use a double thick motherboard on the front but decided the bracing would be just as effective (and make the enclosure weigh less). Quote Link to comment Share on other sites More sharing options...
hwatkins Posted February 12, 2003 Share Posted February 12, 2003 Very nicely done - give us audition notes once you fire it up... I may have missed it - what Xover are you using? Quote Link to comment Share on other sites More sharing options...
erikjohn Posted February 12, 2003 Share Posted February 12, 2003 Very nice Job!!! EJ Quote Link to comment Share on other sites More sharing options...
formica Posted February 12, 2003 Share Posted February 12, 2003 ---------------- On 2/9/2003 11:43:32 PM j-malotky wrote: I like the angle pointing downward to your listening posititon. ---------------- ditto... it's very nice. Rob Quote Link to comment Share on other sites More sharing options...
STL Posted February 12, 2003 Author Share Posted February 12, 2003 I am first going to try the "stock" KG4.2 crossover, but I suspect I will be modding it at least a little. Theoretically by putting two of the K-1075-SV drivers in series (and the other two in series) then puting each series-pair in parallel, I should get roughly the same impedance as the K-1001-K woofer that came with the KG4.2 (so the KG4.2 crossover as-is should work decently). While comparing the crossover of the KG5.5 and KG4.2 I did see some differences that don't really make sense. For the HP section I'll just change the KG4.2 to match the KG5.5 (since the tweeters are the same), but it might take a little re-engineering on the LP section. Time to get out the frequency generator... I have to give a big thanks to Trey Cannon for chatting with me about this very subject yesterday. Quote Link to comment Share on other sites More sharing options...
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