garyrc Posted May 30, 2011 Share Posted May 30, 2011 I bought --- new --- one of the last Belle Klipsch speakers in 2005. I'm using it as a center channel between two AK-4 Klipschorns, and I'm trying to get all three speakers as timbre matched as possible. The Klipschorn started to roll off the K55 above 4.5K in approx 2002, and the Khorn AK-4 & AK-5 have the same crossover points as the Last of the Belles (sounds like a Fitzgerald title), i.e., 450 and 4.5K. My questions are: Did the last Belles have the K55x rolled off above 4.5K like the AK-4 Khorns? Did those Belles also have the K77F rolled off radically below 4.5K? Quote Link to comment Share on other sites More sharing options...
Groomlakearea51 Posted May 30, 2011 Share Posted May 30, 2011 Theoretically.... the drivers would be identical a K-55X is a K-55X, etc. Some differences from the horns themselves. Check with speakerfritz; he may have some plots, etc laying around on the drivers in the respective horns. [H] Quote Link to comment Share on other sites More sharing options...
Speakmeister Posted May 30, 2011 Share Posted May 30, 2011 What model is the crossover? I have some 2000 Belles and they have the AB-2. I can't recall if there is an AB-3. Quote Link to comment Share on other sites More sharing options...
USNRET Posted May 30, 2011 Share Posted May 30, 2011 Humm, single from 2005; wouldn't happen to be mahogany would it? Here is what my '05 single Belle crossover looked like. Quote Link to comment Share on other sites More sharing options...
seti Posted May 30, 2011 Share Posted May 30, 2011 These were supposedly the last 4 Belles to be made. I think this was 2004 but not positve could have been 2006. Quote Link to comment Share on other sites More sharing options...
Groomlakearea51 Posted May 31, 2011 Share Posted May 31, 2011 Really neat photo!!! Pile of K'horn parts, LS's in background, etc. [Y][Y][Y] Quote Link to comment Share on other sites More sharing options...
colterphoto1 Posted May 31, 2011 Share Posted May 31, 2011 Last entries of The Belle Timeline, as written by Mark Kauffman, Klipsch (the man who brought back the Heritage line) 2000 Electrovoice ceases production of the K-77-M and K-55-M tweeter and mid-range drivers. The search for replacement drivers and the acquisition of the EV tooling is sought. Very limited production of a few pairs occurs at the end of 2000 and the early months of 2001 using existing part stocks May 2001 The Atlas PD-5VH (Current version of the previous K-55-V) is modified slightly and christened the K-55-X. The various components of the K-77-M tweeter are either retooled or sourced from the new owners of the tooling and assembled by a third party. This variant of the tweeter is designated the K-77-F. An entirely new network (AB-3) was created to accommodate these driver changes. Fusing is eliminated in favor of a polyswitch for tweeter protection. A metal input panel with binding posts in a bi-wire configuration replaced the traditional screw type barrier block. Late 2005 - Early 2006 The Belle Klipsch is discontinued Quote Link to comment Share on other sites More sharing options...
colterphoto1 Posted May 31, 2011 Share Posted May 31, 2011 AB-3 schematic AB3.pdf Quote Link to comment Share on other sites More sharing options...
colterphoto1 Posted May 31, 2011 Share Posted May 31, 2011 AK-4 schematic Ak4.pdf Quote Link to comment Share on other sites More sharing options...
colterphoto1 Posted May 31, 2011 Share Posted May 31, 2011 looks like similar low pass sections on the squawker .8 v 1 mh so slight change in frequency if I'm reading these right, same 36 db/octave slope of high pass of K77 tweeter (3 caps, 3 chokes) , looks like reversed phase of the 18 db/octave on the mid. so very very similar imho Quote Link to comment Share on other sites More sharing options...
Guest " " Posted June 1, 2011 Share Posted June 1, 2011 These were supposedly the last 4 Belles to be made. I think this was 2004 but not positve could have been 2006. around NOV 2008 , klipsch found themselves with enough parts to make another pair, which they did, and Amy auctioned them off on Ebay. Quote Link to comment Share on other sites More sharing options...
Guest " " Posted June 1, 2011 Share Posted June 1, 2011 colterphoto1 ...how about the AL-4, which would be very close to the AB-3..do you have that one? Quote Link to comment Share on other sites More sharing options...
USNRET Posted June 1, 2011 Share Posted June 1, 2011 Amy auctioned them off on Ebay.That would be the one I bought Quote Link to comment Share on other sites More sharing options...
Guest " " Posted June 1, 2011 Share Posted June 1, 2011 Amy auctioned them off on Ebay.That would be the one I bought yep...you got the very last pair ever made. Quote Link to comment Share on other sites More sharing options...
USNRET Posted June 2, 2011 Share Posted June 2, 2011 Amy auctioned them off on Ebay.That would be the one I bought yep...you got the very last pair ever made. Well, perhaps last SINGLE! Quote Link to comment Share on other sites More sharing options...
garyrc Posted June 2, 2011 Author Share Posted June 2, 2011 Thanks everyone! Quote Link to comment Share on other sites More sharing options...
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