Jon on Alki Posted November 3, 2001 Share Posted November 3, 2001 Hello, I have this pair of speakers I would like to know a little more about, and if I can make any improvements (not that they really need it ). Here is a description of what I have and all the numbers I am able to find on them. There are no stickers or labels other than the Klipsch badge on the grill. The cabinets: Square (not angeled) Square grill attached with velceo tabs 21" high 15 1/2" wide 13" deep Squawker: K-55-V Woofer: K-22-EF 12 inch (67-7943)? Tweeter: Motorola "something or another" Stamped in the rear top edge of the cabinet is: 92 U 880 I bought them about 18 years ago for $100/pair and they looked old then, but I have not heard any better sounding speakers within a moderate price range. I LOVE them! A "neophyte stereo techie" friend of mine convinced me to have them "ported and tuned"? He had a friend of his insert a 4" X 10" piece of PVC 2/3 of the way into the lower back side of the cabinet and seal it up. I did not notice much of a difference except when I put a lot of power to the speakers the low end sound stays intact. In fact, I have never heard them start to "come apart" I appreciate any info I can get on these. What are my chances of finding another pair and what would I have to pay for them? I'm currently using them for a two channel home theater and general music, but I would like to go with a full surround sound system. Are these speakers going to work for that purpose? They are hooked to a Sony STR-DE925 and they sound beautiful. Again, thank you in advance for any help. Quote Link to comment Share on other sites More sharing options...
myram Posted November 3, 2001 Share Posted November 3, 2001 Sounds to me like a pair of Heresy speakers. ------------------ Home Theater Page Quote Link to comment Share on other sites More sharing options...
Malcolm Posted November 3, 2001 Share Posted November 3, 2001 Yep, from the description and serial number, you have 1980 Heresys. The only problem is that Heresys did not have Motorola tweeters. Replacing them with the proper Klipsch K-77 or K-77-M (Electrovice T35A) could cost from about $100 to over $200. I suggest you undo your friends's "tuning." Heresys of this vintage show up on eBay frequently. Depending on condition, finish, and competition, they might go for anywhere from about $300 to over $500. You might be able to find some at a local garage scale for considerably less. Just about any of the Heresys built up through 1980 would be a good sonic match once you replace the tweeters in the ones you have. Heresys make good HT speakers. I use 5 matched Heresys with a powered subwoofer just for that purpose. Quote Link to comment Share on other sites More sharing options...
Malcolm Posted November 3, 2001 Share Posted November 3, 2001 Whoops, hit enter before answering your main question... There are a number of popular tweaks for the Heresys. You can find them in the archives. The biggest bang for the buck seems to be damping the squawker and tweeter horns and replacing the capacitors in the crossover network with your favorite audiophile grade capacitors. Quote Link to comment Share on other sites More sharing options...
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