timbob39 Posted March 11, 2006 Share Posted March 11, 2006 anyone know if klf 20's will do anything to the picture of a rear projection big screen tv. the tv is only 2 years old Quote Link to comment Share on other sites More sharing options...
Speedball Posted March 12, 2006 Share Posted March 12, 2006 Maybe take a look in the discontinued products section and see if they are sheilded. I have heard it is quite obvious if an unsheilded speaker gets close to a tv. Welcome to the Forum.......... Quote Link to comment Share on other sites More sharing options...
oneleggedbob Posted March 12, 2006 Share Posted March 12, 2006 I have my klf 20's next to my phillips big screen and they seem to be ok..i dont believe they are shielded .. well come to think of it it does look a little bit blurry on one side.maybe they do mess with it..dang....... Quote Link to comment Share on other sites More sharing options...
Fish Posted March 12, 2006 Share Posted March 12, 2006 I didn't see anything about shielding for the 20's in my book,the c7 is according to my book. Quote Link to comment Share on other sites More sharing options...
Cleve Posted March 12, 2006 Share Posted March 12, 2006 They must be shielded - they're newer than my Epic CF-4s, and those speakers are DEFINITELY shielded - my 35" TV sits directly atop my center CF-4, and there's absolutely no issues with picture/color distortion. Quote Link to comment Share on other sites More sharing options...
dougdrake Posted March 12, 2006 Share Posted March 12, 2006 I do not believe the KLF series are shielded (except for the C7 center). If you get distortion, move them away from the TV to avoid damage. You could install "bucking magnets" onto the drivers to shield them for video use. You may still be able to order them from Klipsch (800-KLIPSCH). Failing that, some speaker supply places may have them. Quote Link to comment Share on other sites More sharing options...
billyjoe72 Posted March 12, 2006 Share Posted March 12, 2006 All klf's are not shielded except for the c7. I'm having some issues with my two sets now. I moved my tv to the other side of the room with the furnace on the other side of the wall and I don't think it's going to work. The metal from the furnace just intensifies the magnetic field it seems. On the other side of the room everything was fine. toodles Quote Link to comment Share on other sites More sharing options...
Zen Traveler Posted March 12, 2006 Share Posted March 12, 2006 I took for granted they were shielded. [:^)] I guess I was wrong. Before I purchased my Reference HT I had my KLF-20's within 3 feet of my Mitsubishi RP TV with no issues. It wasn't until I purchased the RSW-15 and put it directly in front of my TV (where my KSW-15 used to sit) that I experienced the color separation. [] Quote Link to comment Share on other sites More sharing options...
Mighty Favog Posted March 12, 2006 Share Posted March 12, 2006 You may also want to experiment with how far forward or rearward the speakers are from the the same verticle plane as the front of the screen of your TV. Quote Link to comment Share on other sites More sharing options...
Cleve Posted March 21, 2006 Share Posted March 21, 2006 Interesting! I would have assumed that any Klipsch non-Heritage speakers manufactured after 1996 would be shielded, since by the late 90s the HT craze was in full-swing. I know the Epics (1994-1996) most definitely are. But as other posters have mentioned, you can easily buy bucking magnets to affix to the drivers to make them shielded. Quote Link to comment Share on other sites More sharing options...
Mighty Favog Posted March 21, 2006 Share Posted March 21, 2006 Last I heard, Klipsch no longer had the bucking magnets. Give'em a call anyways. Quote Link to comment Share on other sites More sharing options...
Ray Garrison Posted March 21, 2006 Share Posted March 21, 2006 Cleve, The Epic series was shielded as a result of the magnet design. The CF-4's we have use Neodymium magnets, which are extremely powerful. So powerful that the magnets are so small they fit inside the voice coils and are inherently shielded. Quote Link to comment Share on other sites More sharing options...
Cleve Posted March 23, 2006 Share Posted March 23, 2006 Interesting, Ray. I knew the Neodymium magnets were very small and light, compared to a conventional, comparable magnets in a 12" woofer that will handle 300 watts safely. But I didn't realize the design also allowed for that advantage to Home Theatre enthusiasts as well. I'll file that little factoid for future reference. As far as bucking magnets go - if Klipsch doesn't have them, there are other sources. http://www.partsexpress.com They've got a selection of bucking magnets in various sizes. Some people have expressed concern that the "bucking" magnets can affect the performance of the driver. Therefore, you can install shielding material inside the cabinet http://www.lessemf.com/mag-shld.html That's a lot more expensive option, though. [] Quote Link to comment Share on other sites More sharing options...
billyjoe72 Posted March 24, 2006 Share Posted March 24, 2006 I looked at parts express at the bucking magnets. I sure would be interested in which one to get to help out my center channel I made out of a klf10. I'm having a real difficult time placing it since I moved my room around. Any ideas? Quote Link to comment Share on other sites More sharing options...
Buckeye_Nut Posted March 24, 2006 Share Posted March 24, 2006 Providing they arent shielded, you only need a couple feet of space between them and the TV to avoid any problems. If you notice problems with your image, just move them a little further away Quote Link to comment Share on other sites More sharing options...
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