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Winning numbers cash 4 life 222183/20/2024 This is roughly the same size and configuration as the magnet causing the problem. I can't confirm that.Īnother technique is the use of a bucking magnet. I've read some people have had sucess with food cans. Professional ones are made of specially formulated mu metal which is very permeable to magnetic fields. This is somewhat like a Faraday shield in that the cup prevents fringing of the field. One technique for shielding smaller magnets, or shielding things from smaller magnets, is the use of a metal cup around the back of the driver. Therefore, you may not have quite the problem anticipated. Perhaps it has to do with the magnetic conductive structures which direct the field to the "gap" in which the voice coil sits. It is not possible to do this with a speaker box because it is impractable to cover the woofer front with metal.įor reasons which I don't understand, speaker drivers made with Alnico magnets do not create very strong fringe fields. The theory is that the sources of the field be totally enclosed with a conductive surface. I think the Faraday shield as described is not going to work. In between meetings today I will finish box touch ups and work on fashioning a grille. A good performing sub makes my configuration work (however, for my ears that is also necessary for the Heresy).įianlly, we all work within the compromises of room and asthetics that make individual solutions differ - so enjoy the journey. The plus side of my box - lower profile for set top install, an interestingly larger image (seems to come from screen and less directed to a single sweet spot) than single Heresy, specific timbre match above 700hz and a surpisingly good transition from woofers to squawker (unable to tell the difference from the Heresy). The most difficult aspect is matching timbre on the woofer with smaller cone surfaces, and, as physics dictates, it is hard to go as low as the K22 woofer in my configuration. However, if you have the space limits I wanted to solve, you can get some outstanding results making your own box. The best results I got from a single Heresy as center was inverted (woofer above the horns) for a near seamless integration in HT. If you have the space for an additional Heresy as center, it is by far a less expensive alternative than my modifications. "Nods" should be "Mods" (can't even spell acronyms correctly - sorry).
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