![]() Eager for more, I dug out my three-disc set of actual Saturn V launch footage taken by NASA cameras, some of which were located right on the launch pad. When I watched the launch sequence, the lump in my throat was joined by quivering in the rest of my body as those 48 little woofers in the BGX-4850 flooded the room. It’s partly because I’m old enough to barely remember it happening and partly because it was such a tremendous human achievement. I have to admit that I always get a lump in my throat when I watch Apollo 13. Of course, having seen and heard the real thing, and being prompted from the hoopla surroundng the 40th anniversary of the first moon landing, I decided I needed to find out how well the BGX-4850 could handle Hollywood’s version of a launch in Apollo 13. Even from our vantage point five miles away, the sound of the fury of the launch was damn impressive-at one point, it even elicited a stunned “Whoa!” from most of the assembled geeky types on the crowded beach. Then it’s best to rely on theory and your custom A/V designer’s judgment.Įarlier this year, my wife and I were lucky enough to be at Cape Canaveral for a launch of the Space Shuttle. ![]() Unfortunately, you can’t do this if you’re building a new home and the modules need to be installed before the drywall goes up. Since the BGX-Ĥ850 modules are acoustically self-contained, you can easily move the modules to different places in your room and listen to the system in order to find the best spots. There’s no doubt of the benefit from having four woofers.īut how do you know where the best locations in your room are? In theory, you’d place one sub in the center of each wall, or one in each corner. It was especially interesting to see the results on paper. We didn’t need to see the graph because we could hear the differences. To prove the point about the value of multiple sub locations, Levitsky captured the response curves in the room with one, two, and then all four subwoofers in action. We finished dialing in the system, the BGX-4850’s performance The locations where I could install in-wall subwoofers in my theater weren’t ideal, but after ![]() In addition to being able to produce the amount of output requiredįor a large room, properly installing the modules on opposite walls provides a smoother overall frequency response and greatly reduces variations in output from seat to seat. While two is good, four (although more expensive) is even better-thus the choice of four modules for the BGX-4850. Thanks to research done by Floyd Toole and others, one simple solution to the problem of uneven bass throughout a room is to use multiple subwoofers positioned on opposite walls (if possible). Equalization can help smooth out the response curve, but only for one specific listening location in the room. Unfortunately, this setup will typically be annoyingly inconsistent in terms of output from seating position to seating position. This will generate the maximum amount of bass and the most complaints from the neighbors. As Levitsky explained, if you’re a single, action-movie junkie with no prospects of romantic involvement any time soon, put your subwoofers in one corner of the room.
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