jdilks Posted January 27, 2004 Share Posted January 27, 2004 From Home Theater Magazine: December 31, 2003 Always seeking cost-effective improvements in home theater sound, Norwood, MA-based Atlantic Technology has introduced a subwoofer controller that the manufacturer claims "can dramatically improve the sound quality of any subwoofer by fine-tuning its interaction with the acoustic characteristics of the listening room." The new Atlantic Technology SP-8000 is a standalone processor based upon circuitry developed to control the subwoofers used in the company's flagship $23,000 System 8200 THX Ultra2 home theater system. Employing a combination of parametric equalization, precision level trim adjustments, phase correction, and crossover controls, the SP-8000 allows consumers and professional installers to optimize any subwoofer's output so it complements the acoustic characteristics of the room itself, by eliminating objectionable room resonances caused by standing waves. The SP-8000's comprehensive, flexible controls allow the subwoofer and room to function together as a system, instead of working against each other. Use of the included diagnostic test disc (developed in conjunction with Sencore, the world-renowned test instrument company) will accurately identify the dominant objectionable room mode. Once this frequency is identified, the SP-8000's parametric equalizer can be adjusted to attenuate the problem frequency. The center frequency, "Q", or width of the EQ band, and degree of attenuation can all be adjusted to produce markedly cleaner sound without the "one note" resonant boom that plagues most real-world installations. Because subwoofer settings appropriate to special-effects laden films almost never sound right with music-only recordings, the SP-8000 has four pre-set EQ curves that have been carefully chosen to enhance the reproduction of both music and movies. One is designed to enhance low level listening by gently boosting the mid-bass to compensate for the ear's relative insensitivity to low bass at low volumes. The others are optimized for music, movies, and movies with extensive special effects. In addition, there's a dedicated Level Trim that can be adjusted +/-10dB in 1dB increments. Both the preset EQs and the Level Trim can be easily adjusted from the listening position with the included handheld IR remote control. The SP-8000's 18dB/octave low-pass crossover is continuously adjustable from 50Hz to 150Hz using a front panel control. A four-position phase control (0, 90, 180, and 270 degrees), can further deal with interactions between sub-woofer(s), satellite speakers, and the room. The SP-8000 includes both balanced XLR and unbalanced RCA low-level inputs and outputs, for ideal compatibility with nearly any equipment. In addition, there are rear-panel inputs and outputs for 3.5mm IR connectors, as well as command ports for external IR receivers or whole-home control systems. The Atlantic Technology SP-8000 is available now. Suggested retail price is $600. www.atlantictechnology.com/system_sp8000.htm I'm considering buying one of these. Anyone with experience or opinions? Quote Link to comment Share on other sites More sharing options...
Guest klipschomatic Posted January 27, 2004 Share Posted January 27, 2004 Great, another new person in here advertising another company's subwoofer. This is not an Atlantic Technology forum either. Quote Link to comment Share on other sites More sharing options...
jdilks Posted January 27, 2004 Author Share Posted January 27, 2004 ---------------- On 1/27/2004 2:16:09 PM klipschomatic wrote: Great, another new person in here advertising another company's subwoofer. This is not an Atlantic Technology forum either. ---------------- It's not a subwoofer, it's an equalizer. I am considering it for my RSW 15's... Quote Link to comment Share on other sites More sharing options...
Guest klipschomatic Posted January 27, 2004 Share Posted January 27, 2004 If it's room analysis and eq capabilities are detailed enough, and the end user knows how to properly adjust it then it should provide some benefit from room modes. I have had some experience with a similar Velodyne system and its system did a poor room analysis and had inadequate eq capabilities. Quote Link to comment Share on other sites More sharing options...
Guest klipschomatic Posted January 27, 2004 Share Posted January 27, 2004 Also, I am glad to hear you are using Klipsch subwoofers. Quote Link to comment Share on other sites More sharing options...
fabulousfrankie Posted January 27, 2004 Share Posted January 27, 2004 ---------------- On 1/27/2004 2:16:09 PM klipschomatic wrote: Great, another new person in here advertising another company's subwoofer. This is not an Atlantic Technology forum either. ---------------- I use Kilpsh front's, center, and surrounds because I feel they are the best for the my money. I do not use a Klipsch sub because I don't feel they are the best for the money. It seems a big factor in your purchasing process is brand loyalty and that's fine but there's no need for you to make a useless posts like you have been doing trying to scold people who don't mention the word Klipsch everytime they post. It's also kind of funny how you say "Great, another new person..." when you have 19 total posts. Why does this thing cost $600? It's a single band parametric eq...when I saw the price I thought it might inlcude a mic(and maybe auto eq like Velo's DD subs), but it doesn't. There are better and much cheaper ways to get much more flexible eq. I say download free tones from the net and burn them on a cd yourself. If you haven't already got one, go out and grab a RS SPL meter, take measurements and plot them in the excel chart I've uploaded. Instead of this single band eq for $600 go and buy a $120 BFD(what I use) online or from your local pro audio shop and follow the guide below on how to set it up(it seems complicated but after you do it once it's a breeze), you could always email or PM me if you need help. This eq has dual 12 band parametric eq's as oppossed to the single band in the Atlantic Tech piece. A single band can help but it's not enough if you desire the flattest response. Download the excel graph here Download free tones here Tutorial for setting up the BFD This will offer you better performance and more flexibility for much less. Quote Link to comment Share on other sites More sharing options...
fabulousfrankie Posted January 27, 2004 Share Posted January 27, 2004 Here's some places where you can get the BFD: http://www.zzounds.com/item--BEHDSP1124P http://www.musiciansfriend.com/srs7/sid=040127122102068100228014829999/g=home/search/detail/base_pid/182467/ I've ordered from both places without problem. You can also check your local pro audio store, I picked mine up at my local Guitar Center. Quote Link to comment Share on other sites More sharing options...
jdilks Posted January 27, 2004 Author Share Posted January 27, 2004 Thanks eveyone. I'll take a look at the Behringer products. Quote Link to comment Share on other sites More sharing options...
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