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Helmholtz Resonant Absorber [0.23] by Adam P. Salisbury,August 30, 2004 20:00

A listening room, defined by its dimensions, can be mapped in terms of a series of pressure peaks and nulls, in all three dimensions. This refers to the creation of standing waves (modes), and the resultant sonic characteristic of the room at modal (essentially bass) frequencies. There are other considerations, such as the boundary effect, but this has less to do with specific modal treatment, and more to do with generalised treatment, and certainly with loudspeaker and listening position placement.

Room Acoustics: Acoustic Treatments [0.22] by Patrick Hart,October 24, 2004 20:00

Anthony Grimani's "Room Acoustics: Acoustic Treatments" class followed his course on "High Performance Home Theater Calibration" on the afternoon of my first day at CEDIA. I'm reviewing it here, as the third installment of our CEDIA Seminars because it flows well and builds upon John Dahl's "Acoustics 101" course. A CEDIA System Designer-in-training would normally take these two classes in this sequence so that is the order in which we are presenting them.

Win a FREE Ready Acoustics Room Treatment Package! [0.22] by tom,July 02, 2007 19:53

Ready Acoustics are giving away a complete room acoustics kit including a 3D room analysis with placement suggestions for your acoustic panels. The prize includes twelve (12) factory assembled Chameleon Bass Traps and Chameleon Acoustic Frames in any color combination you choose. Eight (8) Nested Corner Panels which fit behind corner-mounted Chameleon Bass Traps and the eight (8) Nested Corner Mounts which securely hold the panels in place.

Typhonics SP-Tiles Room Treatment First Look [0.22] by tom,June 23, 2010 05:05

You may have seen the Typhonics SP-Tiles. They are the acoustical foam room treatments in the shape of speakers. Not exactly appealing to your better half? Well we've got some suggestions on that front. For a mere $54 a pop, you can use double-sided tape to stick these to your wall. They suggest both in front and behind your listening position. We're guessing your spouse will suggest a placement somewhere closer to the curb.

Angel City Audio Trinity L/R & Center Conclusion [0.22] by ken,February 26, 2013 00:10

Emotiva Audio Charity Sale To Benefit St. Jude Children’s Research Hospital [0.21] by tom,October 02, 2008 11:57

The highly anticipated XPA-1 Differential Reference Monoblock amplifier from Emotiva Audio will make its debut in November 2008, as a special limited edition of 10 units will be sold to benefit St. Jude Children’s Research Hospital. “Serial numbers 1 through 10 are very special – a limited edition, if you will,” explains general manager Lonnie Vaughn. “All XPA-1’s will have a laser-etched serial number plate, but the limited edition models will have a completely laser-etched faceplate as well. It’s a very striking look, and makes these amps a true collector’s item. Each amplifier will be hand selected and tested.”

Ultimate Matrix Collection Coming to Blu-ray [0.21] by wayde,August 08, 2008 11:06

As a Warner release, the Matrix series first took the red-pill appearing on HD DVD only. But the highly rated sci-fi trilogy will finally get the full treatment as it ingests the Blu-pill this October 14 in a 7-disc Ultimate Matrix Collection on Blu-ray.

Auralex Room Analysis Plus Review [0.21] by tom,April 07, 2009 02:30

Acoustics. Next to your speakers, your room is probably the biggest contributor to the quality of the sound. We here at Audioholics care about acoustics as we understand that it is one of the major factors affecting your listening experience. The Auralex Room Analysis Plus gives you the ability to not only get recommendations about treating your room, but a report based on ACTUAL MEASUREMENTS! And it doesn't cost thousands of dollars either.

Reference System 5: J. Walker Clarke [0.21] by jclarke,July 01, 2007 00:00

This system has been a work in progress for many years, and has lived in several different types of spaces. The most recent change was adding a retractable Stewart Electriscreen. During the day, the room functions as a sunroom. It is brightly lit with natural light from five windows.

Active Room Correction: A Primer to Audyssey MultEQ Pro [0.21] by Patrick Hart,September 30, 2006 20:00

Audyssey's Sound Equalizer is the company's first branded, flagship statement product. In working with the MultEQ Pro software over the last couple of months it has become apparent to this author that the ASE's power and flexibility can be best exploited, as far as overall system sound quality and balance are concerned, if careful attention is first paid to speaker selection, placement, and positioning. Often, passive room treatments, themselves carefully selected and placed are also recommended.