Synergistic Research Atmosphere XL4
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This Atmosphere XL4 is in new condition. It comes with the Red ATM.
The ATMOSPHERE XL4 is 8 times more powerful than the original Atmosphere. Atmosphere transcends the boundaries of your current system allowing you to shape your soundstage while controlling low and high frequencies, in real time.
The Synergistic Research Atmosphere is a room acoustic enhancement device, placed between your speakers, that allows one to modify and improve the perceived soundstage as well as the quality of the sound from top to bottom of one’s system; all of this totally controlled by an iPad app.
Dimensions is 54" height, 4" width, 4" depth and the weight is 8 lbs.
The Atmosphere XL comes with the RED Atmosphere Tuning Module (ATM) and provides 7 different scenes (sonic settings) you can choose from:
"We were looking for a powerful way to overcome the higher frequency RF environment of day with the soothing low frequency environment we experience at night. While working to recreate the perfect RF environment, we built a single Ultra Low Frequency (ULF) generator. Like so many others have found, the frequency of the Schumann Resonance (7.83 Hz) was a powerful talisman against higher frequencies generated by cell phones, Wi-Fi, radio, and natural solar activity. We also found the Schumann Resonance to have significant limitations. Generate 7.83 Hz one way and the sound was not only improved but also ‘darker’, like switching from an open sounding cable to a darker sounding cable that warms the system as it steals resolution in equal measure. Generate 7.83Hz another way and the sound opens up, but at the expense of low frequency extension and control. In other words, broadcast the same frequency in two different ways and get two different results, neither being exactly right. The observed differences created by a single ULF generator eventually led to broadcasting over multiple separately tuned ULF generators. By working with multiple frequencies and variables, we effectively sidestepped the inherent tradeoff of single frequency conditioning as is commonly found in most Schumann devices. With multiple tuned ULF/ LF Generators we created the perfect RF environment without tradeoffs by manipulating multiple variables instead of relying on a single frequency or transmitter. What we never expected as we experimented with controlling multiple ULF generators was the realization that we were affecting all aspects of sound."
"As we continued to alter the output parameters of our multi wave generators, we found that we could control soundstage width, depth and height. We also found we could shift the frequency balance making sound warmer or more open at will. Likewise, we could control low frequencies making them either fuller or tighter sounding. Mid-range was also within our control and we went so far as to match the perceived mid-range to better match a recording. By manipulating literally millions of potential settings for Atmosphere we can either place a live performer in-between a set of speakers or when a recording calls for something massive like a full orchestra, we can ensure that the room and system are capable of projecting a massively layered soundscape. It was not long before we had catalogued dozens of what we were now callings scenes to match different types of recordings and systems."
Audio Bacon wrote (June 2018): "...as good as everything sounds, it only got better with the Atmosphere XL4. Amazingly, what you read in the scene descriptions is exactly what you get. As mentioned, we were very fond of the “Ethereal” + “Air & Grounded” settings. The improvement in resolution, contrast, and control almost sounded like a source upgrade. I wish I were exaggerating. At $3,500, it isn’t cheap but if you’re willing to squeeze out that last bit, it’ll be there..." CLICK HERE to check out the entire review
Jonathan Valin wrote: "...Ted Denney's absolutely ingenious and amazingly effective Atmosphere/UEF Panel/HFT system is the latest and greatest in a long line of Denney-concocted room treatments... if the Stein Harmonizer gives you a new room, the Atmosphere gives you 12 different, larger, airier spaces that you can dial up to order..." (review in progress, coming soon)
Mike Girardi, The StereoTimes, June 2015:
"...it’s rare to find a tweak that is not in the signal path to have such a profound effect on music reproduction. Once you hear the Atmosphere and how it can affect the music and the listener, you’ll be hard pressed to take it out of your system. Adding the ATM adds improves upon the original intent by adding Advanced Settings which further elevates the overall performance. The combination of the Atmosphere and ATM delivers on its promised performance and showed itself as an essential upgrade to my reference system. Now with the Atmosphere and ATM in my system to stay, critical music listening is possible day or night. Highly recommended."
Check out the entire review
Dr. David W. Robinson, Editor-in-Chief, PFO, November 2015:
"...certainly there was an alteration to the soundfield that I could hear, with greater or less spaciousness, greater focus, more or less detail, depending on the option chosen... this was multiplied big time by the addition of the ATM module, however. At that point, four additional advanced soundfield options appeared... each selection has some advanced options that allow you to choose the time of day... definition vs the smoothness of the sound, and the expansiveness of the soundfield... and they all seemed to work in our reference stereo room, as specified, with world-class gear, whose sound I know intimately. Splendid!" CHECK OUT the entire review.
Steve Plaskin, Stereophile's AudioStream.com, Dec. 2014:
"...I found the Atmosphere to be a remarkable product that contributed significantly to the enhancement of the sound of my system. Unlike other system enhancement products that are inserted into the signal line, Atmosphere in no way directly degrades or distorts the audio signal in any way. Atmosphere works by changing the way we perceive our system with alteration of the RF in the room. Being able to select the desired sonic effects with an iPad is equally astounding. Adding the ATM elevates the performance of Atmosphere with Advanced Settings that are easy to implement. While I feel that Atmosphere is one of the most innovative and enjoyable new products to be offered to the audiophile market, its greatest attribute is that it allowed me to become more deeply engaged in the musical experience..."
Check out the entire review