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  »  New  Macondo’s lowest channel...  The ULF amp Itch....  Horn-Loaded Speakers Forum     146  675688  09-15-2010
  »  New  Romy The Cat's new Listening Room..  Won't be the last time he makes that trip!...  Audio Discussions  Forum     478  1373034  03-28-2010
04-24-2011 Post does not mapped to Knowledge Tree
Romy the Cat


Boston, MA
Posts 9,249
Joined on 05-28-2004

Post #: 1
Post ID: 16150
Reply to: 16150
Sound from behind a window.
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Today is a first great warm day in Boston and was working at my yard, fixing the fence around the pool. I was good 120-150 feet away from my listening room, pretty much in the forest, the large French doors to the room were opened and the playback was playing my own CD-compilation with Tchaikovsky slowest movements.  The Macondo was clanked up pretty loud and when the doors are opened then Sound spreads to the pool area very nicely. I do know this Sound as last season I was listening quote a lot from pool and from deck. This time I noted that sound was different.

We all know the “the open window” effect when we unmistakably can say from a large distance if in the room behind the open window plays live piano or a recording.  This time it was different. I would not BS you or the most important myself by clamming that my playback from that distance was sounding like live orchestra. However, it did not sound like regular playback ether. It was some kind of different sound, more vivid than I would expect and much more interesting then what I remember from last year. This Sound some kind of additional internal metaphysical force that made my listening attention to be able to virtually zoom-in to individual phases and notes. I was listening in there for a while and then asked myself why it is happening?

OK, I said, the last summer I did not have the midbass and ULF operational. I went to the room and shut down the ULF and when back to the “forest” to listen it. The “Special Sound” of the playback from the forest mostly was gone. Then I went to the room again and added 10db of my ULF. Remind you that I have ULF set at 20Hz lowpass with their order. In the room it sound like more ULF but still was perfectly listenable. However, from those 150feet, on open air and though the large sliding doors Sound was MUCH more potent.

So, way I concluded that from large distance we most likely register LF modulations, using ULF as the transport for those modulations. This is a good discovery as it will dictate the elevated ULF setting of my playback for outdoor listening…

The Cat


"I wish I could score everything for horns." - Richard Wagner. "Our writing equipment takes part in the forming of our thoughts." - Friedrich Nietzsche
Page 1 of 1 (1 items) Select Pages: 
   Target    Threads for related reading   Most recent post in related threads   Forum  Replies   Views   Started 
  »  New  Macondo’s lowest channel...  The ULF amp Itch....  Horn-Loaded Speakers Forum     146  675688  09-15-2010
  »  New  Romy The Cat's new Listening Room..  Won't be the last time he makes that trip!...  Audio Discussions  Forum     478  1373034  03-28-2010
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