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Re: Nearest Field Listening on Harbeth

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  • tan
    Tom I am impressed with you Ultra Near Field setup. I would try something based on your success. The fact that it is so wide at 79 inches, the sweet spot may
    Message 1 of 3 , Jul 1 7:28 AM
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      Tom

      I am impressed with you Ultra Near Field setup.
      I would try something based on your success.

      The fact that it is so wide at 79 inches, the sweet spot may be vey critical and small. Any slight miss alignment, the sound would be off.

      Thanks, now I am all excited to explore what u have done.


      --- In regsaudioforum@yahoogroups.com, "Tom Mallin" <tmallin@...> wrote:
      >
      > Since there is 90-degree separation, and I am 39 2/3" from the plane of the speakers, you can calculate that the speakers are twice that distance, or 79 1/3" apart, between the centers of the two woofer dustcaps. That is, in fact, the measured distance.
      >
      > The Harbeth site says the M40.1s are 750 mm H x 432 mm W x 400 mm D. That's close to what my pair measures. My pair is a tad narrower at 16 15/16" wide, and I think the specified depth includes the protruding rear binding posts since I don't think my cabinets measure quite that deep.
      >
      > They are not too big for listening this close for me. As I mentioned, I cannot hear separate drivers from this close.
      >
      > What I see from the listening position is basically the front grill. Separating them by 90 degrees puts the front baffle out of my direct line of sight enough so that even with eyes-open listening (I almost never listen with my eyes closed) the size of the speaker front is not distracting in terms of imaging/staging.
      >
      > The physical visual presence of the speakers is further diminished by the fact that when I listen, the room-centered ceiling light (which provided the only light for the photo I posted) is off, leaving only the equipment lighting and two 4-watt night lights which are plugged into outlets behind the two corner-placed subwoofers. Those provide a bit of diffuse light for the room, just enough so I can navigate in the semi-dark. The semi-darkness further reduces my visual awareness of the speaker baffles, but provides enough light for my eyes to "focus" on sonic images on the stereo stage.
      >
      > And, yes, I think it sounds very, very good this way, even better than it sounded before when my sitting-back-in-the-chair listening spot was just under 51 inches from the plane of the speakers. The dominance of the recorded acoustic, the feeling of looking at a performance taking place in front of my eyes and ears, is quite a bit stronger now, and it was excellent before. The sense of immersion in the recorded acoustics is the best I've yet achieved with two-channel sound.
      >
      > Tonally it sounds at least as good, better I'd say, and seems to measure that way on axis from 2 kHz up.
      >
      > Another significant improvement from what I had before is the apparent lowering of distortion. I'm not sure what this is from. It just sounds cleaner than ever (and these Harbeths sounded very clean before). I speculate that this impression is due to yet-less audibility of sound reflected off my listening room surfaces, especially the overhead ceiling light (the light obviously cannot be damped with Sonex foam).
      >
      >
      > >>> "tan" <carokandefence@...> 6/30/2010 10:14 AM >>>
      > I have seen Tom system and pretty impressed that he cd be only 40in away from the M40.1. Was wondering how wide is the Harbeth apart.
      >
      > My next question is with this setup was the sound great ? It appears that the M40.1 is too wide but if u have interesting results, would love to hear from your experiences.
      >
      > Extract from Tom's system
      > Nearest field yet; listening position is 39 2/3 inches from speaker plane; for scale, the wedge pattern on Sonex is 3"
      >
      >
      >
      >
      > ------------------------------------
      >
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