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I meant to have this post as a separate thread in the “Playback Listing section “– the “load” of it is well-deserve it but then I decided that it would be too easy for the readers of my site. The subject of this post is well related to results of my midbass horn project, so I will damp it right here.

As the midbass horn project is over then there is one subject that I would like to add to the evaluation of the results. The midbass horn I am getting now is exceptional in my view, it is good itself and it is very well calibrated. It has no overly moist feeling of the best vintage drivers while having good forceful tone, it has phenomenal extension that perceptional goes lower then 42Hz, I can go a lot over many positive aspects of my midbass sound but I would like to point out not the numerous positive aspects but one major negative aspect that resulted the whole project. Nope the “major negative aspect” is not the Above-Behind positioning of my midbass horns – I do not consider it as a problem at all. The “major negative aspect” is that my new playback inhalation lost ability to moderate importance with width. To explain it I need to disclose one of many “secrets weapons” I used in my old listing room.

In my old listing room the bass towers were positioned outside the Macondo MF islands, right on the time aligned-radios from listing position. Also do not forgers that in old room the midbass was coming from those bass towers as it was 73Hz first order low-pass crossover. The sound was very good and it was very “controlling”. Controlling is not condoled, Controlling means that Sound has active impact to listener, subordinating listing attention when it necessary. You need to read the Macondo page to understand what and why I was trying to do it:

http://www.romythecat.com/MacondoAcousticSystem.aspx

Some people who where allowed in my listening room did reported that in my room Sound was very authoritative and when necessary Sound was grabbing the listener attention and completely subordinates it belong itself. There were a few purely by design moments that were responsible for that and one of them was the fact the in my old system I was a control a “dynamic” control over the width of music presentation.

It happens with mammals that anything more important is always associated with larger size (Thos I do not think that most important female would be larger). The bigger is that more important, value, more prominent, mode dominating…. We raise our voice, we built huge churches, we compose large symphonies…. We subconsciousnessly presume that larger menace more notable. Then we have a playback.  A playback has own presentational width and then sound goes deeper… Suddenly playback opens itself up and begins to sound much larger. Technically we know that all that happens was the lateral source got shifted from Macondo MF horn to the wider-positioned woofer towers.  Perceptional the little walls of the stage are collapsed and Sound hit a listener with a width of upon ocean. Observing my guests at that time I always sow them to raise their heads a bit, I caught ma to do the same. This was very telling as there was no vertical shift of sound but they raise their heads. We, the mammals do it in face of superiority; after all we place our Gods to the sky not under ground….

The point of all of it is that in my room the location of my woofer toward was super beneficial as it was setting a perfect balance between volume, size and LF extension. The chosen crossover and the position of the midbass sections was very much the key to moderate the balance between the Width of presentation and the Importance of musical statement. That was great but unfortunately I do not have it anymore in my new room.

In my new room my new playback plays constant Width. It is superbly accurate and it is in way this is more proper way to play music. The 99.999999999% of playback out do the same and no one consider it bad. Well, my arrogances shall have some justification and frankly speaking after 10 year of using my Width-Importance modulation I feel a bit too un-stimulated listening my Width-Importance-constant playback. This is what I been figuring with me for a few weeks. I have considered putting some side-channels to add the Width-Importance modulations. I do not do it, yet, but I know that I will be thinking about it.

So, the “major negative aspect” of my new room is that it play like most of other playbacks with no lateral offset when Sound goes lower.  To do it properly I would need to position my midbass horns at “perfect” locations:

http://www.romythecat.com/Site_Images/Perfect_room.JPG

… which is absolutely not accomplishable in my new room. Still, I know how it “might” be and as time goo by I might try to invent something that would do the same effect by different or by the same means….

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