jessie.dazzle wrote:

Assuming situation 2 is possible, receiving mid-bass primarily as reflected sound, one would have to take into account the reflected path of that sound, and how it describes the mid-bass part of the image, relative to the MF/HF part of the image; for example, the reflected mid-bass may very well originate on the left, but reach the listener's ear from the right.

haralanov wrote:

Romy, you said there is no proper tone. In your old system/room setup you were very close to the back wall, but now it is far behind you. I'm probably wrong, but I thinkyou don't have proper sound in the mid-upperbass with this configuration which is responsible for loosing the "proper" tonal pressure. Generally it is very complicated and i can't give you any recomendations but in my opinion you must find where is the optimal listening position and to set the acoustic system in context of this zone and in the same time you must find a way how to excite your room to play with Macondo...

Thanks, Haralanov, I always like your thinking, good question. I wonder myself where the tone gone. The same speakers, the same amps the same digital front-end (I did not set up analog yet) but less interesting tone. As the factors that eat Tone I see the following.

1)    My Left channel has only a half distance with PAD Dominus, the rest is Radios Shake cable.

2)    This is I think is a main reason. The room is larger and has consequentially longer reverberation time at HF. It is absolutely not treated in a typical sense of this word and has naked walls as now. The room does not sound “bright” but I think the HF reflections inject the HF noise into MF, producing HF mist that dilute the tone. I still do not want to treat the wall and ceiling with explicit treatment.

My back wall is pretty far, the wall behind the ears is in fact over 15-20 feet away. There is a wall above/behind the listening position that is very bad for reflection and it is bare now. This is the wall what the mouth of the midbass horns will be, so I do not do any action on this wall for now.

I still do not measure anything and juts am collection information about the room.  I for instance discovered last Sunday a very cool way to regulate “bass” I n my room. I need a few pieces of custom furniture for the room (with some acoustic ides bolt in) and it will take for a while to find somebody who would do it as whoever is good looks like booked up to September….

 A better option would be to build cheap diffusers with wheels on them, that you could move around in new room to trouble shoot what is going on. 36X72 With some 2X4 on 16 inch centers with fiberglass in between stapleled with some decretive materal over it. they could make the room look real cool with floral prints on the cloth. This is the best way to find the weakness in sound. It will be a hugh mistake to just start putting foam on walls anywere.

Paul S wrote:

Romy, all this seems to be fairly typical of large-ish listening rooms, along with grotesque lobing and combing.

zako wrote:

ROMY,,,,There is nothing wrong with your room ,,Its perfect,,The room is telling you , that your speakers are wrong...Its time for a clean slate,,,Redesign your totel system...       Maron

msaudio wrote:

I also believe there is little wrong with your new room. Some electrical problems witch is common for new layouts and some light reflective material her and there with some good furniture witch you have been thanking about for a long time anyway. I do believe your speaker topology is correct "But need's to be refined for larger room. Example's, Vitovox driver in the mids should be a larger horn same size as lower mid, This could give more output with no extra input. Your dyna 8 inch woofer in your bass horn should be changed to a EV 12 inch with atleast 98 db at 1 watt this could give you more output with less input. You should try to make your amp's so they donot have to work so hard, being your room is so much larger.