GoodSoundClub - Romy the Cat's Audio Site

In the Forum: Horn-Loaded Speakers
In the Thread: The concrete midbass horns: The story continues

Post Subject: Some commentsPosted by Romy the Cat on: 1/2/2015

Looking at the second picture, the side view, it looks like a lucid loudspeaker, time-aligned I presume. I think it is time now to experiment with some fancier drivers…. after you change the electronics and crossovers :-)….

Let me to express some comments about what I see. I do not mean criticize it but rather to cover some conceptual area that you might pay attention (or discard, which would be fine as well).

I see a Sunfier subwoofer on the floor. Trash it, I truly mean it. This is hugely defective thing for sound. I understand that it add some "weight" and the bottom to you but it also entrenches in you wrong expectations about bass.

Considering the location of your horn and your skills to make the horns with your own hands you might want to add one lower MF channel above the tweeter.

The Beyma TPL-150H tweeter is a bit controversial choose. It is MF driver that handle 100W at 1000hz. Since your TAD 4001 goes relatively high and I presume you cross somewhere around above 10000Hz and, the area where Beyma is compromised as it is too heavy driver. It is not to mention that you use it with "a tweeter cap" , which is just a first order – a VERY slow slope for MF driver to be used as a tweeter.

The walls of your rooms and the window are very dusty. I do not mean the cleanliness but acoustic dust they create. You can try the temporary chuppah techniques to test it yourself. You do need to deal with it.

If you have spaces then try to move your home at least 2-3 feet further from the back wall.

The bass horn. This is not controversial. I do understand and appreciate the efforts you spend to make it possible and the idea looks like elegant but I do not think that it good for sound. You see, you are sitting pretty much in the mouth of the horn and at this location the LF is not former properly and as a result you do not hear right sound. You need to have space to let the LF to be developed. Another day make the experiment and place your MF horns at the bass's exit location and move your listening location at another side of the room. You will need to make a LOT of changes in your crossovers (D-crossovers are great for that) but after flattening the system do some targeting listening and pay attention how the texture of your bass cangue. I promise you it will be very different sound.

BTW, your Cat in the Horn is a magnificent and beautiful creature!

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