Rerurn to Romy the Cat's Site


In the Forum: Horn-Loaded Speakers
In the Thread: Bye-Bye, Fane
Post Subject: Here and there....Posted by Romy the Cat on: 4/22/2011
fiogf49gjkf0d

 Jorge wrote:
I am not using the S2 driver, I have been going the long way testing a bunch of different compression drivers.  Right now I am testing the TAD 2001,  I can say leaving it full range going all the way up, it develops a certain tone in highs that I dont think I could live with in the long run, sort of sugary whizzer like sound, but taking away the tweeter does bring a nice soundstage and a more intimate sound,  for women voices, they are hipnotic, with very deep soundstage and a proximity very hard to find. 

Yes, TADs have this quality. Sugary whizzer is a good description. I call it syntactic tacky sound – very much like Weiss DACs

 Jorge wrote:
Now crosing them with a low pass at 10 khz-15 khz they get better with big orchestral music with a more natural tone, but it is not a very resolving driver IMHO.  My Favorite at the moment is the Beyma 755nd,  they have 2.2 tesla on the coil and titanium diaphragm with a plastic suspension.  I have tried and lived for a while with a bunch of different compresison drivers,  some are; Altec 806, Beyma cp385nd,(not reallly worth mentioning); 18sound 2060A which sports an aluminum diaphragm with plastic suspension and 1.9 tesla magnet, it is very good and musical, but not as resoving as it big brother 18sound 1480nd, with a titanium diaphragm and plastic suspension and 2.2 tesla.  this one is very very close to the Beyma 755,  it was hard for me to choose one over the other,  but I think the tone of the beyma is a bit better.  I also tried the Radian 950bp  with aluminum diaphram and plastic suspension,  that one was a bit harder on the ears and needed a biger horn and thin wire,  I guess the 4" diaphragm made a difference.  Next on the list I guess will be GOTO 350, I am also hunting down a pair of S2 drivers...
 The search for a good MF driver is very interesting subject, well deserving own thread. When you conclude your research then post your findings. 
 Jorge wrote:
I am also thinking of making a pair of 1.2 meter diameter round tactrix horns trhat should go down to 90 hz,  floor coupled maybe real 80 hz. Cut them at 300 hz and use the 2490 from there uo to 1 khz, But this may take a while...

Hm, 1.2 meter diameter would be a bit hard to setup in playback as you need 16” for MF, so how high will be your MF located? Doing it you might effectively make your playback to work only in far field…. In my estimate one meter or 39” is the max diameter of tratrix that is more or less manageable. I think that it is too expensive to get extra 20% horn size for 10Hz. I feel is better to add extension to bass channel then to rive upperbass lower.

The Cat

Rerurn to Romy the Cat's Site