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In Reply to: RE: first mdf tractrix horns made posted by Jacobusje on August 21, 2007 at 06:32:29
i guess it will take some time, until i can tell you. i am searching still some parts to make the filter, and start to tweak around. but when i can tell something, i certainly will post here. good is that i can compare then with the orpheans.
best Angelo
Follow Ups:
Well, keep us updated. you said you can compare them to the Orpheans? do you have the Orpheans yourself?
BTW what are you to use for the bass section? I presume you are making a 2-way?
hi
yes, i have the orpheans . i will use a beyma 15", lx60, active, up the 300hz/24db, and above the horn.
In my opinion, the BMS4592 needs a biger horn, to work optimal until 300hz, like the Jabo72. In the 56cm diameter horn, it would work better until 500hz, no more. The Radian is the same. Using a horn up to 80cm diameter, like Vincent Brient, it can go as low as 200hz.
I will post abought my results here.
best Angelo
Interesting, a similar set-up as I would like to use. Only I will use a 15inch Ciare driver. I was also thinking of using the Radians. You said you are going active, 24dB at 300Hz for both the woofer and horn I presume. Are you going to use a DSP?
Jacob
hello Jacob
i visit recently Ciare factory. You see the pictures at my fotoblog.
their pro subwoofers are weatherprotected for outdoor use. It would be interesting if they would make a woofer only with papercone, without impregnating, and use a stronger motor. They will make a prototype for me.
In the first pair of Sonatas,I go active with the bass, and the orpheans from BD-design witch i use come with built in crossover, crossed at 300hz, too.
The Radians, crossed at 300hz, will need a bigger horn than i am using in this system. What horn do you pretend to use ?
Probably still this week i will have pictures, with this system finished.
rds Angelo
Hi,
I'm planning to cross at 500Hz using a JABO KH50B horn. I'm planning to go either 12dB/oct passive or go active using DSP, did not decide yet.
Jacob
hello Jacobthe resonance frequence of the radian 950pb is 550hz. So the best crossover frequency is 1000hz. I will use it first in a 4way speaker, crossed at this frequency. This does not meen with 500hz it will not work well and sound nice. if you did not buy it yet, and need a cheap source, you can send me a email.
best Angelo
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