The Sequerra MET uses a dome tweeter too :Sequerra Online Home
Some people like its sound although the MET measures poorly.
Some people like its sound although the MET measures poorly.
(with 4 in a vertical line for the upper mid.s):
http://www.tymphany.com/files/TC5FB00-04 Preliminary spec sheet Rve2_0 101112.pdf
The Madisound Speaker Store
http://www.tymphany.com/files/TC5FB00-04 Preliminary spec sheet Rve2_0 101112.pdf
The Madisound Speaker Store
Didn't Troels do something with that tymphany unit lately?
I wonder if the bass filter was no good? Maybe a Mickey Mouse first order filter on the treble too. Why do people do this? I definitely like second order bass at least, with a bit of resistance in the capacitor bass shunt.
But the tweeter with phase plug is a nice idea. I've had similar notions myself.
But really, Joachim, I was just throwing a few ideas at you to get your creative side going. A heck of a lot of what I've learned is in reading your stuff!
I wonder if the bass filter was no good? Maybe a Mickey Mouse first order filter on the treble too. Why do people do this? I definitely like second order bass at least, with a bit of resistance in the capacitor bass shunt.
But the tweeter with phase plug is a nice idea. I've had similar notions myself.
But really, Joachim, I was just throwing a few ideas at you to get your creative side going. A heck of a lot of what I've learned is in reading your stuff!
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I also have this one :http://quint-audio.com/qaudio/files/ne19vtc-04_rev2_1.pdf
My tendency is for a softdome though. I really whould like to make a clone of the CL190.
I restored a pair for a friend so it will be fun to compare both.
This is not about the absolute best sound. The goal is to use more or less the same technology then in the 70th but with a ( hopefully ) better crossover.
My tendency is for a softdome though. I really whould like to make a clone of the CL190.
I restored a pair for a friend so it will be fun to compare both.
This is not about the absolute best sound. The goal is to use more or less the same technology then in the 70th but with a ( hopefully ) better crossover.
For the lower tweeter i will use this :
http://www.lautsprechershop.de/pdf/wavecor/wavecor_tw030wa06.pdf
So i decided against the Audax. I think the Wavecor is more modern and better.
The membrane is only 30mm in diameter and not 34mm but it has a wide surround and goes deep.
http://www.lautsprechershop.de/pdf/wavecor/wavecor_tw030wa06.pdf
So i decided against the Audax. I think the Wavecor is more modern and better.
The membrane is only 30mm in diameter and not 34mm but it has a wide surround and goes deep.
Now i am thinking about the cabinet.
For the woofer a closed cabinet of ca. 70 liters is ideal.
It will then have a butterworth response.
The DUAL CL190 has a rather flat and wide cabinet.
I thought that there is only a little step when i go to this :
Google-Ergebnis für http://i234.photobucket.com/albums/ee133/rsfmotoman/BoAcA400_3971.jpg
I heard that speaker over 20 years ago and it sounded great.
That cabinet shape also has the advantage of very little baffle step and it does not need a stand.
So what i will build is a mix of german and american vintage.
For the woofer a closed cabinet of ca. 70 liters is ideal.
It will then have a butterworth response.
The DUAL CL190 has a rather flat and wide cabinet.
I thought that there is only a little step when i go to this :
Google-Ergebnis für http://i234.photobucket.com/albums/ee133/rsfmotoman/BoAcA400_3971.jpg
I heard that speaker over 20 years ago and it sounded great.
That cabinet shape also has the advantage of very little baffle step and it does not need a stand.
So what i will build is a mix of german and american vintage.
I have now all drivers in house.
I think this is an impressive asortment by any means, and even not that expensive.
I am contemplating two layouts :
One is the more modern inline of the midranges, the other is the traditional side by side.
I am gavitating towards the side by side.
It looks more compact to me.
I think this is an impressive asortment by any means, and even not that expensive.
I am contemplating two layouts :
One is the more modern inline of the midranges, the other is the traditional side by side.
I am gavitating towards the side by side.
It looks more compact to me.
Attachments
-unless you are pushing that lower tweeter *really* low (with a relatively low low-pass for the mid.s), it's not something I'd do (..and I don't know why it as done originally). At the very least that first meter is going to have a strange polar pattern.. but if the standard listening distance is 3+ meters then it may not be much of an issue.
If you had used the peerless 1.5" cone mid-tweet in a x4 "line" it would have been more viable IMO.
-speaking of Peerless, have you seen their new "preliminary" drivers (in their "Silver" line)? Might have been interesting to use them in a design like this.
http://www.tymphany.com/peerless/woofers
http://www.tymphany.com/peerless/full-range
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hi joachim, will you make the crossover available after the speaker is done?
Just to be sure, you will use those drivers:
The Madisound Speaker Store
The Madisound Speaker Store
Test Wavecor TW022WA06
Wavecor TW030WA05-01 (ea.)
thanks
Just to be sure, you will use those drivers:
The Madisound Speaker Store
The Madisound Speaker Store
Test Wavecor TW022WA06
Wavecor TW030WA05-01 (ea.)
thanks
hi joachim, thanks a lot!
I hope you will also publish the cabinet plan, I will most likely build this speaker as a reference!
keep us posted and thanks for sharing this exciting project
what will be the approx xo point?
just to be sure, this is the right mid?
http://www.madisoundspeakerstore.com/approx-5-woofers/peerless-830656-5.25-woofer/
I hope you will also publish the cabinet plan, I will most likely build this speaker as a reference!
keep us posted and thanks for sharing this exciting project
what will be the approx xo point?
just to be sure, this is the right mid?
http://www.madisoundspeakerstore.com/approx-5-woofers/peerless-830656-5.25-woofer/
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For those who aren't aware, Zaph has the lower tweeter (without ferrofluid) tested on his Blog:
Zaph|Audio
http://www.zaphaudio.com/temp/Wavecor-TW030WA05-01-FR.gif
http://www.zaphaudio.com/temp/Wavecor-TW030WA05-01-HD.gif
http://www.zaphaudio.com/temp/Wavecor-TW030WA05-01-IMP-2.gif
http://www.zaphaudio.com/temp/Wavecor-TW030WA05-01-CSD.gif
The harmonic distortion of the ferrofluid version at lower freq.s should be even better.
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