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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Hello John,The woofer is Fane Studio 8M and throat diameter on the 115Hz horn is 5.56".The initial 4.5" depth of the throat is made up by 6 MDF pieces with rough edges (awaiting bondo smoothing).I can easily add 3/4" pieces to the throat section to m...
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If you know how in some optical systems imagery get destroyed when an aperture getting closed to F64 or even smaller, then you understand what happens in compression driver when frequency get higher and spaces smaller. Yes, the proximity of wavelengt...
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Thanks, Paul
I have seen your comment about the TAD bug screens at AA. The bug screens are a touchy subject – with some driver removing them works fine with some made sound worse. I did not experiment with TAD’s bug screens…
Generally the bug scree...
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[quote user="Romy the Cat"]Of cause not but did you read and understand the Macondo
Axioms? The Macondo Axioms proclaims that an individual driver and individual channel
have to be set in maximum suitable for own topology operation. According to Go...
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Hi Ronnie, There are a few things that could be causing the alien sounds you site. One, of course, could be certain frequency nodes being excited by room reflections. As long as your room is reasonably dampened, this would not...
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Just a quick note.I tired a JBL 3" compression driver 2490h model with original Titanium diaphragms on a 120 hz Tacrix horn. I got a response down to 200 hz. How did it sound? It sounded good clear and transparent but it lacked a little tone imho...
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Does anyone know anything about this German company called hornsolutions.de that advertsies on ebay and offers a driver that promises to reach 80Hz?See link below for ebay page:http://www.ebay.de/itm/Kompressionstreiber-Compressiondriver-80Hz-bis-500...
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I was listening last night a string quartet rehearsal. The play was for the most part justifiably non-so-glorious and I was thinking about my little audio things. For sure our upper MF drivers nowhere near where they need to be. There is too much...
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For those seeking some decent compression drivers that don`t cost fortune, I can suggest to try the Eighteen Sound ND1460A compression driver. It has aluminum dome and polyester suspension and 1,4 inch exit throat. Does it sound like S2 ? Probably no...
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Nope, I never heard about those
drivers. For sure a compression driver that goes down to 80Hz might be interesting.
A few concerns I would have however.
The people who make such a
driver would not come from nowhere but they rather would b...
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Hi thereFor some time its bugging me that compression drivers got a very heavy but odd load of air coupling on the membrane. I saw a scatch here to put ideally 2 Horns on each side of the driveway to balance it. That's obviously not so economically :...
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[quote user="haralanov"] Also instead of using electrical tape, try to seal the back of the driver with a 2mm thick sheet of microperforated tonewood and then glue a leather layer over it. Then you could also pierce multiple tiny holes in the leather...
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While seeking for a CD capable of covering a low mid range, say from 300hz or under, I am offered a pair of TOA compression drivers of rather impressive size. Unfortunatelly a seller has no clue what model it is, except "it sounds as seducing as ...
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[quote user="Romy the Cat"]I will slowly upload, as time permits to write them, different posts on the subject of Ultimate MF Compression Driver. [/quote]
The subject of bandwidth for Ultimate MF Compression Driver is complicated subject. If ...
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Hello,This is my first post to this site, which I have been absorbing for over a year.A horn project that I have been considering would include either a 1 inch or 1.5 inch throat compression driver into a Tractrix profile horn of which I have not yet...
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[quote user="Johan Dreyer"] I had a SG370 mid apart only yesterday.I should have taken a photograph. I have also seen the inside of the tweeter. They are very similar, so I have no reason to suppose the low mid SG 505 will be much different. I'll try...
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Yes, all you said about the Fostex and heavy mouth MF seems reasonable. I don't know what's wrong, but I get the feeling that it's sort of hollow-sounding and could be much more loaded. I'll finish the horns completely before any final conclusions.In...
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I did not like the two slit configuration of the phase plug..but the five to one compression ratio produced low distortion,,,but i was not impressed with its bandwidth,,,JBL also used a eight inch speaker assembled to a special phase plug,, You will...
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Here I would like to have a thread dedicated to a hypothetical ultimate MF compression driver. Use the existing, know to you compression drives as references. Any thoughts? The Cat...
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[quote user="Romy the Cat"]Here I would like to have a thread dedicated to a hypothetical ultimate MF compression driver. Use the existing, know to you compression drives as references. Any thoughts? [/quote]I will slowly upload, as time permits to ...
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[quote user="horny"]… me too would like to achieve as good as possible violin reproduction without spending a fortune on exotic or vintage drivers.[/quote]
I have voiced my frustrations about many contemporary compression drivers. People who manufac...
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[quote user="be"] "another big selling point to me was the 505 being a low resonance compression driver.. there just aren't many drivers with a resonance in the 80 to 100 Hz range like this driver... I have just begun my playing, but am already quite...
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[quote user="Romy the Cat"]I will slowly upload, as time permits to write them, different posts on the subject of Ultimate MF Compression Driver. [/quote]
The subject of bandwidth for Ultimate MF Compression Driver is complicated subject. If ...
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Hm,… yes and no. Inductance is not necessary an evil. Well, it is an evil for open-top-end drivers but you need to look at the life of compression driver all around and then you understand that inductance is not limiting evil. Sure with grow of diame...
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Here is another subject that many people would not understand, however some of the advanced Vitavox S2 user will be able to follow me.
The MF compression drivers hat go all the way to 12K-13K region all have own idiosyncratic way to present ow...
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Hm, Yes, I kind of forgot the idea of multiple compression drivers blowing into the same throat. I never was too warm to it but I do admit that it would minimize the length of the horn. For sure the right solution would be to make compression driver ...
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[quote user="Romy the Cat"]Here I would like to have a thread dedicated to a hypothetical ultimate MF compression driver. Use the existing, know to you compression drives as references. Any thoughts? [/quote]I will slowly upload, as time permits to ...
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[quote user="Romy the Cat"]I will slowly upload, as time permits to write them, different posts on the subject of Ultimate MF Compression Driver. [/quote]This will be a bit controversial subject among the compression drivers users but it is only ...
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CATEGORIES: 2100 - Mid and mid-bass cone transducers 2200 - Low frequency transduc...
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I would like to pass some summarizing observations and some generalizations regarding the entire “Water Drop” project.
THE IDEA
The idea of trying to find a tweeter to compliment Macondo was a good idea. Many of you know that I was proudly declari...
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