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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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[quote user="Romy the Cat"]Did you try to buy a cartridge, recognize that you do not like something and to try to return it back? Good luck with it.I think in today would we lost the battle for cartridge QA and we need to knowledge that the industry ...
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Jorge, that is good but a few thighs I would like to mention in this approach:
1) What you depict will work with tractrix or conical horn but not hyperbolic curve. The hyperbolic has own “swell” into exponential curve that would make it to...
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I have never contacted Mr Andreoli but his fax number was passed onto me for a friend by Christian Rintelen of HiFi Scene magazine in Switzerland. Maybe the fax number is also Andreoli's 'phone number? Christian said that he is not online.
25micro...
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No word from Blumenhofer yet.
What about the various loudspeakers with conical horns available from Oswald's Mill; has anyone heard these?
...
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Hello again Romy and cats... sorry so slow in replying to this thread... the recent posts generated an automatic email reminder... :^)so a few things... one, there is a pair of Goto 370 on eBay and pictures of insides... the newer ones are made the s...
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Outdoor performances always seem to me to fall short of indoor ones, and there are plenty of reasons why this should be so, but there is something attractive about a horn installation in a garden...it ought really to be made of rock, of course, f...
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[quote user="Romy the Cat"]
haralanov wrote:Just a short example: the horns with round mouth have the worst possible performance in terms of sound complexity and they are champions in achieving the so called “open, but closed within itself” type of...
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[quote user="MochaMike"]A stereo three way horn system with a dual concentric 15" woofers backloaded to 50 cycles and front loaded with a short round tractrix horn 200-800 cycles handed off to the concentric 2" com...
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[quote user="drdna"] To me, there are three types of problems:
1a) grime piled on top of a record1b) defective vinyl piled on top of a record2) scratches cutting into the vinyl
Type 1 deflects the needle upward and Type 2 deflects the needl...
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Excerpted from:http://www.volvotreter.de/pics_plans.htm
Design Basis Summary
total horn length (incl. back chamber) shall not exceed 1,00m
the horn shall have conical approximation of a hyperbolic flare contur with m=0.6
the horn shall have a...
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My amp is a stereo 2a3 / 45 .
Lately I find my self listening in mono because of the area of my apartment and because I can focus better on the reproduction .
So this is not a stereo / mono discussion , just better for my needs .
Im planning...
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Here are some my ideas for an “Unlimited Turntable”. Feel free to share some of your ideas… An “Unlimited Turntable” should allow multiple arms. It should be a good quality arm with a good stereo cartridge…. Also, it should be a good quality arm with...
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There were plenty it of them made: Techniques 9500, Excusive 2301, Iwatas, JBL 2350 and JBL 2345, Vitavox (narrow) and few others … They kind of very strange horns and I always was suspicions about them. Though my suspicions are purely theoretical: a...
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Erik,
The high pressure zone near the throat does not create distortions; the distortions (the turbulence of the wave’s front) are created right after that zone (according to William Hall, MIT, 1932, though no one said hat he is right). Also, it is ...
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It looks like my “friend” from UK turned straight and made a frame for him horns:
http://www.diyaudio.com/forums/multi-way/189377-5-way-project-tapped-bass-mids-tweeter-big-boy-system-7.html#post2831521
http://www.hifiwigwam...
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[quote user="Jeffrey Jackson"] I feel that the first decision when designing a horn speaker is to decide how many horns and the corresponding crossover points.. then pray that suitable drivers exist.. if not, then make them... [/quote]
I’m rel...
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I have no idea what he is and what he is looking for. He declares himself as “just an average guy in an average basement shop building hi-fi audio horn speakers from wood”. I do not even know in what country his leaves, not that it is important...
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Looking at the variety of exponential, parabolic, conical, tractrix, hyperbolic and whatever ales horn profiles out there I was thinking that we probably incorrectly approach the entire subject of horn profile analyses.
We listen the horns and we fe...
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[quote user="RonyWeissman"]What is the problem ? Listening to the, for example, rca victor red-seal recordings of CSO /Reiner I hear midbass weight, presence and realism that I do not have with the shelter. It is not the pushing forward or highl...
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[quote user="Brian Clark"]
Ed wrote:
Someone I know has just sent his 103R off to get a ruby cantilever fitted.Why, wasn't stock *H*I*F*I* enough for him? Brian[/quote]Hello Daddy 'O,Well,the team who are performing this ma...
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[quote user="JLH"] I do not believe you fully understand what Danley is doing with the Synergy horn. [/quote]
Nope, I do not. Well, I understand it but I am not willing to acknowledge that I understand it as the Synergy horn idea looks too fre...
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With the recent changes on my configuration changes and employing the “End of the Live Phonostage”, in duty I re-thinked my analog playback. I got rid to arms and one deck, changed the mapping between the arms and phonostages and ended up with quite ...
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[quote user="Paul S"]Funny, because your "sections 3 - 4" explanation was the perfect response to the first thing/question that popped into my head when I first looked at the picture.
Yes, theoretically, one might "reduce" any flowing dimensio...
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Ok, I blamed the tweeters and MF drivers now the turn of the MF horns. The Mid Frequency Horns (I’ll them “MFH” from now and on) are the stinky like pieces of horn installations, and if they are not done correct then they screw up anything big time T...
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[quote user="RonyWeissman"]…Have you tried…. [/quote]
[quote user="Romy the Cat"]…. in the field of cartridges dissectomy….[/quote]
[quote user="Paul S"]..And I coulda sworn I'd just cleaned 'em...Paul S[/quote]
I spend so time figure out what is ...
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Zagaja, posted an interesting document in the thread “Who builds horns?” It looks like Polish Autotech Company stated to organize their horn in some kind of complete systems. That is already something, a few comment I would like to pass,
The l...
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Hi!
I just thought of something that could have some relation to this topic:
Take a horn with a driver, the driver produces a signal, the pressure wave will travel outwards more or less like a spherical wave front along the axis of the horn, think ...
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Probably not one subject among horn enthusiasts does not arouse as much fantasies as midbass horns. This subject in one way or another was discussed at my site (look for the linked threads) but I would light look at the subject of the Midbass ho...
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I asked Alex who got those tweeter from him and he said that it was Stavros Danos from Cyprus. So, it was the Greek guy that we have meet before on the pages of my site:
http://www.goodsoundclub.com/Forums/ShowPost.aspx?postID=12129#1212...
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[quote user="guy sergeant"]One issue that I would consider is that the Tractrix profile supposedly does not lend itself aswell to extremely low frequency horns (being too short) as other profiles in particular the Hypex (Salmon) shape. [/quote]
Yep,...
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