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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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The Other End of the Single End: Modern Horns Done With Flare An Interview With Dr. Bruce Edgarby Dave Glackin, printed in POSITIVE FEEDBACK. 1996
Dave Glackin interviewed Dr. Bruce Edgar in his home, prior to the 1996 WCES. A follow-up on the speak...
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Hi everybody, after reading RomytheCat's Macondo Setup I am very impressed ( phantastic music room ...) . Presently I have no working horns ( they are boxed), just questions.
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I liked your previous post . A week ago I repaired old Telefunken tube radio (Single EL84 with array of alnico speakers ) with FM band and I'm listening to classical public radio for whole week. Not even once I had desire to turn on "big" system I'm ...
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Actually if that horn would not be bending atop, go for another couple feet vertically, consequentially has a smaller throat and of course has a strong back chamber then it would be a very good J-horn (presumably that the walls and joints are not res...
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Can I have some opinions on a potential mid-bass driver for my Altec 515s, as pictured in the attachement? What are the obvious or potential problems I should address?see attached photo: 120 Hz - @800 Hz.For the Altec 515 such a horn should be ...
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Bass horn sub now fitted underneath, with false shelf added for the righ hand side mid bass horn.
The extra height is good....90cm to floor for tweeter, 110cm for the mid horn.
Just a nice BIG wall of sound...wit...
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I've continued thinking about construction since posting my previous laser-cut hallucination (titled "Painless mid-bass horn"...). Thinking mostly about the transition from round driver to rectangular horn... I don't know how...
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Hi Keith,That is an interesting way of setup the S150 horn. Most of GOTO setup that I have seen set the S150 high and point down to listening position. All of them crossover the S150 + SG505TT at 200Hz to 1kHz range. I wish that I h...
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I'm a new reader of your website and one subject which interests me a lot is that of upper bass horns.As you have noted time and again (with which I agree almost completely, after reading a lot of 'research' [many claiming to defy the laws of physics...
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[quote user="Romy the Cat"] A few years back I wrote somewhere that I “developed” a semi-mathematical formula according to which an acoustic system’s result might be absolutely objectively weighed up. I did not go very far with advisement of this eq...
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Actually it is very interesting question and I almost feel you pain for decision you will be making. I do not think that anyone would be able to express any arbitral opinion about the subject, as least an opinion that worth to follow. You see, buildi...
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The actual first reflection of my horn is not from the side wall or floor but from the back wall. The horn is actually against the side wall and floor which gives it the configuration of a quarter horn with the side wall and floor acting as an extens...
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Hi romy, mine are the 515-G drivers. I will be x-ing over at 600hz to Vitavox S2's (2nd order, yipes!). The S2s are in 320hz LeCleach horns. I was kind of hoping for just a general reply like when you guys look at a pictu...
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I understand your point of view concerning 'vintage' in comparison to 'contemporary'. What I find the most troubling with many of the present/contemporary attempts in design is that many people claim to have a truly horn loaded system capable o...
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I concur the objective to acquire performance in the desired frequency range must predominate most other considerations of design.My objective for the design of the mid/upper bass horn is to attain effortless, smooth, real-world horn-loaded response ...
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In considering integration of my own mid-bass horns, and how I'd ideally like to do it, I too passed by the underground, up-firing solution, and very much like this approach. I do however have a preference for inverting the concept, resulting in a do...
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It is a bit far…
http://atlas.mapquest.com/maps/map.adp?searchtype=address&formtype=latlong&latlongtype=degrees&latdeg=42&latmin=16&latsec=12&longdeg=-70&longmin=45&longsec=30
but it has 114-foot c...
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Scott,thanks I got it now.......
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Hello Romy and everyone here, Thanks again for your thoughts on the large horns. It seems best to start a new thread, as previous threads dealing with the "10-Footer" originally began as discussions of other subjects. Romy, you may want to move previ...
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Romy wrote (in the "It’s mad, mad, mad... electricity." thread):"...I might not have enough power in new room for my woofer towers and it would force to use class A/B SS amp..."You've mentioned on more than one occasion how much you love what you...
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I would like to build great horns for the bass as deep as possible and I use 4 woofer altec 416th.
the listening room is 25 square meter, dont have aesthetic problems.suggestions? ...
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I have to disagree with you here. Until you've heard the bass from a JBL Hartsfield, you haven't heard bass. Best bass I've heard period. I'm curious if the Vitavox is of the same caliber. ...
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I think I can imagine how a complex, sophisticated presentation can be too "unnecessarily demanding", in lieu of a better phrase, in a long run in family life circumstances. I sometimes suffer similar problems (I imagine others too).
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I initially meant to put this post into my midbass thread (linked above) but then I decided that the subjects is self-important and it worth to separate in standalone thread. In fact this idea was formulated to months ago but I was holding to po...
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Rakesh,Thank you for your kind remarks. I appreciate the close scrutiny you have given my previous post but I think you are at a stage of system design where many basics of your system should be considered and evaluated before the issues of my po...
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Hi Romy…and fellow audio nutters. I’ve bitten the bullet, and shifted from BLH to front-loaded. Yes, I was an idiot, a moron for not doing this sooner. My project is ‘humble’ by Romy’s standard…but I feel it meets the following objectives I h...
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Drawing of dual LF bass horn.Romy, here's a sketch of how I might be able to build the LF bass horns...per my post above.Regards....
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http://phys.org/news/2013-05-sheerwind-invelox-turbine-power.html
I tried to start this in a New Thread, but I did not know how members start a thread. Build a custom driver & throat adapter for this & shake a cit...
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I was pitching before that to make a loudspeaker with integrated LF module you have no ethical right to charge more then let say $20K retail. If you charge more then you have no mechanism to deliver anything for the money people pay. However, if you...
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[quote user="jeff1225"]Yes Rommy I agree with most of your comments above. What I found interesting in the larger installation was the time alignment and the bass implementation. I do disagree with your statement of not stopping by to see the Hornfab...
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