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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"] When I have my old transformer 11:1 then I had the midbass horns calibrated so perfectly that you can tune a large symphonic orchestra by it sound. It was spectacularly stop-on setting with any type of music if played it n...
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John, I disagree.
No one deny the importance of harmonics and you are right saying that “If a speaker does not reproduce the harmonics correctly, then the tone is not reproduced correctly.” However you are talking about a complete speaker, not...
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[quote user="haralanov"]Are there any signs for worsened transient response of your midbass channel due to the sharp electrical filtering?[/quote]Nothing that I note. The transient response of your midbass channel is a bit tricky thing as the way how...
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[quote user="Romy the Cat"] To my huge surprise and pleasure my midbass horn has absolutely no honk. I heard bass honk in ANY, even the best midbass horns that I heard (BTW, some honk does not bothers me and I even consider it desirable). [/quote] T...
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Since I got my stable and good quality electricity back I recalibrated my bass horn. Again, I set it up with very precisely and absolutely without any measurements, juts by ear, to sound exactly how I want it to sound. This is in a way my crown jewel...
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Listening my new midbass horn, just left channel for now, I would like to share my observation so far about sonic result of the project. Generally the sonic result of the project have exceed my expectations, however not always in the directions ...
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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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[quote user="Romy the Cat"] Still, I did not mention the most important thing about my new midbass horn. This most important and the most astonishing new characteristic of Sound I did not pursue and I got it purely accidently. I did not talk ab...
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Midbass horn impedanceMidbass frequency responseMidrange frequency responseHigh frequency response...
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[quote user="RF at Ona"] Romy,I might have overlooked something on your site but I understand that your ULF amp is driven directly by the preamp line stage. If that is the case, you may want to consider an old technique for integrating subwoofers...
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Similar to the famous sexist tail that women can be only ether pretty or smart the midbass horns unfortunately behave in the very same way: they can be only nicely placed in a room or they can sound good. You want the horn to place in a specific ...
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[quote user="Romy the Cat"] I have to admit that since the torch of sane sounding horn-loaded loudspeakers nowadays in my hands (among the outspoken people with web presences) I feel sort of an obligation to comment about new interesting species ...
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[quote user="haralanov"] Some time ago I also thought my upper bass channel is flawlessly integrated, but when I added another, symmetrically arranged UB driver (over my WR driver), I quickly understood the new configuration is MUCH more expressive a...
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I want to share what I feel is a good application of an injection channel, as introduced by Romy. But this is different and also useful and i can tell you it works and very well. Of course, I do not recommend to use this application in the same exact...
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I want to share what I feel is a good application of an injection channel, as introduced by Romy. But this is different and also useful and i can tell you it works and very well. Of course, I do not recommend to use this application in the same exact...
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Mani, please keep us posted on your impressions of the bass and midbass. They look wonderful! Are they both in the corners of the room ? Could you please give room dimensions with seating position indicated? I would be very interested in hearing mor...
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...if you want to use it "pure" as it were, without any in-between equalising. Or you could tailor the amp accordingly. I would see a lowther working well mid-high rather than mid-bass.My experience is limited, however, to EX-4 used with wizzer in a ...
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Romy,I actually had one of those horns, as I wrote in the first post. Edgar 80hz straight horn. I sold it long ago because I did not like the sound, no matter what amps I tried it with. The problem was, to me it sounded muddy, no matter what I tried,...
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This thread is old, but I thought that I would add my 2c....
I use a Karlson with EV15L speakers. This fills the gap from 60 to 500 hz nicely. The Karlson is a 6th-order bandpass box, and while it has some resonances above the 2 o...
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Listening my new midbass horn, just left channel for now, I would like to share my observation so far about sonic result of the project. Generally the sonic result of the project have exceed my expectations, however not always in the directions ...
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Got the ultra low DCR toroids coil and pit them in use. Yes, it was very right move and they a bit trimmed the midbass tail. Playing with inductance and listening how the midbass decays (measurements are worthless in this case) I ended up with 4.8mH ...
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This week I will be trying to address why the Milq midbass is clipping. This is very interesting one. Currently the Melquiades LF channel uses an output transformer 700R to 5R or 11.83 to 1. I thought before that I have much lower ratio, like 5:1 bu...
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Hi Roberts, Romy and others,Before this thread vanishes in undeserved obscurity, I have a question or two for you. I understand that the issue is a complex one and should be addressed with more care and paying attention to detail than I am do...
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[quote user="Romy the Cat"]I do feel that a playback sound has to be built first...The way how I trained myself is to disconnect channels. While I was making Macondo, installing it, moving it and experimenting with it I was frequently disconnecting c...
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Decays may not be only from your horn inside mouth ...Try to treat your back chamber(whole area of were your driver radiating sound ) with highly dense materials and use absorbers too.Use acoustic dampers like rubber where your horn mouth contacting ...
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Today is an anniversary as my midbass channel was completed, installed and finished. The horns still did not collapse my house. Below is the picture before and is it is today.
The Cat...
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[quote user="Macman"] Anyways, seeing the back chamber of my midbass horn, you would say that its way to big, no? [/quote] It is very hard to say. You need to measure and to publish the resonance frequency of your loaded driver and view it in context...
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I've had a long-time desire to replace my Edgar 80hz midbass shells with a better performing solution. My Edgarhorns arrived in 2005, and I made incremental improvements over the years until now they have little in common with the original Edgarhorn...
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For me personally, midbass is the most important frequency range when it comes to sound reproduction. I believe you will be on the right track to focus on this range because so often it is overlooked and treated with superficial attention, as a "...
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