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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I agree Steverino, IMHO Bass in the most tricky part of audio!
A couple of things I found out that help. Most importantly, Time Alignment! Not just between the channels crossing right to the next frequencies, but the whole system should be time alig...
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I got an email from a site visitor informing me that there us a set of cheap ALE drivers at London Craigslist: http://london.craigslist.co.uk/eld/4435844980.html(copy locally to have it available after the Craigslist posting will be gone) "ALE Acoust...
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Romy, I have been trying to explain to myself what happened and how I got to it and trying to recreate this wonderful boiling point.
I tried to make a write up of all the steps needed in order to make it happen, but it is ever so elusive. I ...
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[quote user="Murataltuev"] What Macondo
axioms are breaking with using GOTO 146 with 4" exit in say 150Hz Tractix
?Why you don't recomment to do it ? [/quote]
Of cause not but did you read and understand the Macondo
Axioms? The Macondo Axioms p...
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It is looking like I will be constructing the 45Hz horn before some of the others. In considering time-alignment I went back through some of our posts and found this :
Quote from Romy : "...There is another option. Last year, or even before, when...
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[quote user="misnacat"] FM is a large part of my entertainment be it the car, boat or home, My Accuphase T100 was checked over and aligned back sometime in the late 1990s by a local fellow that is now deceased.I would like to have my tuner looked...
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I should have said UP or Down in the listening chair. Toward and away from the speakers will also do it, unless you're sitting midway between tweeter and mid of course, but not to the extent of up/down will.I just did an experiment with some fishing ...
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Herman,
I am not familiar with your driver and I do not know those horns. It looks like they are 200Hz horns through….
You shall not worry about your horns create any shadow. As I understand you use digital crossovers with your horns and if...
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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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de Charlus,I don't think that you are taking the posts the way that they were meant.Your initial post started with a collection of what you consider to be the finest drivers for specific tasks. That is just fine and you may well be correct.The real j...
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Well, Bill, I disagree what you're
saying. I disagree with surround sound, I disagree with the concert Hall
experience and I disagree with objectives to reconstruct concert Hall
experience. I'm not denying concert Hall experience itself I'm just s...
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Paul: for two channel recordings:For Romy's method to work perfectly, there should be no ambiance in the recording so that he can fill in the room ambiance with his stored reflections program. I don't think how many mikes used would make a difference...
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Here's a threeway with the BMS coax like in your orpheans nested in what i think is a 80hz horn which is driven by 2x15"sI'm not sure how well the time alignment works. I think the woofers are a bit too far back.in any case:[url]http://www.codaaudio....
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[quote user="Bud"]My first choice would be a Sony SACD recorder with storage in SACD format. Quite expensive, but I would not use an expensive Sony playback device. Their early models (still available new on ebay) were designed to show how much bette...
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Romy, does the REL use capacitance or inductance tuning? I was thinking H. Of course all the old caps are shot. That's another case where the True Vintage Believers (TVB) are really too funny, when they insist on "original" par...
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Checking if you playback can discriminate absolute polarity is very simple and very effective way to find out if you acoustic system is not fundamentally faulty. Flip the polarity and monitor the result. If you did not experience dramatic changes at ...
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[quote user="slowmotion"]I'm not so critical as you to open baffles for midbass, tho, in fact I think they can be made to work quite well, if one doesn't have the room for midbasshorns. [/quote]
You suggest that open baffles might be more successful...
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I am thinking that there is an explanation and it has to do with a narrow sweet spot, where the large system sums properly with reduced amount of chaotic room reflections, with a smeared timing. I noticed a similar effect with my system and if I redu...
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Coco, reviewing what Steve do I am not impressed with the direction he is doing now. The initial move with 5-way configurations was very good but not is the more delicate part start – to make all of it to sound right. A few comments that he and t...
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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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[quote user="Romy the Cat"]
Welcome to the state of the lost virginity. In fact the expresses of the 98 percent of people worldwide are irrelevant as if you know how time-misaligned sound horns then you would automatically discard whatever ...
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[quote user="Paul S"]Romy, I seem to remember J. Peter Moncrieff doing something like this a couple of decades ago, and he eventually "explained" it much as you have just done.I wonder if this approach is +/- doomed to a sort of "hazy" presentation, ...
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"Best bass" is of course a matter of opinion based on experience and expectations. The (original) Hartsfield LF driver is certainly "designed for horn loading", like the Vitavox AK-151, whereas the AK-150 and the JBL D-130 are designed to be direct r...
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I find an interring house that I like. Ironically it is very much not what I was looking audio-wise. It has a lot of real-estate lucidness and I feel it has a lot of very interesting audio opportunities. The listening room is small, 2 times small...
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decoud
The stereo lab store prices seem very reasonable, considering the cost and work of molds making, shipping is something else altogether, another factor yet, but my question always comes back to the tractrix curve, there is always a loss ...
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[quote user="MINGSU"]As you pointed out, there is no simple answer but manufacture recommendation should be the 1st to try.[/quote] Well, I have no idea why you stress the manufacture recommendations. I do not think it was the subject at all, not to ...
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[quote user="Winnie"]In talking with Shelly Katz a few days ago, I brought up the topic of how sound is perceived in the context of layered sound or indeed oops. He is a very busy man and we did not have long to develop the conversation, but this is ...
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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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This weekend wife told me that I should not do nothing else
but to fix my playback and this was exactly what I wanted to do. Yesterday I took
good 14 hours to play with it, moving boxes, trying to find a good
configuration, making measurements, th...
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[quote user="drdna"] Honestly for now, the character of the tuner is unobtrusive enough that I notice mostly the problems I have with the preamplifier and the electricity. However, I would be interested about what you had thought at this point to be ...
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