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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Romy,
Just to be sure, I ran all the tests again today, but this time at various volume levels.
I got exactly the same results as yesterday.
To answer your question (sorry it took me this long) : Yes I do use metal suspension on all 4 S2s....
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[quote user="cv"] I gather the Acapella plasma tweeters have a catalyst so you don't get the nasty oxides/ozone etc. Got some old ionofanes on the way so will know soon how well they freshen up the room... They are self-amplified so efficiency ...
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Unicon, the RESONANCE that you deal while you tightening to loosening screws does not deals with TIME . Perhaps it is the semantics that you feel comfortable but still I would live mass resonance to mass domain and would not confuse it.
The e...
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I'm following with interest the thread and must say that I'm baffled: Goto's "instructions" are - SIMPLY said - a mix between non-existent and wrong... I love what Goto's did in my system... BUT I think I did more with "my own" care, "my own" taste, ...
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Hi Romy,Well, this is my (and my dad's) first horn system so we're learning/building one step at a time. Our motivation is simple, to use horns as low as possible.The very first DIY configuration was:TAD ET-703TAD 4002GOTO 505TTTAD 1603 Woo...
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Pierre, yes, I understand it. It kind or irrelevant what they destined for and yes, in domestic applications in context of low power we can use it lower. What I am saying is that as we do use it at extreme low range we deal with slightly overdamped d...
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Romy wrote:"...In regular audio we accustom that any loud midbass tone get converted to sort of speed bump. You run a high speed, hit the bump and have your “point of no return”, what you fly in air and you have a generic expectations that the landin...
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[quote user="morespeakers2"] I am not against trying the S2 in the future but I was just curious about the very small details to cause compression drivers make their different sounds before running out and trying any more drivers. I upset a few speak...
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Yes, the exit look like WE 555 exit and if they use the original
type of diaphragms then good luck to get 80Hz from it. You need to go with very
long slow opening neck to raise more EQ. I do not like this approach. From Western
Electric 15A and a ...
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[quote user="slack key"] As for audio problems, you are correct, I really have to sit back and think about what to do. Sure I want to improve what is now lacking.... soundstage, imaging and depth. As for the sound, of course, I like the sound o...
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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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Adrian,
This it truly complicated question. The Titans’ upperbass (the better one, curved, with 12” driver) is not realty HF capable and it makes a MF driver need to go all the way down to probably 500Hz (I do not know what Bruce dies in the crossov...
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We, the horn people, know what the compression drivers could do. The controlled dispersion, low distortions, low mechanical dependency, low magnetic anomalies, high efficiency, higher maximum dynamics and many-many more advance are well known. The te...
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Hi Klaus,
Spec sheet on the bass driver you plan to use here: http://www.greatplainsaudio.com/downloads/515_G.pdf Just to be clear, mid bass to me means from 60Hz - 240Hz.
Throat diameter : 9.9 inches ?I'm just a beginner, ...
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[quote user="drdna"]
I chose this for a sound most free from "graininess" which may change with PP2000. However, what is the rationale to change the impedence loading on the tube, from your perspective? As you know the Magnequest OPT has taps for 4,...
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[quote user="ayebee"] The horns that Stereo Lab make are very good, especially considering the relatively modest prices. I bought the "Ultra-Fi" version of the 140Hz horns and they are of course not completely free of resonance ….Present system consi...
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I know that tweeters is a “lost subject” and it is hard to talk about tweeters with audio people. Everyone understand tweeters differently, primary in context of this systems or even more correctly – in context of this frustrations with thier current...
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[quote
user="martinshorn"]But I replied assuming such a question is raised
by someone who has experienced DIY background and basics how to „design sound“.
This is of course a precondition. Of course we can’t list a „kit“ here. If we
could, the VO...
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[quote user="Sean19"]Both versions of
802's have GPA diaphragms both are used on the same horn in a model 19 clone.
Over longer periods of time the older versions are easier on my ears. [/quote]You deal with random result. Pretend that you
have yo...
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Angelo,
I care less about the “commercially available” objectives, honestly it is too boring.
However, whatever you do not be distracted that what you are making will be reminding Avantgardes. The Avantgarde Trio Classic (in vertical configuration)...
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It is kind of unbelievable in away: I have for a week the same stable sound. That is a good sign. The less good sign that I need to do something else in order to take sound where I would like it to be.
Without doing anything I like what I am gettin...
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Hello again, Romy...
I totally agree with you about changing the rear chamber volume. It makes a very positive improvement in extension as well as quality. Also, I had never dreamed of a driver with a variable compliance resulting in a variable...
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Klaus,Yes, I assumed that you had found the spec sheet; I only included the link for the convenience of others following the thread.Klaus wrote : "...whats wrong with 9,9"? its rougly 55% of sd? you think, 43" is too short for a 62hz h...
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[quote user="twogoodears"] I re-read an half-page chapter in French from Jean Hiraga's "Les Hautparleur" essay, concerning time-alignement and phase... in this quite misconsidered and often unconcerned parameter, I more and more carefully weighted Hi...
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It was reported, and I do not know how accurate it is, that Silbatone did not use WE driver but used a Japanese replica by GIP.
http://www.gip-laboratory.com/
http://www.amtrans.co.jp/audio/gip/lineup.shtml
...
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Hello everyone:I exchanged a couple of emails with Romy, and since the topic may be of interest to everyone, I am posting the emails here. Just in case anyone wonders, of course I checked with Romy to see if he was alright with his reply to my em...
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[quote user="ulf"]Let me tell you a bit about how an why we designed the midbass horns the way we did.A few years ago we discovered the tractrix horn for MF use. It was really the most important improvement so far. No more honking exponential horn so...
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I have writhen about it on a past and I would not go over it again:
http://www.GoodSoundClub.com/TreeItem.aspx?PostID=976
However, in the thread that enumerates the most appalling audio types I could not do not mention the DIY type.
To make the l...
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[quote user="Romy the Cat"]You have no idea how loaded this question. The crossover point with the MiniMe is not a tactical question but actually the very strategic question of the entire speaker, let me to explain why. The woofers that I use are fai...
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This is kind of shit that I hate. I went to AA and read a person said:
“Don't miss the CAR room... That would be Classic Audio Reproduction. But that's only if they are showing the same basic design as last year, which uses modified JBL drive...
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