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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I don't know why the Berning topic gets everyone so worked up. No need for another ZOTL screaming contest. Is this not a hobby where we explore many solutions? It is a difficult subject technically. I for sure can not speak about th...
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I would like to add to my previous posts that the situation I described above made virtually imposable to correlate experiences of different people have with different drivers. If you for instance use your JBL driver and I use my TOA driver for the s...
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[quote user="Romy the Cat"]The first thing first I think that your fear that your “midrange might have ideal frequency response” is not a motivation to change anything. Are you concern about frequency response or about the well-identified subjective ...
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The target range is 40Hz to 400Hz. One JBL 2206H 12" drive (an alternative configuration is with two [2] 2206H drivers). Exponential. Interesting that you mention a J horn, and that the same could be achieved by two horns (as oppose...
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The most interesting thought to come out of this thread for me is surfing the wave versus making the wave (or, making a part of the wave...).Personally, I just enjoy listening to great music in my home, and I am happy any time this can happen. ...
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Hi Romy,
FYI: The previous photo of some unknown persons "pile o' horns" appears to be:
Upper midrange: 1" TAD TD-2002 mounted to 650Hz Edgarhorn
Supertweeter: Fostex T90A or T925A.
Lower midrange: ...
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OK, Romy, that EnABL stuff got my attention!I can't recall all of the bad ideas borne of good research, but this EnABL thing sounds a little fishy, and certainly it sounds too good to be true, as existing in a simple and really useful form. Can...
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Last time we wrote you thought I should focus less on tweeters and more on midbass.I am not done yet, but I have found a very nice midbass solution. Somewhat unorthodox, maybe.I have come to love police sirens! Without having A/B compared it to a pai...
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[quote user="mats"]Good start Dan!The JBL phenolic 2" driver is 2482.I would lower the crossover point as far as you dare, 300Hz or so.Now the 2226 will do what they are pretty good at.Later you will likely want to filter the 2445 around 2k.A 600Hz h...
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@Mats -- Thank you! This has already been the best sounding system I have built and designed, but hearing how good it sounds, lets me know how good it can be in the future. Thank you for the info on the JBL 2482. I've considered swapping the diaphrag...
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[quote user="Kerry Brown"] When Bruce realized a straight axis horn was a better choice he went with it. Like a good scientist. [/quote]
Ah, did Bruce realize it of he decided to make his customers to Bruce realize it?
[quote user="Kerry Brown"] Th...
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[quote user="Jorge"]I tend to like drivers with plastic suspension. Radian makes retrofit diaphragms for JBL with plastic suspension, maybe they will help you achieve the tone you are looking for.
Extensions are easy to machine out of aluminum, eve...
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[quote user="Romy the Cat"]That is my constant dilemma while
I socializing with audio people. Om a surface the question about T/S parameters for Goto is reasonable.
It means now I need to correlate whoever I know Goto user and the people who
know ...
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Hi Romy. You hit some point. But thats half obsolete. I shouldntve tried to gather the stuff for the VO copy. That visit to Klaus opened my eyes. I already switched my priorities a view times. From tonality, then resolution, to latest color (VO) but ...
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[quote user="rowuk"]Look up Romys CETLA91 or a new multicell for Macondo.There is a guy not far away from me Markus Klug, who builds these. I heard then at his house but there were "non speaker issues" that did not tell me what in the sound could be ...
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Since I last posted there has been some progress to my indoor and my outdoor systems. Indoors I have added a pair of tapped subs. I must say that I am quite happy with these. Of course they are not as good as full size front loaded horns but still a ...
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i definitely see what you're saying there.. but i do wonder if it has more to do with the economics and the powers that be than a full on case of negligence. most sound engineers-- or at least those i've known (and not the bastard species of fa...
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I have to admit I have no idea and did not experiment with matching horn loaded tweeter to big ,direct radiating "extended range' MF channel. I'm not sure it's doable. I was speculating on the reasons why the owner of Moscow instalation switched from...
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Here are a few answers1. a, 84 Hz b, 4.8 inches square c, Hyperbolic exponential, T 0.8 1/2 Pi d, none so far on upper bass horn. S2 and 2405 have series capacitors feeding them. e, Eminence Kappa 12. 4. Both tweeter and S2 ca...
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The more msaudio trying to “criticizes” my projects and expose his “rational” the more I feel a need not to ignore but actually to laugh. When some people without a sense of perspective or reality run in stadium then they might feel that they are ahe...
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Hi Jorge, Thank you for the response. Re: cable, yes I've been too lazy to install binding posts in the back of the cabinet. I have no good reason, necessarily why I am crossing the 250 Hz horn at 1k. I posted my measurement above, but of course this...
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I built a prototype of a Avantgarde Trio in newspaper and tape, with the Beyma CP380/M, Community M200, and the Fane S 8M, and I also used a Behringer CX3400 and a 45 tube amp. CX3400 is soon replaced by digital active XO.Paper may have made the midb...
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There are a few at least theoretical backdraws for the Array in my view.Of course having a lot of different drivers playing at the same frequency implies that all of them should work in perfect unison, if one starts lagging a little bit it will mess...
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A little update on the Milq amp.After sorting some of the problems with the amps transformers (see posts above ) .I now have two mono blocks operational that have about 700 hours ,I'm so glad hour meters were installed .Filament voltage is spot on 6...
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Hi Romy,I see now you are throwing around the term "absolute tone" in a relative manner again :) . Why would you want to neutralize absolute tone and with a metal tweeter no less!! You are talking about a tweeter "absolute tone" offsetting a po...
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A lot of people ask me about those drivers and I’ll try to compile my vision about them. I did try most of the possible tweeters: dome tweeters with cloth cones, varies type of hard metal domes, compression drivers with aluminum, titanium, phenolic a...
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Sorry, Bernard, you are probably correct about the spelling, but it's too late for me to edit the post. I always figure anything good one hears at a show means it is possible to get good sound from the gear in question, while bad sound might say com...
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Zako, you might enjoy the thread about the evils of hysteresis induced by output transformers, where the (so-called)absence of output transformers is supposed to be the "solution". In any case, your posts remind me of this gambit, more than a little...
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I spoke this morning with Yoshi and he made a phenomenal comment. He was complaining something about his bass. He uses a pair of big 15’ JBL in a box with an active second order crossover. So, when I asked him to describe what he feels is wrong Yoshi...
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Nice post Romy, you're probably right, I can't say since I've never listened to a pair of speakers that really told me "what can be done". I've always owned and listened to speakers that are commercially made, and I've had to choose among the ones th...
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