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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Romy, I am aware of your well-reasoned prejudice against audiophile/boutique parts, and I agree that they are by-and-large the first recourse and last refuge of Morons.I thought I'd chronicled this phono stage stuff so far, but obviously not in ...
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After years of using the Expressive Technologies SU-1 and SU-2 step up transformers I come across to a fact this morning that the Expressive was reviewed by Robert Harley in June, 1992. I read the Expressive’s preamp review but I never seen this one....
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Another K&K user contacted me recently, and he subsequently sent me new MOSFETS to swap with those I had in my unit. Original MOSFETs were Supertex DN2540. New MOSFETs are IXSYS 1N100D.The only reason I swapped these was out of curiosity. The ...
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[quote user="Romy the Cat"] .. what I am saying that playback certainly deliver sound but also it delivers let's call it at lubrication for sound which make consumption of Sonic messages to be more palatable for our conscious. This aspect, is this MS...
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Dear Romy,
Thank you for the commentary and the advice with regards to the need to have a COGNITIVE ORDER OF SUCCESSION and to test with another speaker in situ first.
Given the varying degrees of how different individuals process COGNITI...
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[quote user="Romy the Cat"]I still feel that a complementary upper bass channel is begging to be used in this system. [/quote]Yes, Romy, the upperbass channel is absolute mandatory. My comments were only about the particular driver, nothing more than...
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As the builder behind these horns, I can answer some of your questions. It's true, I was primarily focused on the woodworking/building side, and now I'm experimenting with amplification and crossovers. I can't speak authoritatively on those subjects...
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As another of the contributors / perpetrators i have to chip in too.It's my Raal's, S2's and stands that can be seen.Great project and fun to do and as Adan says it opened some eyes. Others seemed to have little or no time for it, as it is incomprehe...
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Hi Roman, hi all... intriguing post and interesting questions, as I've been for about 20 years a triode and, before, a tube user and a glowing-in-the-dark maniac.My experience...I purchased - years ago - an Hiraga 20W which I used as a bass enclosure...
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First of all, season's greetings to all. I have been thinking about this issue for a few months now and was reluctant to post a question in case it was premature! There must always be some niggling doubt whether any real estate adventure will materia...
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It seems ironic that the path to bringing the single-channel DSET/narrow band horn idea to market would invlove traditional marketing per se as much as the melding of evolved listening with cutting edge technology. While there is rote work...
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[quote user="zako"]THE ONLY COMPANY THAT HAS ADVANCED THE DESIGN OF A MODERN DRIVER IS JBL,,, GOING FROM THE WESTERN ELECTRIC DESIGN TO THE 375,,376...PRO VERSION 2440,,2441... TO the 2450 types..USEING COHERIENT PHASE PLUG DESIGN TOPOLIGY that unit...
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John, I see where you go with it. I afraid that I will not be making my drivers – I have no idea how to make them in order them to sound the way I need. I have no problem to design and to make 4" exit compression driver or to undertake a project to r...
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[quote user="Romy the Cat"]Ok, can you in subjective trims describe what do you feel is wrong with your sound. disregard the speakers and channels, tell juts your pure reaction to what it is. The cat[/quote]Romy, I now see you were asking a totally d...
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I'm working on a project that may be of interest to others, and thought posting to this old thread was a better way than beginning a new post.I use speaker level passive crossovers, between multi-amps (not DSET) and drivers. My desire is to move the...
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[quote user="op.9"]I now run my 'tweeter' amp 1st order high pass at 2200hz (driving BMS 4540nd in 1500hz leCleach horn) so my impressions might have some bearing on Romy's new amps. I was playing around with operating points and components in my sin...
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[quote user="Romy the Cat"] [/quote]I really do not know what is going on and how to explain the phenomena; I just dump it to you “as is”. Because of multiple reasons I decided to drain the Milq’s power supply when the amp shits down. I have a...
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Allo,Well, the divider may certainly be responsible for some softening of transients - in particualr, what values are you using there?Also, the received wisdom is that silver micas are created far from equal; no experience with them myself but I beli...
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Yes, referring to my initial post on the thread: something in the Super Melquiades is very freaky. I did not use it for a week and this morning I tuned it on. The amp generally does not sound good for a first 10 minutes and reaches it’s stable ...
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I had a Walker Proscenium turntable with various cartridges. About twenty years ago I converted all my vinyl to 24/96 files and have never looked back. As far as dsp processing, the Trinnov altitude does a superb job of either recreating the hall sou...
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[quote user="miab"]I'm about to place an order for some 12AX7 tubes. The GA 12ax7 tube you mention doesn't seem to come up in my search. Is there other info regarding this tube?[/quote]I am not sure but it is possible that General Electric never ...
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[quote user="Romy the Cat"]Rakesh, Equi=Tech is a know player in the fields of audio electricity. Back in 2001-2002 I had 3 of the Equi=Tech transformers. I was not pleased with results. I do not like the balanced operation for power lines – in my vi...
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[quote user="miab"]I'm curious as to why the preference to paper cones as opposed to carbon/poly/kevlar/ceramic/.... With weight and stiffness advantages of other materials, would advancing technology not be well implemented towards drivers? [/quote]...
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We enter a complicated region as the lower driver we go the drivers could be used for different purposes and it is very hard to generalize. A 10-incher might be MF driver and LF driver. In my past I experimented with few MF 10-inchers, including some...
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Well, it looks I’m near finding a more or less acceptable setting for the T350 tweeter. Ironically and completely accidentally it is not far form I use to be. It is still on the slope at 20Hz (since the T350 is pretty dead at 16kHz) but now it is &nb...
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Chris, I have no experience with good sounding SS amplifier that might drive high sensitive horns. I also have no expertise to build such an amp. From what I trued before I have learned that in order to sound more or less acceptable the SS should run...
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Good luck getting midrange from F120A for non annoying monitors. Seems reasonable to expect, many people have been very happy with these drivers... I haven't tried this specific driver, but have spent some time trying to get a simila...
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So when you "read about endless delays in production and delivery", the first thing you do is order an expensive piece of equipment no questions asked or precautions taken??
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I have run each of these for long periods and can validly comment.My power amp circuitry is a 6N1 based Mu Follower driving a 2A3 in turn driving a 3K Tamura amorphous core OPT.The 6N1 tube is a special military type that is not freely available.Ther...
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The speakers i've got are JBL studio monitors using a 2420 (118dbwm 16O) on top and a 2231 (93dbwm, 8O) on the bottom, which already accomodate bi amping, though like i mentioned a midrange driver would probably be a good idea and so a six way amp wo...
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