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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I have been wanting to set up my components for recording of broadcasts for a while now so this would be good incentive to shift my backside into gear.My Sansui TU-X1 has been restored and improvements made. I am very happy with the results at ...
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The history of stereophonic sound
1881 - Clement Adler at the Paris Electrical Exhibition put "a series of 80 telephone transmitters across the stage at the Paris Opera and connected them by wires to telephone receivers in a suite of four rooms" in ...
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Attentuators plugged directly into the RCA jacks sounds like good solution for balance control, though I will check Placette first for cost of adding second remote controlled sensor, thanks romy....
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[quote user="Paul S"]But why would you consider brass connectors because of 95% of boutique RCA if the idea is to wind up with the best signal path?[/quote]Of course not because of that! The ideal would be the connector I've shown but made with pure ...
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Yeah, the power cord was nothing special. The Shunyata cord PLUS the Hyrdra conditioner represent the single best upgrades to my system aside from John's mods. I was skeptical about power cords and conditioners, but I'm a bit of a fanatic a...
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[quote user="eduardo"]
YL 75000 has heavy phase plug indeed , rca style (see sketch) while 1250 ( I never had one) gets a fixed metal dome equivalent to spherical piece on 75000 and rca plugs without conical shape pointing the exit of throat. Ir...
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I have found the problem and was able to resolve the noise quandary.
The Lavry ADC has balance analog input and the Sansui has single-ended output. I use my PAD’s Dominus cable with an RCA to XLR adapter. The adaptor was made by BAT and I used it f...
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Interesting, thanks Guy for posting.
Let analyze what was done in there. It looks like well-thought, time-aligned, looks like multi-amped configuration. BTW, how the filters were implemented and what (slope/order) filters were?
To my knowle...
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Yes, I very frequently observe this effect. I hear sometimes on air something that make me to call to the station and ask with version it was played and then to my sadness I realized that they play the LP or CD that I have and that does not produce t...
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[quote user="Paul S"]Well, you can count me among those who are perennially frustrated by all the unnessary stupidy that goes into most recordings, that's for sure, although I have several hundred records that I would like to keep for the p...
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This material is courtesy to Mr. Shibazaki, the owner of Sibatech Shop in Tokyo, that sell internationally Japanise Hi-Fi equipment.
http://www.sibatech.co.jp/
I hope that Sibatech people are more decent then our american distrib...
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Below is the very same fragment from the very same LP (also not original but re-issue). The file is 88/24, FLAC compression.
http://www.mediafire.com/?bpgxdbru87fkx8x
The sequence of signal is following:
Ortofone Jubelee in SME 3012R ...
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The only problems I've discovered with the old RCA blackplate 45s are limited frequency range and power, and lots of used tubes sold as NOS. In fact, to be fair, I would have to narrow known problems down to power alone, since I can only guess what ...
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Jessie, I just wanted to say that I make my own shorting jacks from the worst possible plastic Radio Shack RCA plugs and small, cheap (1/2 Watt) 100 Ohm resistors, which I solder across the +/- RCA plug connection points and then ...
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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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Anyone know of a satisfying recorded version of this concerto? I offer as one to avoid at all costs Van Cliburn with a "Symphony Orchestra" under the direction of Kiril Kondrashin, RCA LM-2252. Which "Symphony Orchestra"? RCA does not care to say,...
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Most will recognize the Roman gladiator's salute. Caveat...Based on what I've seen at AA, this is as likely a place as any (and more likely than most) to go down in flames.My own motive for starting this up is recent experiments with super-pure...
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While there is much complaint about contemporary reissues of classical music on vinyl, what is the alternative if you don't currently own original pressings? While visiting a friend here in Boston he went through 3 different DG pressings of Listz P...
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Romy,I try to remove the step-up transformers & short the
input grid, the hum has gone.Than, I did next changes:1. Twisted wire from input RCA to step-up transformers. Connect transformers input & output ground directly (not thought ground ...
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Paul, I can’t say anything about it and I invest zero trust to what the seller say. The fact that he insists that “customers have never returned any or complained of their quality” does makes me horny however. The socket at your picture does have nam...
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[quote user="Paul S"]Romy, I have for some time called this phenomenon the "necessary roughness", and one of the things I liked (loved, actually) about Cogent's main field coil was that it did this very well indeed over about 2 octaves; in fact, it w...
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[quote user="audiofilofine"]for me is not new driver , is only a mechanic puzzle without research .is beautiful work if make for personal game but is fake if make for business.[/quote] Audiofilofine, possible, if you have any more information or fa...
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Mani, congratulations with Pacific.
You will not have problems to drive with balanced Pacific your single-ended amp. Juts buy a good quality XLR to RCA adapter or order XLR to RCA cable and you will be set. You do not even need to care about t...
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If a car engine does not stat then among zillion reasons why it does not start there are only two main reasons - there is nothing to burn or there is nothing to light up. The very same I think is about my Second Tonearm. Since all cartridges on this ...
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[quote user="Jorge"] This is something I have been at for the last few years, I have tried a few drivers, at the moment some of my favorite are the vintage RCA MI 1443, yes filed coil and some funny cone diaphragm, they are used from 500 hz to 5 kh...
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[quote user="Romy the Cat"]Are any of those new tubes besides the Chinese tubes are single plated?[/quote]I believe they are all single plated.
[quote user="Romy the Cat"]I have bought some very nice 2A3 and 6A3 double plated from 1942 and 1944 an...
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I did not read it, I rarely read those types of articles but what you describe is very common and very indicative for those people. They fly like butterflies from a manufacture to a manufacture, from dealer to dealer and from marketing campaign to ma...
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Well, when we are talking about Cogent we need clearly differentiate two things: the Cogent’s drivers and the Cogent’s installation. The problem is that since Cogent’s drivers are something so called “compression drivers” then their performance might...
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My preamp also uses those 0A2 and I have a bunch of "made in USA" ones that look right the same than those "National", using the same orange color for the brand letters, but they're supposed to be RCA. They all failed in a quite short time in deliver...
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Hi Romy,
When we spoke at CES, you mentioned that your experience with field coil drivers only extended to cone types. So I assume that you have never heard any field coil compression drivers. That would include the WE 555, 594, RCA 1428, Lansing, e...
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