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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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"... and I do not know if 3A/167M is better than anything else and I do not see why the metal socket is necessarily better then plastic – the socket is not the part of the tube."As you know, the 437A is like an on-steroids ECC83, ALL glass built, no ...
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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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Romy,I could not agree more! The only reason that I mention it is because we do see enough speakers with exactly these acoustic instrument problems: energy that leaks through the horn material, ringing from undamped material, wrong cutoffs (a trumpet...
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Greg,
BTW, if you go for direct radiation and would like to go for Dunlavy-like symmetric configuration (perfect for along wall) then here is for you an idea that I do like very much. I took that idea from old version Kharma Audiocritique and made i...
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The Olympians are OK, I told about them in Kitties go to London thread. From your explanation above I understood that you drove your s5 with Robertson, Krells etc… You still did not say how you you’re the S5. If you insist that you never drove S5 wi...
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Well, I do not know what it would mean. Regardless his “constitutional status” Row’s article is much more informative and much more educational for people who have interest in the MAXXes then the brainless saliva dropping that many industry cheerlead...
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[quote user="be"]Very interesting "review" thanks.The 150D is possibly not the most relevant comparison, it does not seem to be a high quality product since its ESR values are not even mentionned in the data sheets.Tha T97 series: ( http://www.vishay...
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Actually you certainly are attacking us - without reason and without accuracy. My math works fine - We delivered 3 units in all to Bill. All met all our specs. One suffered a blown ceramic fuse shortly after installation. Not a QC issue, but proper ...
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I think that I saw someone offering a silicon nitride thrust plate along with the ball bearing years ago. Jam, your solution of simply flipping the thrust plate upside down makes perfect sense, but I suppose a silicon nitride (or similarly hard) plat...
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Romy, thanks for the info on the chokes in the fullrange Milq.Today I have ordered more Milq parts this time for the power sequencing and bleed down. I decided to go for the relay sequenced bleeders for all four power supplies and figured I would be...
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hi mike
congratulations for your site, it is very nice, specially the showreports, the pics are great. i heard in july a avalon speaker in italy, with these ceramic drivers, they sound horrible. no dept and image at all. so i really dont understant ...
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Post #201 and #202 of Midbass horns and real estate. Before you moved to your new house, we had said that your right channel would send up a red flag because of cubby hole were your equipment is presently setting. Then it was mentioned to put up a sl...
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[quote user="Romy the Cat"]I personally tend to use TT with heavy platters and I feel that if a platter is substantially heavy then there is no different how you would drive the platter. Put a platter of 100kG then you will never recognize HOW the pl...
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[quote user="Gregm"] It's better than a Marten Supreme because the mid is cut off @500Hz whereas Marten cuts it off at 1,3kHz "where the ear is at its most sensitive". Note: they must be referring to latest technology ears -- not the tradi...
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I have compaired the Ortofon Jubilee to the MC3000II. The former is more "unctuous", "viscous", "smooth", or "suave", and easier on recordings, per se. The latter, although very tape-like in balance, attack and transparency, is less ...
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Your Typical Acoustical Suspension-type Loudspeaker enclosure witch has less then 90 db at 1 watt does not belong with a horn system that starts at 110db at 1 watt, even when you ad more then 1 driver, it is still way to far off to even consider usin...
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Lamm uses Russian ceramic sockets, at least use to use them 10 yeas back. What he uses not I have no idea. The material of sockets is not as important – the profile of contact is the key. Unfortunately Russian sockets use triangular contact that make...
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I was considering for a while making some re-arrangement with electricity lines in my house: to add and remove some lines from my stand by generator, to power pool from different circuit and some more changes. I was kind of considering running a dedi...
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[quote user="Romy the Cat"]
I do not know any advantages because the fact that the sound softer. I personally believe that the electromagnets have HIGHER MOMENTUM FLUX MODULATION and that make them to “sit” slightly… or exactly what I would like t...
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It doesn't seem prudent to look at the speaker without considering the amplifier at all. We would be designing a speaker that would work with a theoretical amp -- but not one that's available.I propose the following:Characteristics of many commercial...
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Alex,
if I were at the show I would be interested to hear the Coincident new Pure Reference speaker. They are the Coincident’s new move into the miserable world of ceramic drivers. The Pure Reference is the typical Israel Blume’s design but wi...
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Petar, I looked at the "custom" driver you posted the address for. It is interesting to look at, all right, but I am not set up to build drivers from scratch. Since I pretty much have to buy something that is either useable as-is or something that ...
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[quote user="Paul S"] a maxed/modded Museatex iDAT-44+ DAC (adapted for battery power; no AC!)[/quote]
Yes, Paul it is good that you remind me it as I have been thinking about it for a few years and never put my hands on it. I am not a bit fun of ba...
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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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Was talking with various audio people about the 6C33C I was amazed that people are so clueless about this tube. The people are so filled with some foolish prejudges and faulty notions about 6C33C that I deseeded to put together a brief “6C33C user ma...
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Today I was listening music and after about one hour there was a big bang and my hole system was dead.My unit worked well for about 6 months now without any problems, out of the sky it blow up!The home main fuse of 16 Amps was blown-out but the 1...
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[quote user="Romy the Cat"]Sure, there is nothing wrong with a transformer-attenuator if it has a pure restive load but as we know it is never the case. If we need a drop voltage elsewhere then we use resistors, right? We do not we use transformer-at...
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While my background is in engineering, I am not a metallurgist either. But I do know that 316L is considered an non-magnetic material (see https://greenwoodmagnetics.com/resource/what-is-the-difference-between-304-and-316-stainless-steel/). But even ...
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[quote user="Alex Yakovlev"]Romy, would you mind elaborating on specifics of your power supply? My Bidat is going to John in a couple of weeks and I am finalizing my thoughts. Thank you.[/quote]
I do not have any “specifics of my power supply” as I ...
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Yes, Paul, you are right that it has to be pointed that the frequency extension, by itself, does not guarantee anything (but that’s why I posted the thread in Audio For Dummies section :-) ). OK, now let’s see how the tweeters should be used (in cont...
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