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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Anthony, I asked because I could not gauge distance from the tube pins to what I took to be large inductors shown straight underneath them. Distance will do it, but I think the critical distance will vary, depending on the strength and "pattern" of ...
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Romy,You probably already know this site but just in case you don't:http://www.lessemf.com/gauss.html...
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Hm, SGSG-37FRP, Driver frequency band: 400Hz - 10kHz, 18,500 gauss SG-370, Driver frequency band: 400Hz - 18kHz, 23,000 gauss SG-370DX, Driver frequency band: 400Hz - 20kHz, 24,000 gauss Inversing, they build up magnetic density and extend HF. I...
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Ok; there's a mis-print somewhere, or a manufacturing change... The web site linked listed SG-370 as 23,000 gauss, and SG-370DX as 24,000 gauss. The goto brochure lists SG-370 as 24,000 gauss. And was discussed yesterday w/ someone, one doesn't re...
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Thanks Romy, your comment above cleared some of the questions I had regarding 50/60hz midbass horns.I found some info on the driver after digging through Japanese sites. I don't know if these info will help interpret wither the woofer will be go...
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SGSG-37FRP (designed for mid-high ranges in a smaller system). 56,000 yen Driver frequency band: 400Hz - 10kHz, " optimal crossover is 500Hz or more" 110dB, 18,500 gauss
SG-370
(designed for...
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N-Set, why would you disconnect from the house neutral, unless you are using battery power??? This "neutral" is the "ground" leg of your circuit! The house neutral wire is typically white, and the house ground wire is typically green. The "extra", g...
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Haralanov, I've spun this thread off the "Speakers for a Powerful SET" thread, as you suggested. I took a couple of pictures, but I can't figure out how to upload them, just yet. I'm also not sure what you could see from the outside, anyway.As for th...
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I was wondering what is coming out from PP2000 that makes one unit affect another. It might be radio and magnetic stray fields. Last night I took my gauss meter and was sniffing all around my PurePower regenerators. I was not able to see any signific...
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Romy,I have seen this a few times with JBL and Altec drivers. This phenomena occurs more often in Alnico magnets than any other type of magnet. When a magnet is recharged, it is blasted with a very strong magnetic field. There is really no way to “ha...
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Keith,You would never know from the data how those upperbass driver will behave in horns. The 55Hz of air resonance (if it is true number that always not the case) is a good number for 60-70Hz horn. I really would like to know the max amount of mm th...
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[quote user="decoud"] If a magnetic field is static, who cares how it is created? Isn't the main potential advantage of electromagnets one that no one has explored at all - the possibility of modulating the field strength in direct response to the au...
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Thanks, Gorge, I know this one. It is $250, measured only up to 2T and has a probe that is too large to be useful.
The company that I really like is http://www.gaussmeter.co.uk/index.shtml. Their gaussmeters have range up to 3T and thei...
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[quote user="Paul S"]N-Set, why would you disconnect from the house neutral, unless you are using battery power??? This "neutral" is the "ground" leg of your circuit! The house neutral wire is typically white, and the house ground wire is typically g...
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What I find irksome is exactly this: [quote]Hi-Fi
companies and Hi-Fi marketing are lost touch with the nature of sound
reproduction and so deep in disassociation with the means of Real Audio
that they are forced to pull out of ...
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A six year ago or so when I played with different compression drivers I bought a pair of Dukane 5A540 and at that time I was not able to find any information about them. Nowadays I was pointed out that an eBay sealer “ bayleafs” actions a pair of Duk...
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[quote user="Romy the Cat"]I thought that the folks who are interesting where I am going with my Macondo should know that am still working with Vitavox S2[/quote]OK, I think now I’ve learned whatever I need to learn about this driver. In order to und...
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[quote user="Kcct82"]Thanks Romy, your comment above cleared some of the questions I had regarding 50/60hz midbass horns.
I found some info on the driver after digging through Japanese sites. I don't know if these info will help interpret with...
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Well, whatever you do with your loudspeakers of with you whole playback system is kind of irrelevant if your drivers are not right. In my view the drivers are the very much heart of playback but in case of High-Efficiency and particularly horn-loaded...
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Continuing to harass the readers of my site and myself with the good news about the performance of my SA8535 driver I would like to post a very educational article about the subject. As I told before, being familiar with sound of ribbons then never i...
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Another particle of a good Horn Propaganda. It was published in Sound Practices in 1994 and written by Joe Roberts. I disagree with quite many of the author’s statements but his strategic view that the majority of the horns and the horn installations...
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I was slowly looking for a compression driver that would go in my Fundamental Chanel down to 200Hz. The YL Acoustic 550N attracted my attention. Then I realized that it is the narrow throat type of the drivers, aka WE555, not exactly that I would...
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The Other End of the Single End: Modern Horns Done With Flare An Interview With Dr. Bruce Edgarby Dave Glackin, printed in POSITIVE FEEDBACK. 1996
Dave Glackin interviewed Dr. Bruce Edgar in his home, prior to the 1996 WCES. A follow-up on the speak...
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