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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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[quote user="nl"] Gordon Rankin of Wavelength Audio did a series of one-stage DHTs with a step-up transformer input about ten years ago. I think they were called the Mercury series. By all accounts, they sounded good, but of course had limited gain, ...
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Hi Romy That's an interesting point! Very interesting. Why mids and highs should have a super light membrane and strong magnet to follow the rule of precise movement, speed, resolution, etc....While in lows its better to run muddy with heavy soft mas...
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Jessie,I just managed to snag a used Wavelength Brick version 1 for a very good price. The Brick and Cosecant v2 use the same DAC section, unless you purchase a newer Cosecant v3 that is offered with an upgrade to a multi-bit 24/96 DAC chip. I listen...
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The idea of high quality delay makes me wonder if the delay effectively increases the virtual length of the room - allowing longer wavelengths before the room Schroeder frequency is reached. This would be a "softer" bass without the room compression....
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these are my findings about computer audio after some trial error:1. computer audio is very very hardware/OS/software dependent. computer structure is multi task (time sharing) and using it as a real time single task processor is not easy.even small ...
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[quote user="steverino"]I'm sorry that I am not on the wavelength that you wanted to use with this thread. With respect to your examples, yes it is good to try to play music in accordance with the attributes the composer expected, including the frequ...
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[quote user="haralanov"] Your response is a very good illustration of how you redirect attention away from the actual discussing subject and point it to a completely different direction that has absolutely no relation to that subject. You asked me wh...
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Nope, it was not a joke. For sure it is not the “whole point in a compression driver” but it is very much derivative from the compression driver design and anything that a compression driver has on back is irrelevant and impact only resonance frequen...
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[quote user="tuga"]...of manufacturers claims. They have to make a living out of selling their gear. From what I gather, the "select top 5%" are just that: no physical diferences, just tighter quality control. [/quote]That's what I suspected.[quote u...
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After looking at the pictures at http://www.webbtjanst.se/lenco/loudspeakers.aspI'm feeling like it is both your room and the unfinished horn throat. Maybe more room related. If there is a rough section of your horn throat with "steps" of 3/4" m...
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Manisandher wrote :
"...I am convinced that the soundcard/interface is the main cause of the inferior performance of HDD vs. CD..."
Telstar wrote :
"... It is..."
Romy wrote :
"...I disagree....
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One thing to bear in mind with the bass horn delay - I thank Tom Danley for explaining all this a while ago - if I understand it right, a small direct radiator (ie small in relation to the wavelength - which will obviously be the case with ...
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Scooter wrote :"...I think it is highly unlikely that a dedicated audiophile CD player will be beat by a home-brewed or commercially available music server...Upon further listening and research, it is clear that the $10 composite fiber optic cable I ...
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As good as my ULF turned out to be but purely conceptually it is not an ultimate proper playback solution. I have midbass horns runs down to 42Hz and ULF kicks in at 25Hz with 3rg order. In reality does to the geometry of my room and the fact the dis...
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[quote user="jessie.dazzle"]Assuming situation 2 is possible, receiving mid-bass primarily as reflected sound, one would have to take into account the reflected path of that sound, and how it describes the mid-bass part of the image, relative to the ...
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Well, I just placed an order on the 505TT and S150 horn last week... I came across this site after placing my order and now I'm worried about the mismatch of driver/horn. It seems like I'll have to either change the horn or the back chamber. Romy, is...
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Hi Paul,I'm really not sure how else to explain it, but essentially it is "free air". The driver does not become influenced by a defined amount of "trapped air" in an enclosure, thus, it pretty much maintains it's free air specs. In my case, the driv...
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Is it possible that there are better and worse sounding versions of iTunes?Since 2004 I've been using iTunes together with a Mac computer and the very addictive Wavelength Cosecant DAC as the main source "component" in a system consisting of horns dr...
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Romy said:"I am talking about that “slippery sound” when sonic granularity goes all that way down (positive thing) but along with loosing granularity the transport for the ‘events delivering” is also diminishes (negative thing)."Romy, I have for some...
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Paul, this in a way reminds the everlasting question “Where love has gone”. You said very nice: “when the electricity is good the Sound is the purest expression of the Music”. Then, when electricity turns bad what happens to Music? Well, nothin...
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Yes, KS, you heard correctly. Since you use digital XO you shall know that one of the main principles of digital processing is quantization. Quantization is dividing of a signal flow upon minute discrete symbols. Each quanta symbol of quantization i...
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[quote user="noviygera"] I think clearing this up this may be of benefit to other users who are building multi-way horns.Let's say I've got two horns mounted on a frame. There's a high horn above and a mid horn below and they are physically time alig...
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Chris, yes and no. The phase shift 90 degree of there perhaps but it is not really relevant. If we have a very low frequency horn, crossed low with high order crossover and the entire horn is delayed at 30ms then we do not have the same negative impa...
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[quote user="oxric"] I like the idea of angling the enclosure, although I am not sure about the idea of the lowest drivers firing at the floor...I would use a series of modules each containing two tightly fit drivers which would fire parallel to the ...
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[quote user="rowuk"]I have heard some nice speakers in Germany using the Mundorf Air Motion Transformers. No saliva, ample "substance" in their tone and a very nice integration.http://www.mundorf.com/AMTnews/MUNDORF_PRO_AMT_FLYER_2012.pdfhttp://www.e...
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Hi BE,we may not be in disagreement at all. Sandpaper finish is not necessarily absorptive. I was more referring to popular HOM-treating methods like foam or using softer materials to build or coat the horn.I still have my doubts about how a rough su...
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Coops, I less care about the attacks on me, I know that I am a pH-indicator of Moronity among audio freaks. So, if some specific idiots out there are not happy about me then… it is good for me. The higher we climb in mountains the stronger wind and l...
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Romy wrote (in blue) :
"... Are you saying that you are able to play from your PC music that you got by ripping CD and you have better sound from PC? ..."
Yes, and because of this it would be accurate to say that my system is music-...
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Two basic premises:A) The concept we all operate on is: a chain of components connected between one another that pick up info from a medium, transform the info into ac and amplify that info; then, we attach speakers to the last of thes...
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I understand your position on compression and not wanting to screw up the tone. The Community M4 driver is the perfect example of how NOT to build a 4” exit compression driver. First, the cone/dome material is garbage. Neither the sandwiched aluminum...
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