I have very great doubts that the RF Transmission line theory that Sean promotes has any relevance to audio. He couldn't convince me with all his words. But then he did something simple...loaned me a couple of speaker cables which I compared with zip cord. That won him the debate. The difference was not nearly as dramatic as some advocates of fancy wire claim, but there was something there. I still doubt his theories, but I went out and bought some speaker cables.
cable dielectric cause of artificial sound
Hi folks, I would like to know what your opinion is about the following issue. About 90% of high-end cable manufacturers use PTFE as dielectric. Many of their cables sound much alike and they have a few of these characteristics in common: clean, relaxed and laid back sound but at the same time very dynamic (though a bit artificially), very quiet ("black background"), very good (also artificially) left/right separation. But I think albeit these traits, they tend to sound "technicolored", "sterile" and unengaging (lacking PRaT also). Some cable manufacturers are using bleached cotton as dielectric. These cables sound different: they have more natural dynamics, a mellower sound, more intimate soundstage, more tonal colors and so on. Are these differences mainly due to the dielectric material used? Why is for so many manufacturers PTFE still the ultimate dielectric for the use in audio cables?
Chris
Chris
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- 62 posts total
Dpac, Since you seem to be into math and proofs I suggust you read this. http://www.st-andrews.ac.uk/~jcgl/Scots_Guide/audio/skineffect/page1.html I was going to stay out of this thread after my initial post but it appears that like Sean said one must think outside the box. Remember there are 3 basic theories electron flow, hole flow and transfer of potential. Which of these theories applies depends on when and where you went to school. You need to read my previous post and the link. And as for credentials mine are not as impressive as some others on this site. 7.5 years as a Navy electronic technican. Schooling is the equivelant of an AS EE degree. 7.5 years as a digital switch design engineer. Dpac electronics is PFM period. As an example there was a 100 Mhz reference oscilator in a spectram analizer providing 200 Mhz out of the calibration output. With 4 amplifer stages off of the oscilator. The analizer worked fine in all respects. The problem was a cracked base biasing resistor for the 4 amplifer stages which was in the crystal oscilator circuit. If you can tell me why I might give you knowledge some creedence. Because I already know why and it is not PFM. |
- 62 posts total