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In Reply to: Read the 21-cap test at the linked site. posted by jeffreybehr on November 8, 2006 at 18:06:17:
For what it's worth, several audiophiles in Phoenix have recently been trying out various caps in their tube gear and SET amps, and the opinions were not totally consistent with the findings in the shootout. Especially with Don Allen's products, which were consistently happier with "paper in oil" type capacitors (Jensen and Russian mil stock) than with the highest-rated super-expensive Teflon type caps. (Several owners have also gotten frustrated with the "long burn in times" for some of these products.)If you have an amp that is very resolute to begin with, you may want to try the more-reasonable paper-in-oil types first.
Follow Ups:
In my pre 0.47uf teflon V-Cap took 700(!!!) hours for initial break-in(and these 700 hours pre was completely unlistenable) and after that they changed considerably in another 500 hours. But after the hell you go straight to Nirvana. It's very hard to imagine something can sound even better. And it transforms your gear to altogether another thing.
I know someone who claims he went over 500 hours with a pricy Teflon cap, and ultimately lost faith that it would ever sound right.... He admitted having delusions that it was about to be something special, but then when others would listen, reality crept in.....I've personally made such claims in the past, but in retrospect, it turned out to be wishful thinking. Live and learn.
I have never heard a product, be it an audio component, loudspeaker, or electronics device, that to me sounded awful at the outset and then sounded great later. (The only products I've heard improve to any appreciable degree with break-in is loudspeakers. But still never really liked a speaker that I thought was mediocre at first listen.)
Although I have had a few experiences in the opposite direction, where I thought it was great at first but couldn't live with it later. Most notably with non-oversampling DACs and a few speakers. (You'll find some of my initial raves here on the Asylum.)
I also never paid much attention to how many hours an audio component has logged. Save for phono cartridges.
"I have never heard a product, be it an audio component, loudspeaker, or electronics device, that to me sounded awful at the outset and then sounded great later. (The only products I've heard improve to any appreciable degree with break-in is loudspeakers. But still never really liked a speaker that I thought was mediocre at first listen.)"...
Methinks you're a true GEA who can hear subtleties about 99% of us can't. (Notice I did NOT write that those subtleties don't exist.)Enjoy your music, mm. :-)
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Tin-eared audiofool and obsessed landscape fotografer.
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I recently replaced my expensive teflon v-caps in my 300B Morrow amps with Russian mil stock "paper in oil" and the amp is way more nusical. T The V-caps had been fully broken in when the change was made. (400+ hours)When the change was recommended I was leary since Morrow designed the amps using the v-caps. I was truly suprised at the improvement in sound even though the caps haxe not had a chance to break in.
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