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129.230.244.1
In Reply to: RE: Marantz SA-7S1 - new purchase posted by Keilic on May 14, 2008 at 23:23:21
The differences between the two players might be more noticable in a more transparent system, but sometimes the differences aren't that obvious. That is why A/B testing can be confusing.
Some would argue that it there is not immediate differences decernable by A/B testing, that there are no worthwhile differences.
About a year ago, I changed out the stock power tubes in my amps. I thought I heard a slight difference in the sound upon changing them, but it was subtle. I came to the conclusion that the power tubes didn't make that much difference. The tubes may have needed some breaking in. Recently, I had problems with a few of my power tubes, so I ordered spares and rather than mix and match brands, put the stock tubes back in there. I found the sound nearly unlistenable. I ended up having to retube the amps.
Something that might not be obvious in a quick A/B test can gain significance over time. I find that the best way to judge a new component is over time. Subtle differences can make a big difference in the longer run. To the average guy on the street, they might never notice the difference.
Follow Ups:
Thanks for sharing this. I think it is profound and there is an element of truth based on my own limited experience. In the past few nights of straining my ears in intense A/B tests, my observation is that there is a real and significant difference between 840C and SA-7S1. This difference is not subtle. When you close your eyes, you could almost "see" the different pictures that the 2 cd players paint. However, as large as this difference is I could not pick the cd player quickly all the time. I found A/B testing difficult on tracks where the notes swung wildly from end to end. This variation in music itself threw me more than a few times, and often on those tracks I had to listen much longer before identifying source. Also A/B testing requires a good amount of time and effort. I spent hours. Having said that, I do believe (to be seen) that the difference would be easier to detect as it breaks in more and as I upgrade other components. Just my observation/report-back from this episode.
100% agreement with srdavis2000.
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