Quote:
As I told you, they need burning in like fish need water
I adore the quality with CuTF.
Hi,
Because we are interested in all about this topic, I found here very interesting remarks:
(I checked on the write up to 300>>400 hours of CuTF burning-in and I found sound characteristics described here).
quote:
"<<Teflon capacitors take a solid 400 hours to reach about 90% of their true potential and their true colors open up at the 600 hour mark (25 days). It has also been established that they will even continue to change, ever so slightly, up to 1200 hours (50 days). You may not notice these changes and I only mention it to give you an indication of the characteristics of Teflon. During the break-in cycle of these capacitors, they will go through different stages.
During the initial
150 hours (6 days) , you will notice these capacitors will do a two steps forward, one step back routine. What you will notice is that one day you system may sound fine while the next day (after it's one step back) it will not sound as good as it did even the day before. This is the stage where the capacitors can actually sound broken. Don't be alarmed, it's simply the nature of Teflon. What you will notice is a 2 dimensional sound. The bass may be uncontrolled, the midrange a bit foggy and a lack of air and extension. Absolutely no coherency.
After 150 hours (6 days), the capacitors start to stabilize. From this point onward, they will be more consistent in their progress. They will still only be at about 50% of their sonic potential but the one step back issue is gone. This stage will last to about the 200-250 hour mark (8-10 days). This is where they start to become more 'listenable' but you are still only half way there. The bass should start getting better here and the highs a bit more extended but the midrange is not quite there yet.
Now that you have gone through the ugly stages and have reached
the 300 hour mark (12 days), things are starting to come into focus. Teflon capacitors start coming into their own between 300 and 400 hours (12-16 days). You may still noticed a few quirks but they should be minimal at this point. You have more control down below, the midrange is becoming more real and the upper end is starting to extend further. This is when I usually receive the phone calls telling me I was absolutely correct about what to expect.
One you reach
the 400 hour mark (16 days), you are starting to reach sonic nirvana and it will not be long before you are experiencing the truest potential of Teflon capacitors. It's been a long road but you will probably find the journey well worth it. This is the point where the midrange magic is apparent. You should notice a sense of texture and realism that is uncanny. The bass is quick and firm and the highs extended with a great sense of air. You will now start realizing a wide, spacious presentation as well. At this point, I don't receive any phone calls at all as you will be too involved in your music to want to waste time talking to me.
After 400 hours........... Heaven.>>"
