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I've ordered a couple of Russian PIO K40y to replace the arcotronics input coupling caps in my Trends TA10.1.
I usually rely on just casual listening to burn in caps but I wonder about one thing: if my Trends is turned off, will it still be seen as a load to the separate preamplifier, and will the signal still go trough the input caps?
Would be nice to know I can just turn all the power amplifiers (including the Trends, thus) off and silently burn in the new caps.
Edits: 02/09/17Follow Ups:
You say this is an input coupling capacitor. Is there a resistor on the other side of the cap that goes from the capacitor output to ground? If so, there is no need to leave the amp on for the cap break in. Simply connect the source to the amp and let it play 24/7.
Well, after the caps there is a 50k volume pot, if I can read the board correctly :)
The volume pot is fine. That means your input cap has a load on its output so it will break in just fine with an input source (like a CD player on repeat) whether the amp is powered up or not.
That's good to know! Thanks!
With 104dB sensitive speaker, passing any reasonable amount of signal trough those caps (they are at the power amp input, there s a preamp in the system) means EXTREMELY LOUD sound.
Now I know I can turn the preamp up and be at peace with the neighbors ^^
There is a lot of info on this on the web and here on AA. Do a search and it will come up.
Depending where they are used, they can take a long time to break in. I have hit 100 hrs. On the VTA-120 amp I built that uses 4 of these and they still haven't fully broke in yet. I have seen as high as 300 hrs. To fully break in.
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