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In Reply to: RE: Breakin in a CD player posted by JDC on May 17, 2008 at 10:09:15
Without a load (preamp) connected, the CD player's output stage will be developing a voltage, but not delivering a current. While it is possible that this would affect the break-in process, in my experience this is very minimal.
On the other hand, if you have it connected to the preamp, then you will be breaking in the cables at the same time. This is very important if the cables are new. If the cables are used, it is still helpful as simply moving them around physically will de-break them in and take a day or two of play to fully recover.
Also, each input on the preamp needs to break in separately. There is a short length of wire or PCB trace that is unique to each input before it reaches the selector switch. If you are adding a component to your system and that input on the preamp has never been used before, then you should definitely connect it to your preamp for the break-in. That input should be selected, although in most cases the preamp does not need to be turned on. (Some preamps have relays and won't select an input unless it is turned on.) But for sure you can leave the power amp off during the CD player break-in process.
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