Two points to emphasize...
1. Only the CD player and phono stage need to be powered up, BUT the phono stage needs to see a load. So, select the source that your burn-in loop is plugged into.
2. Play it safe and set the input loading on your Einstein to 47K or some other reasonably high load. If it's set to something more appropriate to an MC cartridge (e.g. 100 ohms), you might challenge your CD player's ouput circuitry.
Cheers,
Thom @ Galibier
1. Only the CD player and phono stage need to be powered up, BUT the phono stage needs to see a load. So, select the source that your burn-in loop is plugged into.
2. Play it safe and set the input loading on your Einstein to 47K or some other reasonably high load. If it's set to something more appropriate to an MC cartridge (e.g. 100 ohms), you might challenge your CD player's ouput circuitry.
Cheers,
Thom @ Galibier