Krell FPB400cx coupling capacitors question

Most modern tubed preamps catch the DC at the output and will not give you any problems with your amp. I have used 3-4 tubed preamps and not had any problems with my amps. It should be easy to find out the amount of DC at the output of the pre and check with Krell.

I have a FPB700cx and used several tube preamps with it. If you're nervous, check the DC output of your preamp with a good (Fluke) multimeter.

How much DC volts should I expect to see? Could you let me know the reading value of MIN and MAX? Thanks

There is no minimum-the lower the better. My Bat preamp measured 0.002 Vdc and I haven't had any problems. I would guess anything below 0.01 or so would be fine but I'm not an expert. I talked to Krell about this and they were totally non committal.

Have anyone have any experience upgrading the Krell input coupling caps ? Can you share your experience ?