audio reseach ref 3 or krell KTC...?

Dave,

Have you ever had a problem? I just read an ad recently where somebody sent their FPB in for servicing resulting from damage from a tubed preamp leaking DC.

Since I have not yet converted my Krell to include the caps active, can you give me any indication of the sonic impact?

ckoffend, I have used an LS25, RefII and RefIII with Krell 600, 400 and evo 402 amps..no problems. Caps will kill tone color, soundstage and transparency.

Dave b, thanks. I checked with Aesthetix and they have reported that they do use coupling capacitors at the output for this form of protection against dc leakage. So, fortunately, no worries.

On another note, if one buys a FBP C vs. a non C version, is there any improvement if one is not using the Cast cables? Aren't there cast speaker cables? Do these just work with Krell speakers?

There is a 300C for sale that I am considering and only want to buy it if it is a step up (preferably sizeable) from my FPB 200?

Is it a 300cx or just c?

Just spent two weeks using my ARC ref 3 with an FPB700c without coupling capacitors - perfect match.
Preamplifiers having teflon or low leakage dielectric capacitors such as used by ARC or conrad johnson should not be a problem.