Is anyone using PCL82 tubes?

You might want to check over at head-fi. There is a small German OTL integrated amp (Eklipse maybe) often used to drive AKG K1000 headphones that uses those tubes. My recollection is that amp was reportedly NOT sensitive to tube rolling.

I'll take a look at head-fi. I have a Vista Audio SET amp that is sensitive to tube rolling. I like Raytheon and RCA so far, but would really like to try more because they are pretty cheap to experiment with.