[R-390] 6BJ6/6BH6 sub

[Tim Shoppa]

> Okay, now it's time to educate me on this issue.  If the 6BH6 is a
remote
> cutoff tube, then it won't go into cutoff as "early" as the sharp
cutoff
> 6BJ6, right?

Other way around: 6BJ6 is remote cutoff, 6BH6 is sharp cutoff.

The 6BJ6 was the original IF tube. 6BH6 is the sub.

>  If that's the case, then why will you see distortion on strong 
> signals with the remote cutoff tube?

Actually either will distort with very strong signals. And when
you're subbing around it's likely that biases etc will be quite
unoptimal for critical use.

Tim.