MOTM

> That's what I said.  Besides, if the vactrols have a 20% tolerance, and
the
> pots have a 10% tolerance, it could add up to a significant difference.

Nit picking here, the pot's tolerance will only have a minor influence.
(They are used as variable dividers, not as rheostats.)

> God invented the vactrol?? ;)

He he, God invented man, and man invented vactrols (;->).

Sorry if anything from my mails sounded pompous - I just wanted
to say that it's all a direct consequence of using Vactrols,
and the filter would not be what it is, without them.

JH.