--- In motm@y..., "Paul Schreiber" <synth1@a...> wrote:
> OK, it's really '490. I did notice the 904A is "brighter", so I
looked at the spectra on WinAMP.
> You can plainly see (and hear) it. This is either the CV Mod not
being set exactly, or the
> initial Freq not set exactly.
>
Yes, it is really hard to get two filters, especially an old 904A
that barely oscillates, to tune and track together. I tried to get
the initial frequency correct with a tuner but it was hard to
maintain that over the entire sweep.
Eric