1970's again? (was Re: [sdiy] pro EQs)

[TIm Daugard]

> > Actually, the real reason is Math is Hard. :-)
>
> Bah! I laugh at your puny counterargument!! ;-)
>
> There is plenty of heavy math on the analog side of this hobby. Magnus, for
> one, can spew some serious math porn. Just ask him how to calculate the
> corner frequencies of a filter. (I know, Magnus, it depends on the type of
> filter!)

1/(2piRC)=F . . .  (1 pole low or high pass) also good for the center frequency
of a phase shift network.

I've used that one so much that it's been years since I had to look it up. For
more than one pole, I use a spreadsheet.

Tim Daugard
AG4GZ 30.4078N 86.6227W
http://home.sprintmail.com/~daugard/synth.htm

It's below freezing in Florida!! What a year for weather. Maybe I shouda forgot
about the roof and had a nice fireplace installed.