[sdiy] Famous Fixed Filters - FFF PCB ?

Anthony Bisset abisset at dspaudio.com
Tue Nov 27 03:31:41 CET 2007


Anyone gotten into the habit of using the nagra 4.2's filter section to
help make mixes more radio/boombox friendly?

Anyway, i like these filters a lot for cleaning up difficult
source material (without any noticeable filtering effect).

J.H. whatever filters you decide on, i'm interested in one.


-a




transparently removing offensive frequencies for for making mixes more radio friendly

, these are very simple but
useful on difficult source material.

On Sat, 24 Nov 2007, JH. wrote:

> >I suppose the most sensible - and practical - thing would be to just have
> >an
> >IN and OUT jack for each filter.
> >But it would be amusing to have a voltage controlled "filter select"
> >function. I guess this could be done separately.
>
> Well that's the good thing about DIY - every one can build the interface and
> front panel just like he or she wants.
> Tiny Telephone jacks anyone? :)
>
> You can even choose the parts with which to populate the PCB: "vintage"
> opamps with slew limiting, or the cleanest Burr Brown or AD audio types.
>
> And the pots for mixing aren't part of the PCB - so anyone can wire up a
> huge panel with pots and/or switches, or just go for a smaller solution.
>
> JH.
>
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