PAiA vocoder - was NE570 book from MAP

[Mark Verbos]

jhaible wrote:

> > Although the original design is a good one, I would highly recommend that
> > anyone considering this design implement the modifications suggested by
> > Scott Lee of PAiA.  I built one of these without mods and then later
> > installed the modifications (consisting of 4 chips with op amps and a few
> > resistor changes).  In my opinion, the changes make this a better design.
>
> > I still find the best method to get the most realistic vocal sounds out
> of
> > this machine is to run the modulating signal (vocals) through a graphic
> EQ
> > before the input of the vocoder.  Tweaking of the graphic EQ and levels
> is
> > the key to good performance of this machine (and most vocoders).
> > Kudos to Scott for his mods to this already fine machine at such a
> > reasonable price.
> > Larry Hendry
>
> When I built mine (I didn't know about Paia at all, I got the circuit from
> the
> Keyboard mag), I made a few changes to the circuit, and included level
> potentiometers for each channel. I have made a PCB (16cm x 10cm)
> for the vocoder, including the potentiometers that were directly soldered
> into the board. These were special pots with a mounting bracet (the ones
> MAM used to use for the old version of their line mixers), but you might
> find other potentiometers that fit in as well.
> Maybe I have the films around somewhere still ...
> Interested ? John ?

Id like to see that.

--
mark verbos

"I think the future of analog modulars is to build them yourself."

verbos at on-q.com
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 "Logic Circuits" as CMOS on Shokoy, Germany