[sdiy] Good choice of capacitor type for Moog 904A VCLPF 4 stages...

[Paul Weber]

Polystyrene are not too expensive especially compared to the Wima type.  
Mouser has an excellent selection.

Someone mentioned putting in various pads.  That is a lovely way of 
going about it.

Paul (Bulghur)

On 5/7/2014 17:52, Jean-Pierre Desrochers wrote:
> I posted that question some days ago with no replies left..
> Here it is again:
> I'm not an engineer and try to figure out
> what type of capacitor would be the best to be used
> for the 4 low pass stages of a Moog 904A low pass filter ?
> I read that some type tends to be 'microphonic' and other have
> easily DC leakage... And I know that polystyrene are greatly appreciated
> for their 'stable' caracteristics.. (but $$$).
> I found Panasonic has the ECQ series that could be a choice
> but.. and what about film polypropylene ?
> I'm in the process of PCB design and need to choose
> the good cap footprints for the 3 capacitors I'll use
> which are: 1.2uf  0.33uf  and 0.075uf like in the
> original Moog drawing.
>
> Your good advises are WELCOME !!!
> JP
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