[sdiy] VCF caps in modern synths

David G Dixon dixon at mail.ubc.ca
Thu Jan 7 20:28:33 CET 2021

I typically use silvered mica caps in my handmade filters (those
weird-looking shiny black things), typically 200pF.


From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf Of
Sent: Thursday, January 07, 2021 12:20 PM
To: Vladimir Pantelic
Subject: Re: [sdiy] VCF caps in modern synths

[CAUTION: Non-UBC Email] 
Thanks for the chats on this.
Curious to hear that sh101/202 used ceramics. Sounds like this is quite
normal in the industry. I would hope that today we at minimum have a
predominance of C0G types since they don't cost much more than a cent each.
I was noticed in the ssi2140 docs that "Ceramic C0G/NP0, polystyrene, some
polyester and polycarbonate types are recommended".I was surprised to not
see polypropylene in the list and also have never heard of polycarbonate


On Wed, Jan 6, 2021 at 2:06 AM Vladimir Pantelic <vladoman at gmail.com> wrote:

On 2021-01-06 08:56, ColinMuirDorward wrote:

> In the world of hifi/mastering gear, attractive looking WIMA packages,
> non-polar electrolytics, and the like, seem to add credibility to a
> I don't see this trend perpetuate in the commercial-synth market, despite
> VCF-fetishes. At

Well, I have seen some suspiciously red and bulky capacitor packages in
Synthesis Technologies latest products, given they generate the sound
they are not VCF or S&H related... but then I don't think Synthech needs to
extra cred, no?

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