[sdiy] Moog 904A VCF best type of ladder capacitors.. orange drops or any good film caps.. ??

Tom Wiltshire tom at electricdruid.net
Sat Oct 27 09:32:45 CEST 2018


+1 agree.

If you’ve got Vishay film caps in there already, you won’t be able to hear any difference. I’d even go further and say that you’d probably struggle to *measure* a difference unless you’ve got some fancy equipment.

Tom

==================
       Electric Druid
Synth & Stompbox DIY
==================

> On 27 Oct 2018, at 02:45, Michael E Caloroso <mec.forumreader at gmail.com> wrote:
> 
> It is my distinguished opinion that guitar discussion forums are poor
> places for advice on electronics.  Way too many myths and folklore
> being perpetuated on them.
> 
> Capacitor dielectrics aren't going to make much difference in the Moog
> ladder filter.  Moog did change dielectrics over the years (film,
> polyester) with little difference in the sound.
> 
> The two significant contributors are the feedback architecture and the
> fidelity/coupling of the VCA following it.  Minimoog VCAs were not
> high fidelity devices and they distorted the waveform.
> 
> MC
> 
> On 10/26/18, Mike Beauchamp <list at mikebeauchamp.com> wrote:
>> 
>>> 
>>> What do you think ?
>>> 
>> 
>> Hey JPD,
>> 
>> The Orange Drop caps that I'm familiar with from tube amp work are the
>> polypropylene film and foil and polyester film and foil caps made by
>> CDE. If you're already using Vishay film caps, I'm not sure how much of
>> a difference you'd actually hear with the Orange Drop capacitor since
>> they're both film capacitors (and I'm a bit of a skeptic when it comes
>> to guitar capacitor woo). Easiest way to test is of course to just try it!
>> 
>> 
>> 
>> 
>> 
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