[sdiy] Unique sounding modules that can't have voltage control?

[Benjamin Tremblay]

Interesting topic!
In software-based systems, we look to define a way to dial up a chaotic effect with some normalized range of values. In hardware-based systems, we may include a knob that is neither normalized nor voltage-controlled to stir the chaos pot. 
I like the design compromises in nonlinearcircuits modules but I admit I do not own any. Loved reading the guide for bong0.


Benjamin Tremblay

> On Feb 9, 2024, at 7:53 AM, Mike Bryant <mbryant at futurehorizons.com> wrote:
> 
> 
> 
> >> All these old designs often tended to rely on odd parameters, often unspecified, of the components that you just wouldn't do nowadays as high quality components are so much cheaper.
> 
> let's hear more about those Mike!
> 
> How about the original fuzz boxes, which gave a different sound with each and every germanium transistor.  Top guitarists used to go into Denmark St and try every one in a new batch to find the best sounding one.
> 
> 
> 
> From: cheater cheater <cheater00social at gmail.com>
> Sent: 09 February 2024 11:17
> To: Mike Bryant <mbryant at futurehorizons.com>
> Cc: Adam (synthDIY) <synthdiy at adambaby.com>; synth-diy <synth-diy at synth-diy.org>
> Subject: Re: [sdiy] Unique sounding modules that can't have voltage control?
>  
> > All these old designs often tended to rely on odd parameters, often unspecified, of the components that you just wouldn't do nowadays as high quality components are so much cheaper.
> 
> let's hear more about those Mike!
> 
> On Fri, Feb 9, 2024 at 11:37 AM Mike Bryant <mbryant at futurehorizons.com> wrote:
> >
> > You can recreate any sound digitally.  You can probably recreate almost every sound with modern analogue circuits.
> >
> > The problem lies more with knowing how that sound was created in the first place.  All these old designs often tended to rely on odd parameters, often unspecified, of the components that you just wouldn't do nowadays as high quality components are so much cheaper.
> >
> > An extreme case, but I wouldn't be surprised if there's some old product out there that relies on the non-linearity of a 10% carbon resistor :-)
> > ________________________________
> > From: Synth-diy <synth-diy-bounces at synth-diy.org> on behalf of cheater cheater via Synth-diy <synth-diy at synth-diy.org>
> > Sent: 09 February 2024 10:19
> > To: Adam (synthDIY) <synthdiy at adambaby.com>
> > Cc: synth-diy <synth-diy at synth-diy.org>
> > Subject: Re: [sdiy] Unique sounding modules that can't have voltage control?
> >
> > So I remember a time a few years in the past when people were really
> > upset that OTAs were being discontinued, because they were apparently
> > the only way to build some things with voltage control. I don't know
> > if those have been fully replaced with VCAs in their role.
> >
> > Here's another thought. Replacing a resistor with a semiconductor
> > doesn't just add resistance, it can also add capacitance. Maybe that
> > changes things. Also, now the item is ever so slightly non linear
> > rather than being linear. That's another thing.
> >
> > All three of those things seem like they could cause either issues (eg
> > capacitance somewhere makes a thing just not work at all) or could
> > change the sound. But I don't have any concrete examples, so I'm
> > hoping this will jog someone's memory.
> >
> > On Fri, Feb 9, 2024 at 11:02 AM Adam (synthDIY) <synthdiy at adambaby.com> wrote:
> > >
> > > Long time no hear David... but that is a classic 'Doc Sketchy' comment...
> > >
> > >
> > > ;-)
> > >
> > >
> > >
> > > A
> > >
> > >
> > > > On 9 Feb 2024, at 2:27 pm, David G Dixon via Synth-diy <synth-diy at synth-diy.org> wrote:
> > > >
> > > > I doubt that there are many things that couldn't be put under voltage
> > > > control with a 2164 and a bit of ingenuity.
> > > >
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