[sdiy] Trueno

Roman Sowa modular at go2.pl
Tue Dec 12 12:51:28 CET 2017

Also I've seen a lot of interesting comments like "it's digital synth 
because it's SMD and connects with USB".


W dniu 2017-12-12 o 11:51, paula at synth.net pisze:
> Interesting, I'd love to see the flip side.
> I found this when I googled it, and whoever wrote this needs a kick in 
> the backside "It has 3 VCOs, but they are digitally controlled which 
> makes them DCOs for all the pedants out there" this is just NOT true, 
> the memorymoog has VCOs which are digitally controlled, so that doesn't 
> mean they're DCOs!
> Paula
> On 2017-12-12 09:57, Roman Sowa wrote:
>> The list is a bit too quiet recently, so maybe instead of regular "is
>> this thing on?", here's something to discuss and threading endless
>> suppositions about what's in there and what's not.
>> One of my fb friends has just bought the Trueno synthesizer and by my
>> polite request, he made a photo of inards at better angle than the one
>> on maker's website. Photo of the other side tomorrow - he says.
>> http://www.synthdiy.eu/files/trueno.jpg
>> My first thought when I saw it was ASM-1 or MFOS, but that's probably
>> just because of generous amount of TL074. Plus 3x 4051 mux.
>> Obviously on the other side will be some ARM or whatever to deal with
>> USB, ADC and control voltages, DC/DC converters, and something tunable
>> for the filter (OTA, or transistors), because it's only one 074
>> outlined there as VCF with only few passive components.
>> Roman
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