[sdiy] Great DIY polysynths

[Tom Wiltshire]

It's the Xpander filter, built with the AS3372E from Alfa. I know because I sent him the chips, and we were discussing it the other day.

> On 5 Aug 2026, at 12:53, Benjamin Tremblay <btremblay at me.com> wrote:
> 
> This is very cool. I wish there were more details about the filter.
> 
> 
> Benjamin Tremblay
> 
>> On Aug 5, 2026, at 6:49 AM, Tom Wiltshire <tom at electricdruid.net> wrote:
>> 
>> Oh, don't worry, it's all real. Craig's work rate is genuinely impressive!
>> 
>>> On 5 Aug 2026, at 06:26, Rutger Vlek via Synth-diy <synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org>> wrote:
>>> 
>>> I don't mean to spoil the fun, but I'm wondering.... Is this real? Some of the pictures have an AI generated vibe to them. For instance the small printed letters on the rear of the casing, with CE marking and all. Why would you do that for a proto?
>>> 
>>> Rutger 
>>> 
>>> Op di 4 aug 2026, 23:02 schreef Sean Ellis via Synth-diy <synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org>>:
>>> I saw this on Reddit, really impressive work. 
>>> 
>>> https://github.com/craigyjp/A_Bit_More <https://github.com/craigyjp/A_Bit_More>
>>> 
>>> https://github.com/craigyjp/Much-More <https://github.com/craigyjp/Much-More>
>>> 
>>> https://old.reddit.com/r/synthdiy/comments/1vf7w07/two_synths_built_about_a_year_apart/ <https://old.reddit.com/r/synthdiy/comments/1vf7w07/two_synths_built_about_a_year_apart/>________________________________________________________
>>> This is the Synth-diy mailing list
>>> Submit email to: Synth-diy at synth-diy.org <mailto:Synth-diy at synth-diy.org>
>>> View archive at: https://synth-diy.org/pipermail/synth-diy/ <https://synth-diy.org/pipermail/synth-diy/>
>>> Check your settings at: https://synth-diy.org/mailman/listinfo/synth-diy <https://synth-diy.org/mailman/listinfo/synth-diy>
>>> Selling or trading? Use marketplace at synth-diy.org <mailto:marketplace at synth-diy.org>
>>> ________________________________________________________
>>> This is the Synth-diy mailing list
>>> Submit email to: Synth-diy at synth-diy.org <mailto:Synth-diy at synth-diy.org>
>>> View archive at: https://synth-diy.org/pipermail/synth-diy/ <https://synth-diy.org/pipermail/synth-diy/>
>>> Check your settings at: https://synth-diy.org/mailman/listinfo/synth-diy <https://synth-diy.org/mailman/listinfo/synth-diy>
>>> Selling or trading? Use marketplace at synth-diy.org <mailto:marketplace at synth-diy.org>
>> 
>> ________________________________________________________
>> This is the Synth-diy mailing list
>> Submit email to: Synth-diy at synth-diy.org
>> View archive at: https://synth-diy.org/pipermail/synth-diy/
>> Check your settings at: https://synth-diy.org/mailman/listinfo/synth-diy
>> Selling or trading? Use marketplace at synth-diy.org

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://synth-diy.org/pipermail/synth-diy/attachments/20260805/1b76f769/attachment.htm>