[sdiy] Oakley News
jacobwatters at gmail.com
Tue Nov 20 15:15:09 CET 2018
"The voltage controlled filter (VCF) is a state variable design based on a
classic synthesiser first seen in the early 1970s."
I am going to guess Oberheim SEM.
Web & Multimedia Specialist
On Tue, Nov 20, 2018 at 7:52 AM Tom Wiltshire <tom at electricdruid.net> wrote:
> Very nice, Tony. It’s a simple synth, but it sounds great (I don’t think
> I’m very tuned in to 12dB filters - I should get over that).
> I’m curious for more details though.
> It says on the webpage that the VCOs are ramp-core, so I take it these are
> discrete and not done with 3340s?
> What did you use for the SVF? Is it an original design or one of the
> Electric Druid
> Synth & Stompbox DIY
> > On 20 Nov 2018, at 10:20, Oakley Sound <oakleysound at btinternet.com>
> > PCBs are now available for my new project.
> > The Oakley ASV is a complete analogue synthesiser in a 5U wide, or four
> MU width, module for the MOTM and MU formats. It consists of the
> traditional synthesiser architecture of two oscillators feeding a single
> state variable filter, via a mixer, and then to an amplifier. Two identical
> four stage envelope generators (ENV1 & ENV2), and one sine wave low
> frequency oscillator (LFO) act as modulation sources to control the sound
> in a dynamically interesting way.
> > Nothing particularly ground breaking but it's nice to have it in one
> compact module.
> > More information, pictures and sound samples at the usual place:
> > http://www.oakleysound.com/asv.htm
> > The documentation is still in the preliminary stages but I should have
> that finished in the next couple of days.
> > Tony
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