[sdiy] Oakley News

Miles Stevens milesstevens89 at gmail.com
Tue Nov 20 16:42:48 CET 2018


I saw 'oberheim SEM' in the layout of the two ADSR controls on the front
panel too. Looks like a fantastic product overall, very neat.

I'm certainly interested in hearing more about the circuitry you used in
the PW section if you had some time and felt like sharing anything.

Kind regards -Miles

On Wed, 21 Nov 2018 at 01:18, Jacob Watters <jacobwatters at gmail.com> wrote:

> "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.
>
>
> *Jacob Watters*
> Web & Multimedia Specialist
> JacobWatters.com <http://jacobwatters.com/>
> Tel: 226-886-3526
>
>
> 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
>> classics?
>>
>> Thanks,
>> Tom
>>
>> ==================
>>        Electric Druid
>> Synth & Stompbox DIY
>> ==================
>>
>> > On 20 Nov 2018, at 10:20, Oakley Sound <oakleysound at btinternet.com>
>> wrote:
>> >
>> > 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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>>
>>
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