Euro/Frac Supersaw module coming from MOTM

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synthetic
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Euro/Frac Supersaw module coming from MOTM

Post by synthetic » Tue Dec 23, 2008 7:55 pm

From the Yahoo list:

Saving the biggest for last: in late April to early March I will be offering Euro Rack modules. The first is called the E340 SuperSaw VCO. It is a digital VCO that has up to 8 detuned sawtooths and sines. It's not a full-blown Cloud Generator, it has maybe 40% of the features. Yes, there will be a Frac version. More details to follow :)

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Post by parasitk » Tue Dec 23, 2008 7:59 pm

Cool, finally! I'm not so into the whole "supersaw" concept personally, but a "supersine" sounds like a lot of fun. :sb:

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Post by plord » Tue Dec 23, 2008 8:05 pm

Wouldn't a supersine be like doing additive synthesis with only 8 partials?

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Post by chimologic » Tue Dec 23, 2008 8:47 pm

that would be my guess, but I am imagining there is some kind of cv control for the separation of the waves, among other functions, for some kind of animation style sounds? is also nice to have the sound of 8 oscillators in a small amount of real state....


either way excited that motm is going to start doing Euro Format!

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Post by fluxmonkey » Tue Dec 23, 2008 9:51 pm

i frankly don['t understand why more mfrs don't offer both euro/frac versions of their modules. seems like the biggest investment would be the PCB design, and most designs would be physcially cross-compatible and in most cases only need a few component changes to switch between 12 and 15 volts.... so it's just a matter of doing 2 panel runs with similar layouts but slighty different dimensions.

not that i'd offer advice to any of those guys, they know their stuff better than i do for sure...

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Post by plord » Tue Dec 23, 2008 11:46 pm

You got your voltage differences in some cases also, so maybe sometimes it's less than trivial to get 10V p-p on 15V when you spec'd to 5V p-p on 12V?

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Post by synthetic » Wed Dec 24, 2008 12:15 am

More:
Photos of breadboard here:

www.synthtech.com/misc/e340_bb1.jpg

www.synthtech.com/misc/e340_bb2.jpg

Early demo (anti-aliasing code not tweaked) showing different settings

www.synthtech.com/misc/e340_saw_test.mp3

Enveloping the various CV inputs to get a "whump" tone (for sine and saw):

www.synthtech.com/misc/e340_sine1.mp3

www.synthtech.com/misc/e340_saw1.mp3

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Post by wetterberg » Wed Dec 24, 2008 12:15 am

I think the biggest change from single-format to multi-format would be in the pcb design and in sourcing parts.

I know it takes a lot of time and effort to set up a network of suppliers for panels, knobs, switches, jacks and so on. But the biggest problem has to be the PCBs.

Look at the Blacet boards: He could make a killing in euro, a lot of his circuits would probably work more or less out of the box on +-12v, but the damned boards are SO ENORMOUS, that they wouldn't fit without a thorough remix.

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Post by Kwote » Wed Dec 24, 2008 1:54 pm

parasitk wrote:a "supersine" sounds like a lot of fun. :sb:
as long as it's perfect that should be no problem.
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Post by felix » Wed Dec 24, 2008 2:28 pm

Kwote wrote:
parasitk wrote:a "supersine" sounds like a lot of fun. :sb:
as long as it's perfect that should be no problem.
Ah yes, but this will be digital, which, as we all have learned, is not perfect because it is too perfect.

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Post by synthetic » Wed Dec 24, 2008 11:00 pm


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Post by wetterberg » Fri Dec 26, 2008 6:40 pm

synthetic wrote:More:
lols at "breadboard"

Image

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Post by paults » Fri Jan 16, 2009 10:50 am

a) much easier to do a 'giant' pc board than mess with the SMT soldering on daughter cards/perf board.

b) currently 40% done with production E340 card layout. Expect to have beta test units ready by end of Feb.

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