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MS-10 pwm, DS-10 osc 2 source

 
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CharlesFerraro
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Joined: 06 Feb 2010
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PostPosted: Tue Nov 27, 2012 10:58 am    Post subject: MS-10 pwm, DS-10 osc 2 source Reply with quote

After poking around the iMS-20 and learning it's an exact replica of the real thing I went back and took a closer look at the DS-10. Apparently a real MS-10 had pwm and didn't offer osc 2 as a mod source, very much like the 20. I thought the "DS" was a clever play on initials but the unit is really a different beast unto its own. It even does oscillator Sync which was never available on an MS series.

Offering out osc 2 allows for ring modulation if you patch into the VCA. Or FM, better described as Cross modulation, when going into pitch. Only after doing some direct comparisons with the RADIAS did I realize AQ created something very special. The little thing sounds great.
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roblabs
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PostPosted: Sun Dec 09, 2012 6:43 pm    Post subject: Reply with quote

I know...the DS-10 is a really, really great tool. Its amazing how cheap it is in comparison to what you can get out of it. I always find myself going back to it and pushing its limits...
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djcactus
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PostPosted: Sun Dec 09, 2012 8:26 pm    Post subject: Reply with quote

Ive gotten decent pwm results by programing the modulation generator into the touch screen you can adjust it and record the automation.... cool stuff.
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CharlesFerraro
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PostPosted: Mon Dec 10, 2012 1:04 am    Post subject: Reply with quote

djcactus wrote:
Ive gotten decent pwm results by programing the modulation generator into the touch screen you can adjust it and record the automation.... cool stuff.


hmm, I'm not exactly sure what you're saying here. KAOSS pad 3 lets you assign any parameter to the x and y axes. Pulse width modulation unfortunately isn't available in the engine. If you set VCO 1 and 2 to square waves at equal volume and make sure osc 2 is barely detuned then you'll get a sound reminiscent of a triangle wave adjusting pulse width by the 'beating' frequency rate difference of the waveforms. Alas, this isn't true pwm which is explained in this much more technical article: http://www.soundonsound.com/sos/Mar03/articles/synthsecrets47.asp

A glance through an oscilloscope will confirm this difference.
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djcactus
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PostPosted: Mon Dec 10, 2012 5:07 am    Post subject: Reply with quote

Gordon Reid is great! Ive been looking over the synth secrets articles for a few years. Im aware there is no true pwm, more so my ds-10 carts are packed up with my gear right now so i couldnt pull up any tracks for reference.
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