Which came first?



So, I have two Visual Cortex ( cortices?) and they are slightly different. One has pots labeled out/in, smaller switches, and has a serial # tag on the back circuit board. The other’s pots are rise/fall, larger switches, and the tag is on the back of the front panel.

Curious which is older/younger? How long was this in production?

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Visual Cortex was first announced in 2014. The model on the left is older. According to the announcement, a frontpanel revision was made in July of that year.

This thread tracks a conversation about the pair pictured below. The Creator and @Z0NK0UT talk about timeline, a rework, and new firmware.

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I picked mine up in November 2015 and i cant remember which face plate it had originally as i later had issues and visited Lars who replaced the circuit board but i think i kept my original face plate which has the Out/In text.

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Hmm The mystery increases! And when did production stop?

They seem functionally identical - were there any changes?

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No Electrical changes as I recall. The frontpanel legending changed from an initial multi-color silkscreen process to the more common metalphoto process, and the switch cutouts sized up to accommodate the same slide switch used on other Expedition series modules.

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It’s interesting to see some of the differences between the 2 panels, the naming conventions: the Multiply & Sum/Additive switch; the Composite/VC writing just above the jack to the right of the previous switch; the shape/contour switch in the ramps section; & then there’s the slightly stronger blue used for lines & most naming text compared to all black & slightly thinner lines on the later revised panel (right side of photo at the top of this thread).

& now I’ve only just giving the digital render of VC, as seen in @7pip’s comment (no.2 above), a closer look & it seems to be a mixture of both panels yet calls the Composite/VC Jack (above RGB2/CH.2) Crossfader which is how I’ve always thought of it because plugging into it disables the built-in crossfader, by cutting off it’s functionality, in favour of the new CV or Video-rate signal.