Friday, 20 December 2013

Sequence On

So after much fiddling about and reading of dusty schematics me and Big Al (mostly Big Al) got the EMS TKS up and running. It had a dead LM7400N chip inside it (a quadruple positive NAND gate if you must know) but luckily this is something Al could replace quite easily. There are some impossibly hard to find components in the TKS circuit (BBD shift registers that haven't been around since the mid 1970s) that are very fragile and prone to being destroyed by static or just looking at them funnily, but somehow they had survived all these years. There is still some work to be done on this little beauty, such as the tuning spread ratios need tweaking, but as you can see from the video it really opens up the functionality of the VCS3, making it one of the nicest self-contained systems around

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