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Now available replacements for Korg custom chips!
Good news for all owners and fans of the first Korg synthesizers : 700, 700S and 800DV!

Now available in the store Wutierson replacements for Korg Keio IC TS200011 for the VCO and Keio IC TS201012 for VCF.
Inside the old synthesizers we can find a pair of sealed modules at the VCO core and at the VCF "Traveler " which were manufactured by Korg exclusively for those models. The problem came years later when for some reason a module failed and could not get the same part , unless destroying other synthesizer that uses it.

Colin Fraser in 2010 did a great job making reverse engineering of each module , so at least, you could start to make a replacement with the right components, to avoid "sacrifice" of other old Korg synthesizers. Colin's work has been a big help to start making these replacement modules . We recommend to visit his website to learn more about their interesting work . http://www.colinfraser.com/

Now it will be much easier to repair one of those lovely synthesizers. Using Wutierson replacements you can avoid spend time with design/making dedicated PCB , avoid spend time looking for the parts, avoid spend time with select/match components to ensure an exact performance like the old IC's.

The replacements are ready to install, just unsolder the defect old IC, put and solder the new replacement and continue playing! saving much time in the repair work.