Sunday, 11 August 2019

Korg OVD-1





7 comments:

  1. Verified! The 470R resistor and the 3k3 resistor needs to be moved from row H to row G, coming off pin 2 of the IC. Really not sure what D1 and D2 are doing, but I left them there. A fun alternative to a basic tubescreamer.

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  2. Anyone know what a good sub for the 2SK30A would be?

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    Replies
    1. I'd try any N channel JFET - 2N5457, 2N5458, J201, J113, etc. Just mind the pinout, you'll need to twist gate and source around.

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  3. How about the 1S1555s? 1N4148 be ok?

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  4. Yep, 1N4148 or 1N914 are equivalent. I'm still not sure what D1 and D2 are doing, almost like a surge protector that would protect the audio circuit if DC was plugged into it?

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    Replies
    1. Maybe it's a little hard clipping to drive it harder than a stock TS.

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