Discussion about the Korg PolySix synthesizer group photo

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Discussion about the Korg PolySix synthesizer

Index last updated: 2026-04-28 23:40 UTC

Message

Re: [PolySix] MG / LFO Q1 transistor replacement.

2014-03-15 by The Old Crow

I used a 2N3819 when I made replacement boards.  These days, I would 
use a J112. --Crow

On 3/9/2014 10:51 AM, josh.nursing@gmail.com wrote:
>
>
> What would be a good replacement for Q1 in the MG circuit?
>
> The original seems to be 2SK30A 
> <http://www.ic-on-line.cn/view_images.php?id=1525095>.
>
> Jed's updated parts list for the clone suggests a 2N7000 
> <http://www.fairchildsemi.com/ds/2N/2N7000.pdf> (not tested I think).
>
> From some web research, a substitute may be the MPF102 
> <http://www.fairchildsemi.com/ds/MP/MPF102.pdf>.
>
> Would these last two work?
>
>
>
>

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