Well don't I feel silly...

Romain / rXg xtechcode at gmail.com
Wed Jan 23 21:14:16 CET 2013


Please don t ...  I read that the back of the patch panel is quite hell ...

On Wednesday, January 23, 2013, Jay Vaughan wrote:

> > i must admit, the only way i know is to take it apart and identify the
> > green chips on the PCB
>
>
> From wikipedia:
>
> "Originally, the filters used Korg's proprietary KORG-35] thick film i.c.
> Later, the filters were redesigned to use off-the-shelf LM13600 OTAs. MS-20
> units fitted with LM13600 filters have a small daughter board; the front
> panel on such units often has a tell-tale mounting screw whose head is
> visible in the vicinity of the VCA block diagram. However, a report to the
> Analogue Heaven email list in January 2010 identified an MS-20 with the
> front panel screw but containing the Korg 35 filter thick film circuit
> rather than the expected LM13600 circuit."
>
>
> So it seems we have to take it apart to find out.  (Mine has the screw.)
>
> I don't wanna take mine apart, either.
>
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-- 
Romain
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