[sdiy] help adding a 1/v oct input to an MS20/50 vco core?

[Analog/DIY]

If you are interested, I have designed and manufactured pc boards for the ms10 vco circuit, with accommodations for a tempco and trimmer for scale a la ms50. For the matched transistor pair there is accommodations for the original 2sc1583 as well as hand matched discrete EBC pinned  transistors. 

http://www.muffwiggler.com/forum/viewtopic.php?t=38676

Also a pcb for the ms10/20 "korg35" discrete filter. For anyone interested.

My apologies if this reply in inappropriate in any way!

-Mike

 


Sent from my iPad

On Aug 22, 2011, at 9:05 AM, Dan Snazelle <subjectivity at hotmail.com> wrote:

> I used 2n3904/2n3906
> J201
> 
> Sent from my iPhone
> 
> On Aug 21, 2011, at 12:55 AM, dan snazelle <subjectivity at hotmail.com> wrote:
> 
>> thanks everybody for the advice
>> 
>> i got it working
>> 
>> I really, really, like this vco...and I have built a lot of em this week!
>> 
>> something about the Bass, hard to explain but very alive. 
>> 
>> gonna see if i can fit 3 on a perfboard.....
>> 
>> 
>> 
>> times like these, I love SDIY! 
>> thanks
>> 
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