[sdiy] x0xb0x background noise problem

Synthusiast synthusiast at gmx.net
Tue Dec 13 19:59:42 CET 2005


>> Which VCA IC's are you using, BA6110's, BA610A's or a combination 
>> perhaps?

Of course I meant to write 'BA662A' instead of the 'BA610A'. Freaky 
fingers...

> Both are BA662A.  I managed to get the noise down a bit by swapping Q31, 
> Q32 and enveloppe transistors for others, as someone off-list
> suggested.

Ok, thanks for passing that tip. I'll try that on this x0xbox too.

Still not dead quiet as my own #082, but then again, my
> Polysix procudes more noise...

The last Polysix I had here could even pick up a Russian Radio station 
whenever you opened the panel. :-)

Regards,
Martijn 




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