Yahoo Groups archive

Cgs synth

Index last updated: 2026-04-28 23:16 UTC

Message

Re: Ringmod-Oakley VCO Problem?

2005-07-17 by sasami@hotkey.net.au

Cross posted from the Oakley list. Of interest to those with Real Rings.

Ken

>I have a CGS real ring modulator too, it is a very difficult load to
>drive and does all kinds of funny things to the waveshape and levels
>of oscillators driving it, I had similar problems using it with my
>Oakley vco's but it was even worse with VCS3 oscillators, the levels
>dropped to virtually zero.
>
>I was very dissapointed when I tried mine for the first time and it
>took a bit of playing around to get it working properly. My solution
>was to use a TL074 as voltage followers / buffers on the two inputs
>and as a non inverting amplifier on the output to bring the gain back
>to unity as it drops the output signal level quite a bit because of
>its passive design.
>
>These mods make it behave very well indeed and keeps vco output levels
>and waveshapes stable, but it still retains its distinticive sound - I
>find it quite a bit warmer and more organic than the usual four
>quadrant multiplier type ring mod designs.
>
>cheers,
>Allan
>
>
>--- In oakley-synths@yahoogroups.com, "waveform100" <googol@g...>
>wrote:
>> When I patch the Sine-out from any of my Oakley VCO's into a
>Multiple
>> and then into any of the CGS Real Ring Inputs (or out) and hear at
>the
>> same time the Sine (with that Multiple), the Sine is completely
>> changed. I cannot hear the Ringmod-Outs at the same time with the
>> unmodulated, clean Sine from the VCO, because there is no Sine
>anymore.
>> Its like the Real-Ring had some effect backwards to the VCO
>electronic.
>>
>> I don't get it. Is there a solution for this problem?
>
_______________________________________________________________________
Ken Stone sasami@... or sasami@...
Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.