Yamaha CS80

oasysfan2 wrote:

>I've been discussing the sound of the CS-80 ring modulator on the
>CS-80V group, and I wanted to ask for your insight here.  Listening to
>Richard Lawson's demo,
>
>http://www.rlmusic.co.uk/mals_site/mp3s/cs80_700.mp3
>
>it sounds like the CS-80 RM is mono.  i.e. the ring modulation between
>:09 and 0:19 doesn't pan back and forth.  What's confusing is I found
>another CS-80 RM example in which the RM sound definitely moves back
>and forth in the stereo field.
>
>http://personal.inet.fi/private/matador/cs-80_user_ringmod.mp3
>
>What am I hearing?  Is it because chorus is on (not sure if it is),
>and the RM is subject to the stereo chorus?  Thanks for any help in
>better understanding the original.
>  
>
The ring-mod is mono.  In fact, the whole CS-80 is mono until it gets to 
the chorus.  Here's the detailed block diagram: 
http://www.synthfool.com/schematics/cs80_2.jpg.   You can see the the 
signal becomes stereo on the OE2 board, which is the guts of the 
chorus/tremelo.

 David