Yamaha CS80

Hey Matrix:

You should post some clips for the mod CS-60....

BTW does anyone knows where I can find schematics for a CS-60?  Also 
are there schematics for adding CV/gate outputs?

Thanks....

--- In yamahacs80@yahoogroups.com, "matrix" <matrixsynth@h...> wrote:
>
> Looks like I spoke too soon.  Turning the AUX voices on and 
sending an arpeggiation IN does not cycle through the voices, but 
rather plays up to three voices at a time.  So you can have an 
arpeggiation driving three OSCs at the same time.  If you switch 8 
to 4 to try and double that, it seem like a note hangs rather than 
having a 6 OCS arp going.  Also, the Tune knob to the right of 2 
only affects 2 and the knob to the right of 3 only affects 3.  There 
is no Tune knob for AUX 1.
> 
> -matrix
> http://www.matrixsynth.com/blog 
> ____________________________
>   ----- Original Message ----- 
>   From: matrix 
>   To: yamahacs80@yahoogroups.com 
>   Sent: Sunday, December 04, 2005 2:20 PM
>   Subject: Re: [yamahacs80] Yamaha CS-60 modification
> 
> 
>   I think I just figured it out!
> 
>   The obvious:
>   1. The 8/4 switch goes between 8 and 4 voices where 8 is one OSC 
per voice and 4 is two per voice, as you'd expect.
>   2. The tune knob seems to detune the voices to make the sound 
richer, but it's obviously easy to make it sound too out of tune
> 
>   What was not so obvious:
>   3. The Aux 1, 2, and 3 switches when alow you to disable up 1, 
2, or 3 voices from being triggered from the keyboard.  There's a CV 
IN and Trigg mod on the back.  If you feed an Arpeggiation through 
the CV IN, each of the three voices that are switched will sound.  
The Tune knobs adjust the pitch of each.  So you can have an 
arpegiation going, adjust the picts for each and play along with 
it.  Very nice.
> 
>   Cheers,
>   -matrix
>   http://www.matrixsynth.com/blog 
>   ____________________________
>     ----- Original Message ----- 
>     From: carlos cestero 
>     To: yamahacs80@yahoogroups.com 
>     Sent: Sunday, December 04, 2005 10:21 AM
>     Subject: Re: [yamahacs80] Yamaha CS-60 modification
> 
> 
>     Thanks for the pic very nice...Can you tell us more about that 
mod or actually the features of that Mod?
>        
>       
> 
>     matrix <matrixsynth@h...> wrote:
>       Period messed up the URL.  Try this: 
http://www.matrixsynth.com/CS60mod.gif 
> 
>     -matrix
>     http://www.matrixsynth.com/blog 
>     ____________________________
>       ----- Original Message ----- 
>       From: matrix 
>       To: yamahacs80@yahoogroups.com 
>       Sent: Friday, December 02, 2005 12:40 PM
>       Subject: Re: [yamahacs80] Yamaha CS-60 modification
> 
> 
>       Is this what yours looked like: 
http://www.matrixsynth.com/CS60mod.gif.  This is on mine.  I 
actually really, really like it and leave it on most of the time.  
The sound is much fuller layered but obviously you get cut down to 4 
voices.  Mine came this way, so I couldn't help implementing the mod 
myself.
> 
>       -matrix
>       http://www.matrixsynth.com/blog 
>       ____________________________
>         ----- Original Message ----- 
>         From: JH. 
>         To: yamahacs80@yahoogroups.com 
>         Sent: Thursday, December 01, 2005 12:48 PM
>         Subject: Re: [yamahacs80] Yamaha CS-60 modification
> 
> 
>         In my CS60, such a mod was done.
>         The Gate signals were simply connected together in pairs 
(with a switch),
>         apparently
>         forming some weird wired-OR.
>         In a 3rd switch position, the Gates were connected in two 
quadruples,
>         obviously
>         aiming at a two-voice, 4-note stack.
>         First thing I did was getting rid of this modification.
>         It _sort_of_ worked, but not really perfectly. Probably 
becaus eof the
>         comlex
>         voice allocation in the CS-Synths.
>         The right way to do it, IMO, would be like this:
>         In 4-Voice mode, use the output pin for the 5th Gate as an 
input pin with
>         the right logic level
>         (look up CS-50 and CS-60 schemos for details), and connect 
Voice board 5's
>         CV to
>         Voice board 1's CV, 6 to 2, and so on.
>         Disclaimer: I have *NOT* done this myself, I do not really 
recommend it
>         (otherwise
>         I would have done it on my CS-60), and apart from this 
mail, I won't be of
>         much help
>         if you want to do this in yout precious instrument.
> 
>         JH.
> 
> 
>         ----- Original Message ----- 
>         From: "pureoldsound" <pureoldsound@y...>
>         To: <yamahacs80@yahoogroups.com>
>         Sent: Thursday, December 01, 2005 5:12 PM
>         Subject: [yamahacs80] Yamaha CS-60 modification
> 
> 
>         > Does anyone knows about a mod for the CS60 which lets 
you layer 4
>         > voices on top of the other 4?
>         >
>         > Thanks
>         >
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