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Subject: Re: [yamahacs80] Yamaha CS-60 modification

From: "matrix" <matrixsynth@...>
Date: 2005-12-04

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@...> 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@...>
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
>
>
>
>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>



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