Percussion ribbon controller

david elinoff daveede at yahoo.com
Thu Nov 11 02:35:10 CET 1999


as does the Yamaha YC 45D organ....If anyone has one
they would like to sell, please email me.

--- Rory McDonald <rmcdonald at viewtech.com> wrote:
> I like the ribbon controller on my Yamaha CS-80;
> when you press anywhere on
> the ribbon, it places a reference point, and then
> when you move up or down
> from that reference it pitches up or down from that
> point.  It has quite a
> bit of range too.  I can look and see if I have any
> schematics on it.
> Someone on the list probably knows this ribbon
> technically a lot better than
> I.
> -Rory Mc Donald
> 
> -----Original Message-----
> From: Grant Richter [mailto:grichter at execpc.com]
> Sent: Wednesday, November 10, 1999 1:16 PM
> To: dougt at cancerboard.ab.ca;
> synth-diy at mailhost.bpa.nl
> Subject: Re: Percussion ribbon controller
> 
> 
> Max Mathews had a design in the 70s that was
> a drum controller that output the X and Y
> co-ordinates
> of the drum strike in addition to force (and maybe
> velocity).
> 
> I found it in the University library in a series of
> booklets
> titled "Proceedings of IRCAM" or something like
> that.
> It may very well be on the IRCAM website.
> 
> Otherwise you want the S.T.E.I.M repository
> (can't find the link) from the Netherlands. Those
> guys
> have done more with alternate controllers than
> anybody. Way cool stuff.
> 
> I have a roll of conductive tape that is used by
> high voltage electricians to cover insulated joints
> for
> static dissipation. Two feet of tape is about 300K
> and it is a half inch wide, made by 3M (Scotch)
> The trouble is it is sticky, you have to clean it
> and then
> rub powdered graphite into it to get it to work for
> ribbon controllers. I believe regular reel to reel
> audio
> tape is conductive also.
> 
> The problem is what you put on TOP of it to act
> as a slider for your linear potentiometer.
> Aluminized mylar was recommended by Electronotes
> by doesn't hold up well (thin and fragile).
> Solder braid will work but rips the hell out of your
> finger.
> The Moog units used custom woven metal tape
> that was OK on the finger but kept breaking also.
> I still haven't found a good solution.
> 
> ----------
> > From: Doug Tymofichuk <dougt at cancerboard.ab.ca>
> > To: synth-diy at mailhost.bpa.nl
> > Subject: Percussion ribbon controller
> > Date: Wednesday, November 10, 1999 12:40 PM
> > 
> > Hello, everyone,
> > 
> > Has anybody out there ever seen plans for a ribbon
> 
> > controller that you operate like a drum, so that
> you get 
> > different notes depending on where you hit it? I
> am 
> > thinking of something about two feet long that
> covers maybe 
> > two octaves of range. Absolute pitch is not an
> issue. Some 
> > type of robust resistive element perhaps?
> > 
> > TIA
> > ----------------------
> > Doug Tymofichuk
> > dougt at cancerboard.ab.ca
> 


=====

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