Synth-DIY Yahoo! Groups Archives

Filter on a stick

2005-12-21 by The Old Crow

Well, my long-standing goal to build an M board out of discrete parts 
progresses; I have made the VCO, and now the filter(s) in discrete SMT 
form.  I may yet get the CSR-80 ("R" for 'rackmount") prototype made 
before much longer.  Currently working on the filter EG.

  I've also made a retrofit "filter on a stick" using JH's SSM2040 
schematic and just today got the bare boards back from the board plant.  
It will plug into a CEM3320 socket.  Time to assemble one...

Crow
/**/

Re: [yamahacs80] Filter on a stick

2005-12-21 by Max Fazio

Great work Scott, do you think you will make it commercial as you did with the MOTM filter model?
M

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  ----- Original Message ----- 
  From: The Old Crow 
  To: yamahacs80@yahoogroups.com 
  Sent: Wednesday, December 21, 2005 4:21 AM
  Subject: [yamahacs80] Filter on a stick



    Well, my long-standing goal to build an M board out of discrete parts 
  progresses; I have made the VCO, and now the filter(s) in discrete SMT 
  form.  I may yet get the CSR-80 ("R" for 'rackmount") prototype made 
  before much longer.  Currently working on the filter EG.

    I've also made a retrofit "filter on a stick" using JH's SSM2040 
  schematic and just today got the bare boards back from the board plant.  
  It will plug into a CEM3320 socket.  Time to assemble one...

  Crow
  /**/



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Re: Filter on a stick

2005-12-21 by David Rogoff

--- In yamahacs80@yahoogroups.com, The Old Crow <oldcrow@o...> wrote:
>   Well, my long-standing goal to build an M board out of discrete parts 
> progresses; I have made the VCO, and now the filter(s) in discrete SMT 
> form.  I may yet get the CSR-80 ("R" for 'rackmount") prototype made 
> before much longer.  Currently working on the filter EG.

Great stuff - we need pictures!  I vote for adding sustain to the VCF
EG, so it can act like a 'normal' EG, and also add invert to the output.

 David

Yamaha CS80

Filter on a stick

Filter on a stick

Re: [yamahacs80] Filter on a stick

Re: Filter on a stick

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