[sdiy] Minimoog clone

[Graham Atkins]

On 11 Jul 2010, at 09:36, David Griffith wrote:

>> I'm somewhat neutral about the keyboard.  Modern Fatar movements  
>> seem acceptable enough for me.  My big hangup is how to convert a  
>> matrixed keyboard to a bussed one.

You can still buy old style J-wire contact blocks for keyboards like  
early synths had. You just need to mount the blocks so that the  
plunger under each key closes the contact(s) correctly. Kimber Allen  
in the UK supply them.

http://www.kimberallen.8m.net/index.html


>>  Once this is solved, it can go a long way to provide a solution  
>> for people who for whatever reason need to replace a Pratt-Read  
>> keybed.  I see two approaches for converting a Fatar movement. One  
>> involves dinking around with the matrix connectors.  A  
>> microcontroller can do this fairly trivially.  I'll have to play  
>> around with paper and pencil to see if I can do it just with  
>> wires.  The other approach is to add new buss-style wiring to the  
>> keyboard.  Another concern using Fatar movements is that they seem  
>> to not come in 44-key versions.  What does the Minimoog Voyager use?


Graham