Last year, I split out the String Celeste on my Rodgers 340 analog organ. For that project, I was able to repurpose an unused Rodgers Leslie interface to provide expression to that signal. From what I can tell, that interface tapped off the Light Dependent Resistor (LDR) used for expression on the main board and used that to drive the Leslie interface expression circuit. It worked just fine. (By the way, that is the depth of my current component circuit skills at present. I still have much to learn.)
Now, I'd like to split out another channel, perhaps the flutes, but I do not want to lose expression.
I could try and duplicate the Rodgers expression circuit on a breadboard - it has a handful of transistors, resistors, etc..
Before I attempt that, I wonder if there is an easier more modern expression circuit? Perhaps even one with an IC that would only need a proportional voltage input?
Open to ideas/suggestions.
This is as much for my education as it is for desire. I've learned so much from the people on this forum. I figure the smartest people who could help me can be found here. :-)
Now, I'd like to split out another channel, perhaps the flutes, but I do not want to lose expression.
I could try and duplicate the Rodgers expression circuit on a breadboard - it has a handful of transistors, resistors, etc..
Before I attempt that, I wonder if there is an easier more modern expression circuit? Perhaps even one with an IC that would only need a proportional voltage input?
Open to ideas/suggestions.
This is as much for my education as it is for desire. I've learned so much from the people on this forum. I figure the smartest people who could help me can be found here. :-)
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