11 pin to 6 pin Leslie adaptor circuit

[monarchinfo]

I'd like to take a moment to extend my deep thanks a wonderful fellow who designed and published an excellent adaptor circuit for use between a 6 pin Leslie amp, (145, 147) and an 11 pin Hammond organ and then even graciously provided answers to my questions.
KUDO's to Bob Rinker and his generous sharing of his circuit design. I reached Bob at his email site, rinker@cs.uidaho.edu.
I built the unit in a less high tech fashion than Mr. Rinker did, just using a peg-board style circuit board, copper coated on one side and pre-drilled with numerous holes. I purchased the majority of the parts at RS and have about $40.00 total tied up in parts. The commercial units range in price from about $230.00 to $350.00. The Rinker circuit works flawlessly and my Hammond XK-3c functions as it should, using the circuit.
I strongly recommend giving this circuit a try if you're in need of cross-technology-connecting unit. Mr. Rinker does not charge for this and gave me permission to publish his name and the circuit when I emailed him and thanked him. He also produces circuits that he sells (no compensation to me) and if you are in need of electronic circuits that offer switching and such, you might consider giving him a shout to see if he can help you.

Bob Hoxter

[jimmywilliams]

I came across his site a while ago while researching ways to make a universal preamp pedal. Yes, very helpful info. The document you are referring to is here: http://www2.cs.uidaho.edu/~rinker/leslierelay.pdf He also has some other interface schematics too.

[Hamman]

Hey Thanks guys, I printed it out and I now have that one in my Hammond-Leslie "Bible"!