How can I connect my instrument to a real leslie speaker?

The only instrument we made with the direct connection for a leslie speaker was the Crumar MojoXT: it had a 11 pin connector. It is really important to understand that the only modern standard for leslie speakers and rotary speakers in general is the modern 11 pin. All the other standards (5 pins, 6 pins ecc ecc) are old and potentially dangerous and we can't give support on this kind of connections. If you would like to connect your organ (mojo classic or suitcase, mojo desktop or mojo61) to a rotary speaker with the 11 pin connector, you should consider buying our "Crumar Eleven" adapter. https://www.crumar.it/?a=showproduct&b=40