Lesie rs3l

So I just picked up a set of Leslie Rs3l’s. I bought them off of craigslist and they have already been rebuilt with new diaphragms and stuff. I am trying to research what the recommended tune would be and how much these actually retail for? any help is appreciated and thank you in advance.

Congrats. They tend to go between 400-700 depending on condition of course.
Good info can be found here in regards to tune etc…
http://locomotivehorns.info/leslie/supertyfon.shtml

Jealous