A nearly one-of-a-kind recording console used in the production of Pink Floyd’s iconic 1973 album “Dark Side of the Moon” sold at auction Monday for more than $1.8 million. The 40-channel, custom-built EMI TG12345 MK IV recording console fetched $1,807,500 from an unidentified bidder Monday – more than double the amount auctioneers expected the iconic studio…