SDA2's with DS3000es ohms 8 or 4

gregcruickshank
gregcruickshank Posts: 3
edited May 2010 in Vintage Speakers
I just bought a pair of SDA 2's and a Sony DS3000es the amp specs say it will operate on either 4 ohms or 8 I understand the SDA 2's are 4ohms. I cant figure out how to set the amp to 4 ohms or how to tell what it is set at? Can any one help?