[quote name='Al Heeley' post='931077' date='Aug 20 2010, 04:13 PM']Yep deffo ohms on left side of graph, however, this has absolutely nothing to do with the O/P's question about Speakon connectors [/quote]
I know; was simply responding to flyfisher's question, 'cause I'm a helpful soul.
Back on topic: I think Speakons are terrific and would never use 1/4" jacks unless I absolutely had to.