Help with DC power connectors please


Hello all. I am hoping one of you can help me find a connector like in the pictures below, or at least provide the proper name so I can Google it. I need the connector for a DC power cord/supply upgrade I am working on. The component uses the female end of this connector and not a typical barrel connector. I have googled a number of things but I obviously do not know the proper name of the connector since my searches keep showing barrel connectors

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mitch2

I thought the pictures loaded but then they didn't show up in the post.  Sorry. See below.  

Thanks for the links but I only need the connector.  I already have the supply and cable but had to reterminate the cable to match the input connector on the preamp.  I was hoping to find it somewhere like McMaster Carr but haven't had any luck. 

It's called an Aviation connector and that looks like a GX12 2 pin.  Might be easier and cheaper just to buy the whole cable from Ghent Audio