Banana Plugs too narrow


I purchased high end banana plugs to use on my Coincident tube amp and my Coincident Victory speakers.  The banana plugs are too “narrow” for the “hole” on the speakers.  They slip in and out, with absolutely no connection.  I don’t know why.  Does anyone out there have an answer?  Thanks much.
enofile
Out of curiosity, what speaker cable are you using?  If I were truly smitten with the cable I'd inquire into sending them back to the manufacturer and have them replace the bananas with spade connectors.  A few years ago I did this with a pair of Kimber cables.  I think it cost me about $60 shipped working with Kimber. 
Wouldn't risk going bare, even if you are pretty sure where that speaker has been, it could have had a spade on the side. And.. wait, is this a 3-way we're talking about? Or ... five???
When I’m plugging into my speaker, I prefer the D’appolito position.
Too much? ok.
Are they locking bananas? If so, you need to tighten the collar after you slip them in. This expands the post for a tight fit.
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