Dual Banana lPlugs

Do speaker terminations that accept banana plugs have a standardized width between the positive and negative terminations that will accept the dual banana plug?

All of my speakers have had uniform spacing, but not all of my amps. Hard to make a universal statement though.
I would not dare to make the assumption that spacing is consistent, especially if you are comparing speakers manufactured in different countries. And for that matter, even the barrel of the banana does not have a consistent diameter. Don't buy dual bananas until you're absolutely sure that they will fit your speakers. Better yet, avoid banana problems altogether and buy something like WBT locking bananas.
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