Spade vs. banana plug

I don't have a preference in terms of the effect on the sound but do prefer the Z-plug or BFA style banana connectors. They provide a large contact area and the ability to slightly alter the diameter to fit what are often slightly inconsistent sizes in the diameter of the holes in the binding posts across brands.
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I found that spades tend to get loss over time. A good tighten is required here and there. Banana plugs, especially the spring type, never get loss.
So, since I use only banana plugs.

Spade, banana, unterminated.  

Paper, rock, scissors.  

Read, set, Go!

Depends on if you want best sound over the long haul - low mass, gas tight spades give you that.

Spade is 10 microseconds slower in removal from speaker lug. Possibly aggravating arthritis from the twisting motion in the hands that many of members have.

Studies have shown cryogenic versions do not have any benefit.