Well, there are bananas and then there are bananas. Some bananas are so loose they barely stay in place. The kind that look like a crimped tube generally fit snugger and make better surface contact. My favorite, however, are the locking bananas. They give you the best of 'most everything--convenience of bananas, stress-free ability to connect and disconnect, plus excellent surface contact and the ability to stay put just like torqued-down spades.
I bought a pair of Cobalt speaker cables from a pawnshop. They came with the locking bananas and spoiled me. My integrated amp doesn't take spades--bare wire, pins, or bananas. So for this setup locking bananas are a boon. Since then I replaced them with some Zu Libtec speaker cables with snug but non-locking bananas. They'll do but the locking ones are better. But I'll put up with it because these Libtecs are incredibly good.
I bought a pair of Cobalt speaker cables from a pawnshop. They came with the locking bananas and spoiled me. My integrated amp doesn't take spades--bare wire, pins, or bananas. So for this setup locking bananas are a boon. Since then I replaced them with some Zu Libtec speaker cables with snug but non-locking bananas. They'll do but the locking ones are better. But I'll put up with it because these Libtecs are incredibly good.