You have spent more time arguing on this forum than it would have taken to try one speaker at a time to see if there is a short somewhere. As an EE (and ClubNeon can back me up), one more test would not cause your amp any harm especially since the trip is there to protect your amp.

Stop being so defensive, there have been a lot of good suggestions here. It's better to spend a little time to see if you have one bad speaker than to spend more money to buy another amp you may not need.

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