The diaphragm is obviously damaged (an adapter is capable of overdriving it so it starts arcing)
But you can always try to do a return in those cases, and get another one after that. Unless it was advertised as defective in the first place, it should be accepted.
Of if the price was low in the first place, it may worth it for the parts alone.
Here's the problem: sold as-is in the description, no return policy. The seller had no adapter to test it with, hence that.
The only loophole I can think of is that it was listed as "Used", which in eBay parlance means that it "is fully operational and functions as intended". Were it listed as "For parts or repair", which implies it may not be working as intended (and which I will always do with an imbalanced set), then I'd be totally hosed...
Regardless, my questions about the Normal bias Gammas are now answered. Respectable-sounding (if balanced) with a smaller soundstage than the Lambda line, but those shallow earcups and my big ears (pinnae) just do not get along at all.
Edited by NamelessPFG - 3/15/13 at 7:51pm