Why are there so many unopened amps, ect for sale?


I've noticed a lot, lately, especially McIntosh, ads for new amplifiers, preamps, ect in boxes never opened by non-dealers, just "regular" people. Are people hesitant to buy these. I myself was looking at a new McIntosh MC352 amp from a private seller. He said it's new and the box has never been opened. I'm rather hesitant to buy it, because why would someone buy it, never open it, and then turn around and sell it? I'm just curious. If it is truly new, would McIntosh warranty it; I'm assuming not since it's not coming from a dealer even though the warranty cards are supposed to be inside the unopened box. I truly would like to buy this amp, but am hesitant, and I'm wondering if anyone else has wondered why there are so many unopened boxes of stereo equipment for sale by non-dealers. Usually when we buy equipment from this site we know it's used equipment, unless it's coming from a dealer. Just a curious question and wondering if anyone had feelings on this subject. Thanks.
btstrg
Why not ask the seller? They should be able to account for how they acquired the item. If they can't or won't I think I would be inclined to pass on the deal. If a deal (something) is too good to be true.....
I have always been suspicious of this myself. I imagine people have opened the box, or maybe not, but then decided for whatever reason to sell before using. My best guess is they bought on impulse, then when confronted with the real cost (dollars, WAF, etc) they decide to get rid of it.
Cheers,
In most cases people carefully unseal the box and than seal it back if they need to sell. Certainly they have to maintain the unit's cosmetic condition as new. By default, the unit that left the territory of audio dealer is used even if it was never used.

I don't know about Mac but most of the companies will not transfer the warranty. The only company I know is Bryston but truly, since it produces the high mass products for pro- amplification movie-theater amplification they don't realy care about home audio/video consumers in terms of loosing or gaining the business as much as other manufacturers that solely produce home audio/video products.

If I were the small manufacturer such as Unison Research or EAR I wouldn't ever give a warranty on the used product because I would ruin my business.
I have no idea why people would do such a thing, nor will i fathom a guess. Whether they are legit or not could only be found out by buying them and finding out. You can pay your money and take your chances...

As to warranties being covered, Bryston and Sunfire are the only ones that i know of that would do such things. Sunfire goes by the serial number, which has the production date on it. As such, they warranty their product and not who owns it ( much like Bryston ). THAT is how it should be. Sean
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As a rule new, used, 10/10, 9/10 whatever. If it's at least 50% off retail, and the guy has decent feedback just buy it. You really can't lose at that price point.