The best advice I can offer you is to really, really try to borrow a good amp [a Carver TFM-35 will do, nothing extravagant really needed for this] and just listen at low volume [or your normal volume] and come back and tell us what you observed. Don't come up with excuses on why you can't get this done. If you are on other forums, there has GOT to be someone near you or someone willing to drive to your house to let you get your ear on. All I'm suggesting is that you put forth your best effort and try.
If you do follow this advice, you can thank me later. If you don't, then you might as well consider this discussion mute. Numbers won't tell you how something sounds and nothing we say will ever change that fact. Either way, happy listening. Oh, and you do not have to be an audiophile to hear the difference. Far from it in fact.