dealer's demonstrations are problematical. the best suggestion is to visit several dealers and listen to a spekaer on your short list. if you observe some consistent sonic patterns, maybe you can trust the demonstrations.
if the "sound" varies significantly, you may need to get a home trial. if this is not feasible, you are facing the risk of not liking the speaker when you buy it.
if the "sound" varies significantly, you may need to get a home trial. if this is not feasible, you are facing the risk of not liking the speaker when you buy it.