Ah Specs. I learned a while ago especially with speakers to only look at the sensitivity spec. The most current reason is my Dyn C1's are rated 45-22khz. My brother in law has Vienna Acoustic (forget which model) that are rated 32-25k and we both agree my Dyn's go lower. It could be due to the fact the VA's distort more at the lower frequencies (just a guess). Besides if I were a manufacturer I would look for a frequency band where the distortion is the lowest to publish. For me the same holds true for amps regarding watts (but that is a long story).
Bottom line is let your ears decide what sounds best ;-)
Bottom line is let your ears decide what sounds best ;-)