the lows can to....w/the right setup.
for example, I find the sound of Manley gear not lacking in any bass at all.
yes...I run VR4s, which are HUGE, w/my Sony 3000es. Though, its not quite enough power..but close.
other amps would drive them better, i'm sure.
My string pulling will always be available for TS.com members.
also, I can get good deals on Manley stuff as well. and let me tell ya, the two are pure synergy. Look up that word in the dictionary, it will say " see stingray > vr2"