Yes and no. I still own a pair of DQ-10 speakers. Five years ago I poured a small fortune in to them with all the updates and upgrades. I even went to a custom furniture maker and had him make a very nice set of custom speaker stands. I may have spent $2,000 rebuilding on the DQ-10s that cost me $1,200 40 years ago.
Three years ago I purchased a pair of Magnepan 3.7i speakers
to replace them after listening to the maggies driven by some Classe’
amps. I am disappointed in my current
home setup and I blame my 40 year old power amp. Both the DQ-10 speakers or the Magnepan 3.7i
sound OK but both are hindered by my old power amp. I remember listening to the 3.7i for the
first time at home thinking that is not much better or different than my
rebuilt DQ-10s. Each will need a first
class modern preamp and power amps for best performance and a fair comparison. And that is next plan.