pregnant very high end of the 80 in line with hpm 100 and 150, but less powerful and less heavy (17 pounds per speaker all the same!)
a very high accuracy in the sound ... these speakers have nothing to envy to today!
very high quality workmanship, very serious "hot" and "round" ... very clear treble
high linearity in frequency curve (normal HPs with 4 per speaker!)
to buy the closed eyes and ears open if you can find on the net!