Speakers heard in a consignment shop with power amp and preamp: the overall quality is amazing for speakers of that time ... the dynamics of frenzied rock are impressive! (Two times one hundred watts eligible sensitivity 92.5, 26.7 kilos). Quality JBL L100 close to me, besides the same time, 75-80 years.
However the limitations are noticeable on very recent recordings (mostly classical) tweeter and super tweeter integrated (three four-way HP) tend to become invasive with a high level. In summary pregnant cumbersome but a great value especially in light of current low-end productions ....