Restaurare difuzor HIFI de frecvenţă joasă (VKN1221)
In the late 70s, the bass-midrange speakers VKN-1231 (index OH 0469274-82) were very popular for their fast elastic bass and rich timbre in the middle. In the periodical literature of those years, there were many developments based on these speakers, up to Hi-End. But few people knew that there was a broadband version of them (index OH…