These are the 4-8ohm version and uses the small magnet HF1300. From what I can figure out they are the second version (MkII) with the fabric grill cloth. However, I am not entirely certain. I truly believe that speaker technology have come a long way since the 1950/60/70/80 and that each generations of speakers comes with improvement, especially with materials and engineering. However, that does not dissuade vintage speakers by any means. If they sounded good back in the day, they probably still sound nice today. Over the past couple of years and transitioning from a house to condo living, I've begun to appreciate bookshelf speakers more. As well, not everyone wants a big or bigger set of speakers. While I've always kept my Bozak MB-80s and I do have a set of modern "stand mount" speakers, I still like to experience vintage bookshelf speakers. The difference between the more vintage bookshelf and the more modern bookshelf or stand-mount speakers are, at least the way
All About Audio - Mostly Vintage