Nice, they are apparently Model 3's, but his measurements are off slightly (6.5' tall, 23" wide). A beast of a speaker to move by oneself, but they will fit snugly in a minivan with the seats removed.
This is a RARE opportunity for sure and his comments suggest they were well taken care of over the years. Although, they would have surely needed a recap and new grill cloth years ago.
Edit: Some notes I recently posted in another thread. but wanted to add them to this thread to try and keep it all in one place.
I wanted to try and summarize some thoughts with regard to Beveridge speakers. There were not many models, but some significant differences between them.
The Model 2 and 2SW (with subs) both incorporated a stat with 3 sections of 2' each. Although I have yet to see/hear them, these are regarded as the pinnacle speaker, with the 2SW getting the best reviews. In addition, these incorporated their own tube amps for power. Unfortunately, the stat design apparently was not as robust as the later Model 3 and very often, at least one section of the panel loses tension and becomes non-working. Secondly, the internal tube amps have all needed to be rebuilt as well. Probably not a surprise on the amps, but from what I have read, not as easy as rebuilding other popular amps. Altogether, while a world class speaker when working properly, finding such a solid working pair will prove to be a challenge.
The Model 3, I think, is Harold's best commercially viable speaker. The stat is comprised of 2 sections 3' each and, thus far, I have not found an owner with faulty panels. They also incorporate two woofers, one on each end. They do not have internal amps, so no fuss there to worry about. They incorporate an array of connection options for amplification, so you can connect one amp or bi-amp at your discretion.
The next models are more complicated and less well known. There are some brief comments about a Model 4, but I've not confirmed any actual examples. The Model 5 seems to be the next iteration and it is split between manufacturing designs. The early models used a single panel of the original stat used in the Model 3. Seems to have been some leftover stat inventory Harold used since he somehow managed to reopen his business, but keep his prior inventory. While these were being sold, he completed the development of the final Model 5 that uses a completely new circuit board stat. There were also some other changes to the connection panel that brought it up a notch in manufacturing (better switches, terminals, etc.). The fit and finish just appear to be much higher. The downside of these newer models though were that the stat itself was not as robust and they began to fail late in life. No idea how many pairs were made of each, but I have confirmed two pair of early models (one which I own).
Lastly, there are references to a Model 6, but I have not confirmed any owners of such or if they continued to use the same circuit board stat or reverted back to the original stat design.
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