Audio is my real passion and my love for JBLs and Altec goes back to the 60’s. In ~1973 I laid down some synthesizer tracks for a friend at Momma Jo’s Studio in North Hollywood. They used Altec “Super Big Reds” which were a special aftermarket endevor.
I found a studio going out of business and selling off their equipment. For $700 for the pair, including a custom made electronic crossover, custom made high frequency contouring units, and all the cables with dual banana plugs, I had these delivered to my living room. BTW, the cabinets are 5’2" and weigh over #300 each. Those are 15" woofers.
Back in the early 70’s it just didn’t get any better than this: