Ahhhhhh, the no highs no lows, Bose. Always thought they would make the worlds best midrange speaker, add a Heil tweeter and subwoofer to complete the system. However, in 1978 or so a friend and I went to an old fashioned audio salon in Tempe AZ. It was a free Bose 901 demo. The sound room was dead quiet, carpets, drapes, thick cloth couches and comfortable chairs. All of the electronics were Mcintosh, big macs not small watt amps. Number one cheat, a reel to reel playing at 15 or 30 ips. And as MC mentioned the 8 drivers were facing the listeners-not the wall. The soundstage was huge. I had never heard Mick and bros Sympathy for the Devil sound this good, sounds popping out of everywhere, it was a great demo. The sound lacked cymbal sheen/timbre.
I had to replace my then ESS Heil AMT4 10inch driver, went downtown Phoenix AZ to the local recon shop. The owner suggested a pair of used Bose 10inch woofs, instead of repairing the cheap, cheap ESS woof. He also explained crossovers in detail, especially the air chokes, showed me a huge 25lb copper choke. 3 hours later I left with a pair of Bose 10s. They were way better than the stock woofs. You never know til you try.