michael - regarding the CS7, which was the flagship model with plenty of greatness; and sell cheaply on the used market. 1995 was the time of rapid development of fully in-house drivers. Between the CS6, 7, 3.6 and especially the CS2.3 coax, so much was learned to improve the drivers, that Jim redesigned the 7 with all new in-house drivers and, of course, redesigned crossovers to support the changes. Broad opinion says the upgrade 7.2 was spectacular. 7s are fully retrofittable to 7.2s - the cabinets are identical and the crossovers are modifiable. If you buy 7s inexpensively, you may have the option to fully upgrade, if Rob at Coherent Source Service still has 7.2 drivers. My wish-list includes hot-rodding the 7.2 - there is room for improvement. I have mentioned here before that just because the 3.7 obsoleted the 6 and 7.2, that was for logistics of simplified manufacture pending Jim's death, and not because the 3.7 is superior to the 6 and 7.2.
Sorry to bear the sad news, but the 7 is a qualitatively better speaker than the 3.5, especially in a large room. In many ways the 7.2 is the pinnacle of Jim's life work and a 7.3 was in development when his health failed. If you can afford them, I suspect you will never regret getting them. Consider the amplifier caveats, the 7 is far harder to drive. We can circumvent a big part of the amp problem via dividing the inputs into bass and upper ranges for separate amplification, which would require 2 amps. Jim's objection to bi-amping / bi-wiring revolved around various mis-use issues, not fundamental principles. But we can keep that straight with amp and cable choices that consider those signal integration problems carefully.
Sorry to bear the sad news, but the 7 is a qualitatively better speaker than the 3.5, especially in a large room. In many ways the 7.2 is the pinnacle of Jim's life work and a 7.3 was in development when his health failed. If you can afford them, I suspect you will never regret getting them. Consider the amplifier caveats, the 7 is far harder to drive. We can circumvent a big part of the amp problem via dividing the inputs into bass and upper ranges for separate amplification, which would require 2 amps. Jim's objection to bi-amping / bi-wiring revolved around various mis-use issues, not fundamental principles. But we can keep that straight with amp and cable choices that consider those signal integration problems carefully.