In 1978, Teledyne Acoustic Research introduced the AR9 (initially called the “AR-25”), a brand ... net weight of 130 lbs., and the tower configuration eliminated most room-placement issues found with ...

It is purely subjective, based on my having been intimately involved in the speaker market—both as a fanatical ... edge engineering breakthroughs and industry firsts. The Acoustic Research AR-3a AR ...