jas@proteon.com (John A. Shriver) (05/15/91)
All LS-3/5A's have that little boom at 120 Hz. The BBC (who license the design to manufacturers) designed it in as a psyhco-acoustic correction for the lack of true lows. The BBC requires such strict quality control on the LS-3/5A so that all will sound the same. The standards are so strict that pair matching is not required, 10 years later you can replace one speaker of a pair. They are reference monitoring speakers that they still use for on-site recording, and they want them all to sound the same. Good positioning on stands can help the boom, but it won't go away, and makes interfacing with subwoofers quite difficult. Still, there are many things that they do so right, I happily used a pair for over 10 years. They are not very effiecient, about 82 dB at 1 Watt. They also don't have a lot of power handling, and can be fried if you are careless with a high-power amp.
edh@wheeler.wrcr.unr.edu (Ed Hackett) (05/16/91)
In article <12151@uwm.edu> jas@proteon.com (John A. Shriver) writes: >Good positioning on stands can help the boom, but it won't go away, >and makes interfacing with subwoofers quite difficult. Still, there >are many things that they do so right, I happily used a pair for over >10 years. I too have used a pair for almost 10 years. I tried a Audio Pro B250 subwoofer with limited success. I lucked into a set of Satterberg woofers that were made just for the LS-3/5A. The crossover was designed just for these speakers and begins to roll them off at 175hz. The sound is wonderful, with bass extending down to about 32hz and the two systems blend perfectly. They turn the system into one of the best 3 way systems around. The Satterbergs are a must with the LS-3/5As, but I don't know if they are still availiable. I listen to other speakers once in a while and have found nothing that I can afford that comes close to the sound of this combination. >They are not very effiecient, about 82 dB at 1 Watt. They also don't >have a lot of power handling, and can be fried if you are careless >with a high-power amp. I run mine with a BK ST202 (150w/channel) with no problems. The Satterbergs do unload a lot of the power from the LS-3/5As and they will _almost_ play loudly. Mine say 25 watts max music power on the back, so I do cringe when I crank them up, but so far no problems. Ed Hackett The Desert Research Institute edh@wheeler.wrc.unr.edu Reno, Nevada (702) 673-7380 DoD #0200 DIOC BMWRA ARA I'm not really a chemist, I'm just one of Ducati 900SS BMW K100RS them motorsicle sonsabitches. __=o&o>__