just wanted to let people know that I sold my set of sda srs 3.1tl for $1000.00 cash the person was happy with the buy I payed $800.00 2 years ago 2013 they all worked had to replace two tweeters 2 days after I got them back in 2013 driving them hard with my Sansui G9000 and pink floyd dark side at a real 160 watt a side they sounded great ! tell I lost my highs in one speaker ( real smoke from tweeter not good ! ) sansui was set at 2/3 volume bass flat one click on tweeter setting no loud but high filter on concert sound level was sounding so good room size 20' X 18' going to be selling my sansui g9000 now have a g22000 240 watt a side a 8 ohms .002 thd to drive my new ones I building