I have a pair of B&W DM640's. Sound real nice but i have to be real careful with the volume as the tweeter is prone to blowing up. I want to get another set of speakers that I don't have to worry so much about that. i can spend $2000 used. Suggestions?
I have been reading some threads and some people that have older speakers with ferrofluid say it dries out. Maybe that is it? Some songs the tweeter is very clear and on others there is a slight static sound.
I have decent equipment Audio Research SP8 and Aragon 4004 mkII. I only have blown the tweeter once. It was an accident. i turned on the system and walked away and the volume was just a bit too high and there was a trumpet part that blasted it. I was too late too the volume control to turn it down. It only sounds like there is damage when I play certain passages of certain songs.
I have yet to conclude but I swapped tweeters and the defect did not switch L/R speakers. So I suspect the mid. Not the actual speaker but a defect in my own handi work. I put a poly bypass cap on a NPE and maybe have a bad solder connection and I also changed a resistor value and used an older power resistor I had in stock and maybe it wasn't good so as soon as I go in I'll find out. (how embarrassing :)
Ugh, cold solder connection on a poly cap I installed to replace NPE. Fixed sounds great! At least it didn't cost me anything other than aggrevation! Note, these do B&W do play loud enough with no distortion!
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