who has posted in this topic. any and all topics are much appreciated. Both positive and negative. or is there such a thing as negative perhaps it has to do with ones perspective. from those of you who have experimented, and those that havent. both answers all add up to good reading. didnt think the thread would have an argumentative tone to it but thats ok. as long as no one gets beat up phiscally(sorry got to catch up on my spelling). and no one gets murdered....plz?! i view this listening to music as a hobby and will experiment with anything i could think to do with my speakers. fill them with poly fill, try and get it right so i dont dampen the midrange. happened once stuffed to little mid woofer cabs (sp- 155w they were $50 each)with more polyfill then they needed which dampened the bass but only too much. wasnt so muddy anymore but output was way down along with the midrange. which i didnt like so i removed it. a few weeks later after thinking about it much, i sprayed the inside of the cabinets with auto underbody rubberized spray to the tune of too cans each. regreted it for a while there because they smelled like the gas from the spray for a couple of weeks. finally one day i put poly fill in them and put them over a heater covered with a wool blanket. took care of the brunt of it. usable again. i was so happy.yay?! i got out of audio for about ten years but i started around 17 years ago. got back in in october of last year. sorry so long winded. i dont speak much personally but when i write....