Did Fleetwood Mac's "The Chain" blow up my woofer?

Hey Jayy42

I spent many years in live audio and have blown up more woofers than I care to remember. When ever we thought we had possibly blown a speaker our first test was always to push back and forth on the paper cone with our finger tips. If there was no movement or we felt resistance and heard a scrapping noise while pushing, the speaker was toast. If it moves freely your issue is elsewhere.

I also have a DD turntable and tonearm that are about 40 years old and have very poor damping properties and I have serious issues with rumble and speaker pumping. The first thing I did was make sure the the turntable was level. This alone improved the issue. I then purchased some isolation pads from amazon for about $8.00 for four. The ones I purchased were 4" square and are comprised of a piece of cork sandwiched between two layers of black rubber and are about 1" thick. Placing these pads under my turntable if they did not eliminate the rumble issue they greatly reduced the problem to the point that I no longer notice the issue.

If you have woofer pumping it should be visible, because the woofers will be moving a great distance at sub-sonic frequencies. Sometimes lighting can highlight the issue. When I upgraded my rack & turntable to the current ones, absolutely all traces of woofer pumping completely vanished - not that it was too bad before. It can be either your turntable, or lack of isolation, setup, or any combination. If everything is right, a rumble filter will not be necessary.

And my tech also checks the woofer's freedom of motion - if that's all good your woofer's mechanics are usually OK. 

PS - Another quick test is to use a 1.5 or 9 V battery on the woofer.

It either moves, or it doesn't.

Perfectly safe for all drivers.

I highly recommend the KAB RF-1. It is unique and does more than your average rumble filter. Check it out on his website. I have had one in my analog chain since about 2011.  Can't live without it since I have two subs which I run with my vinyl. It rocks! Dana

no  ,   your amp did  dirty
in dirty out