I have done it many times.... If your listening habits would never strain the tweeter, I would normally remove the fluid rather than replace it. Can sound slightly better, never found it to sound worse.
Ferrofluid
Hey guys. So I have been texting someone from Germany I met online as he also has a pair of B&W 800 Matrix speakers. He mentioned that he treats his tweeters every so many years with Ferro fluid. It was kinda hard to actually text about it online with someone I just met from another county. I did google it and looked on utube for some videos and there are some. It’s seems it should be done about every 10 years or so. And u actually have to take the tweeter out of the cabinet disassemble / remove the voice coil clean out the old Ferro fluid and add new Ferro fluid. It’s seems to be some kind of a magnetic liquid used in speakers especially tweeters for better clearer sound, highs, voices etc. It really looks like a job for the experienced in rebuilding speakers. Has anyone heard of this or had it done ? I’d really love to know from folks who had experience with this. My speakers are from the 90s and even though they still sound phenomenal I’d really like to know more about this. I do plan on keeping my speakers for the long term. Thanks to all in advance.
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- 37 posts total
I have changed the ferrofluid in my tweeters. The ease or difficulty in doing so depends entirely on how hard or easy it is to dissemble the tweeters. It turns out in my case it was easy to dissemble to tweeter to be able to get to the channel where you wipe out what's left of the old ferrofluid and add the new. Personally, with nicer speakers like yours I would just send the tweeters to Millersound and have him do the work. I'm sure it would be quick turnaround (guessing days) and very reasonable and Bill is great to deal with. Millersound Speaker Refoaming, Speaker Reconing and Repair Services Regarding "ferrofluid", from the net: "Ferrofluid cools down the speaker coils which are susceptible to extreme heat. Ferrofluid transfers and dissipates the thermal energy produced by the strong vibration of the moving driver. As magnets increase in temperature, they lose some of their power."
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- 37 posts total