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Ferrofluid [message #41875 is a reply to message #41873]

Thu, 10 July 2003 10:50

Wayne Parham
Messages: 18789
Registered: January 2001

Illuminati (33rd Degree)

The issue with the PSD2002's is that the areas around the voice coil aren't sealed. Following is the reply made by an Eminence designer when asked specifically about using ferrofluid with their PSD2002 compression driver:

"We have experimented with FerroFluid many times and always come to the same conclusions: it is not for us. It has some advantages, but we feel the disadvantages outweigh them. It does help raise the power handling a bit, but not dramatically. The downsides are it is messy, it is expensive, and it evaporates over time turning into a thick sludge. Not a pretty thing."

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[Message index]

		PSD 2002 modifications By: Adam on Thu, 10 July 2003 08:24
		Re: PSD 2002 modifications By: Wayne Parham on Thu, 10 July 2003 09:50
		Huh? By: mollecon on Thu, 10 July 2003 10:06
		Ferrofluid By: Wayne Parham on Thu, 10 July 2003 10:50
		Thx Wayne By: mollecon on Thu, 10 July 2003 16:57
		Re: PSD 2002 modifications By: Adam on Thu, 10 July 2003 10:46
		Reply from Eminence By: Adam on Thu, 10 July 2003 16:37
		rear chamber access By: ToFo on Thu, 10 July 2003 18:01
		Re: rear chamber access By: Adam on Thu, 10 July 2003 18:54
		and a good thought at that. By: ToFo on Thu, 10 July 2003 20:53
		Re: and a good thought at that. By: Adam on Thu, 10 July 2003 22:38
		Sorry, but I'm going to hang on to them... By: ToFo on Thu, 10 July 2003 22:55
		Re: Sorry, but I'm going to hang on to them... By: Adam on Fri, 11 July 2003 08:55
		Measurements By: Wayne Parham on Thu, 10 July 2003 22:11
		Re: Measurements By: Adam on Thu, 10 July 2003 22:38
		Re: Mic for Measurements By: wunhuanglo on Fri, 11 July 2003 03:07
		Re: Mic for Measurements By: Chris R on Sat, 12 July 2003 09:34
		Re: Mic for Measurements - SORRY! By: wunhuanglo on Sat, 12 July 2003 19:41

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