Damping SEAS Tweeter Chamber Cover

Monjul · 21st July 2010, 01:28 PM

Hi all. I know this has been discussed previously, but has anyone actually performed the measurments to test whether or not damping the plastic rear chamber cover helps or hinders the performance of the tweeter? The rear cover has a nasty resonance when tapped.

I've read of many DYI'ers who use Mortite, Blu-Tack, Gem-Tack, Duct Seal, PVA amongst others to accomplish this. Thanks in advance.

jerome69 · 21st July 2010, 06:38 PM

Hi,

All the rear chambers are already damped well I don't know ? Some high end tweeters with hexadym magnet seem to have a well damped system.
I only know the 27TBC (G) ? is well damped because I know the French designer who worked on it and asked to SEAS to make the damping like he wanted.

I played with the rear chamber. It was a T25CF001. I did not do a lot of measurements and I no longer have them. I prefer the sound without rear chamber, very open and natural but the level of the high treble falls down too much to remove the back chamber.

21st July 2010, 01:28 PM	#1
Monjul diyAudio Member Join Date: Jan 2010	Damping SEAS Tweeter Chamber Cover Hi all. I know this has been discussed previously, but has anyone actually performed the measurments to test whether or not damping the plastic rear chamber cover helps or hinders the performance of the tweeter? The rear cover has a nasty resonance when tapped. I've read of many DYI'ers who use Mortite, Blu-Tack, Gem-Tack, Duct Seal, PVA amongst others to accomplish this. Thanks in advance.

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21st July 2010, 06:38 PM	#2
jerome69 diyAudio Member Join Date: Feb 2008 Location: Lyon	Hi, All the rear chambers are already damped well I don't know ? Some high end tweeters with hexadym magnet seem to have a well damped system. I only know the 27TBC (G) ? is well damped because I know the French designer who worked on it and asked to SEAS to make the damping like he wanted. I played with the rear chamber. It was a T25CF001. I did not do a lot of measurements and I no longer have them. I prefer the sound without rear chamber, very open and natural but the level of the high treble falls down too much to remove the back chamber.

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