vintage Philips domes

teknofon · 22nd April 2011, 05:28 PM

does anybody know the qes and qms of the old Philips AD0160 domes?

I'm trying to remove a peak at 4kHz

mickeymoose · 23rd April 2011, 04:35 PM

Good luck on that one. I dont believe that Philips measured or provided that info. These tweeters are from 1976 and allready then where known for their rather crisp and grating performance (hard plasic dome?). E

Richard Ellis · 23rd April 2011, 04:40 PM

All I found is a resonant frequency.....1K Hz., and an RE of 6.7 Ohms. Finding a Qms, Qes will be hard to find as Thiele & Small didn't do their work till '76' or so. One would have to measure the T/S with an existing unit.

__________________________________________________ ______Rick.........

22nd April 2011, 05:28 PM	#1
teknofon diyAudio Member Join Date: Apr 2011	vintage Philips domes does anybody know the qes and qms of the old Philips AD0160 domes? I'm trying to remove a peak at 4kHz

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23rd April 2011, 04:35 PM	#2
mickeymoose diyAudio Member Join Date: Nov 2008	Good luck on that one. I dont believe that Philips measured or provided that info. These tweeters are from 1976 and allready then where known for their rather crisp and grating performance (hard plasic dome?). E

23rd April 2011, 04:40 PM	#3
Richard Ellis diyAudio Member Join Date: Sep 2006 Location: Mar del Plata, a BIG seasonal getaway city, can see the Ocean from our residence.	All I found is a resonant frequency.....1K Hz., and an RE of 6.7 Ohms. Finding a Qms, Qes will be hard to find as Thiele & Small didn't do their work till '76' or so. One would have to measure the T/S with an existing unit. __________________________________________________ ______Rick.........