which zobel should I run with?

wintermute · 29th January 2005, 04:38 AM

I've been testing zobels this afternoon, and have two candidates. I'll attach the impedance measurements of both here.

I'm leaning toward the top one, as it has a much smaller capacitor and I think it will be kinder on my amp, although the bottom one is more progressive.

I could I guess go with something in between too.

Tony.

edit just for info, this is two morel MW144's running in parallel, each in it's own sealed enclosure.

Oh and at this stage I'm thinking of crossing somewhere between 2 and 2.5Khz

wintermute · 30th January 2005, 05:24 AM

anyone? here ---> http://www.diyaudio.com/forums/showt...617#post563617

is the impeadance plot before compensation.

is the flat (for a while) phase in the first graph preferable to the continually changing phase in the second? I'm getting very confused about the difference between electrical and acuoustic phase...

Tony.

Bill Fitzpatrick · 30th January 2005, 07:56 AM

I'd take door #2.

wintermute · 30th January 2005, 10:26 AM

Thanks Bill,

I assume because it is a smoother curve with no step? It is certainly much more like the impeadance comp examples I have seen.

Tony.

30th January 2005, 10:26 AM	#4
wintermute just another diyAudio Moderator Join Date: Aug 2003 Location: Sydney Blog Entries: 22	Thanks Bill, I assume because it is a smoother curve with no step? It is certainly much more like the impeadance comp examples I have seen. Tony. __________________ Any intelligence I may appear to have is purely artificial! Some of my photos

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30th January 2005, 05:24 AM	#2
wintermute just another diyAudio Moderator Join Date: Aug 2003 Location: Sydney Blog Entries: 22	anyone? here ---> http://www.diyaudio.com/forums/showt...617#post563617 is the impeadance plot before compensation. is the flat (for a while) phase in the first graph preferable to the continually changing phase in the second? I'm getting very confused about the difference between electrical and acuoustic phase... Tony. __________________ Any intelligence I may appear to have is purely artificial! Some of my photos

30th January 2005, 07:56 AM	#3
Bill Fitzpatrick diyAudio Member Join Date: Jun 2001 Location: Eugene, OR	I'd take door #2.