Measure of tweeter respons

Jonasa · 19th August 2006, 08:06 PM

I would like to design a crossover with speaker workshop.
But therefore I must measure the frequency and impedance response of my tweeter without a crossover.

I'm a bit concern that het tweeter could be damaged because there is always a little DC voltage on the amplifier output.
How is this mostly done? Is it better to put one big capacitor before the tweeter?

AKN · 19th August 2006, 08:47 PM

Jonasa,

A small amount of DC <100mV (usually much less) from an amp in good shape is nothing to worry about.
Check DC voltage first if you are worried.

Jonasa · 19th August 2006, 09:01 PM

Thanks, so worry about notting..

One more question:
I'm reading the manual of speaker workshop for measuring frequency and impedance measurements. But there is notting inside about groundplane measurements.
I was thinking that a grondplane measurement is best because you measure also the infuence of the baffle (speaker front).
Isn't it better that I do a groundplane measurement intead of nearfield (no baffle infuence) and farfield (to much influence of walls and ground)??

It is for a crossover disign.

19th August 2006, 08:06 PM	#1
Jonasa diyAudio Member Join Date: May 2005 Location: Belgium	Measure of tweeter respons I would like to design a crossover with speaker workshop. But therefore I must measure the frequency and impedance response of my tweeter without a crossover. I'm a bit concern that het tweeter could be damaged because there is always a little DC voltage on the amplifier output. How is this mostly done? Is it better to put one big capacitor before the tweeter?

19th August 2006, 08:47 PM	#2
AKN Enjoy good sound diyAudio Member Join Date: Aug 2005 Location: In the middle of Sweden	Jonasa, A small amount of DC <100mV (usually much less) from an amp in good shape is nothing to worry about. Check DC voltage first if you are worried. __________________ / Anders

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19th August 2006, 09:01 PM	#3
Jonasa diyAudio Member Join Date: May 2005 Location: Belgium	Thanks, so worry about notting.. One more question: I'm reading the manual of speaker workshop for measuring frequency and impedance measurements. But there is notting inside about groundplane measurements. I was thinking that a grondplane measurement is best because you measure also the infuence of the baffle (speaker front). Isn't it better that I do a groundplane measurement intead of nearfield (no baffle infuence) and farfield (to much influence of walls and ground)?? It is for a crossover disign.

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