Audio Physic Spark III crossover - how to get to?

pooneej · 30th April 2011, 11:59 AM

Hello:
I *think* I blew a capacitor in the crossover, that or the tweeters which I have to check still. But I'm guessing it may be the crossover. Does anyone know how to get to the crossover in these speakers? I read somewhere its behind the binding posts but it doesnt appear to be easily removed (the metal plate where the binding posts are).
thanks

Joachim Gerhard · 30th April 2011, 12:29 PM

Could you please post a photo of your version and then i may be able to help.

pooneej · 30th April 2011, 12:48 PM

thanks!
attached are the spark III's - listened to them quite loud last night for extended period so possible crossover resistor or capacitor got too hot and blew? I am going to remove tweeter in a little while to test if they are maybe the tweeters.

Joachim Gerhard · 30th April 2011, 02:02 PM

Sorry, i can not help you on that. That was made after i left in 2004. You can mail Mr.Diestertich, the new designer at Audio Physic. Sorry, i do not have his e-mail adress. Maybe you find it on the website.

pooneej · 30th April 2011, 04:50 PM

I think good news (somewhat) is that the tweeters are blown and not crossover - - I took one tweeter out, still soldered and put a music source to them. Sound came out of one of the mids but not the tweeter so I'm guessing its the tweeter right?

jeffreybehr · 30th April 2011, 05:09 PM

IIRC, the MR/treble x-over in my Avanti IIIs were behind a MR driver, but...

...first unsolder one wire from the tweeter (be sure to heatsink the terminal) and test the resistance of the tweeter. If the voicecoil is open, the tweeter is junk.

30th April 2011, 11:59 AM	#1
pooneej diyAudio Member Join Date: Dec 2009	Audio Physic Spark III crossover - how to get to? Hello: I think I blew a capacitor in the crossover, that or the tweeters which I have to check still. But I'm guessing it may be the crossover. Does anyone know how to get to the crossover in these speakers? I read somewhere its behind the binding posts but it doesnt appear to be easily removed (the metal plate where the binding posts are). thanks

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30th April 2011, 12:29 PM	#2
Joachim Gerhard diyAudio Member Join Date: Mar 2009	Could you please post a photo of your version and then i may be able to help.

30th April 2011, 02:02 PM	#4
Joachim Gerhard diyAudio Member Join Date: Mar 2009	Sorry, i can not help you on that. That was made after i left in 2004. You can mail Mr.Diestertich, the new designer at Audio Physic. Sorry, i do not have his e-mail adress. Maybe you find it on the website.

30th April 2011, 04:50 PM	#5
pooneej diyAudio Member Join Date: Dec 2009	I think good news (somewhat) is that the tweeters are blown and not crossover - - I took one tweeter out, still soldered and put a music source to them. Sound came out of one of the mids but not the tweeter so I'm guessing its the tweeter right?

30th April 2011, 05:09 PM	#6
jeffreybehr diyAudio Member Join Date: Mar 2005 Location: Phoenix, Arizona USA	IIRC, the MR/treble x-over in my Avanti IIIs were behind a MR driver, but... ...first unsolder one wire from the tweeter (be sure to heatsink the terminal) and test the resistance of the tweeter. If the voicecoil is open, the tweeter is junk.

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