Need HELP!!!! POLK AUDIO MONITOR 30

msj965 · 24th February 2011, 04:08 PM

Hello Masters

Just got this polk monitor 30 speaker yesterday from newegg. remove the crossover section and found out 2 electrolytic caps w/c values 18uf 50v & 8uf 50v.Can I change this to a polypropylene capacitor ?

Thanks and more power to the site!!!!

sdclc126 · 24th February 2011, 04:24 PM

Polys will last longer and may possibly be closer to stated values. But don't expect to hear an improvement in the sound quality, if that's why you're making the change.

AllenB · 25th February 2011, 09:30 AM

Agreed. This being a DIY haven, go ahead. They may make a difference, may be better or may be worse.

BHD · 25th February 2011, 12:26 PM

If the caps are used anywhere near the midrange and treble then you'll definitely hear the difference using better caps. And no, they don't need to be the hyper expensive ones - electrolytics just don't belong in speaker crossovers.

head_unit · 25th February 2011, 04:20 PM

If you JUST got them, listen to them first if within a return period, eh?!

msj965 · 26th February 2011, 05:39 PM

okeythen, I'll break them first and see the outcome.

24th February 2011, 04:08 PM	#1
msj965 diyAudio Member Join Date: Feb 2009	Need HELP!!!! POLK AUDIO MONITOR 30 Hello Masters Just got this polk monitor 30 speaker yesterday from newegg. remove the crossover section and found out 2 electrolytic caps w/c values 18uf 50v & 8uf 50v.Can I change this to a polypropylene capacitor ? Thanks and more power to the site!!!!

24th February 2011, 04:24 PM	#2
sdclc126 diyAudio Member Join Date: Jan 2005 Location: San Diego, CA	Absolutely Polys will last longer and may possibly be closer to stated values. But don't expect to hear an improvement in the sound quality, if that's why you're making the change.

25th February 2011, 12:26 PM	#4
BHD diyAudio Member Join Date: Jun 2004 Location: Brooklyn Park, MN	If the caps are used anywhere near the midrange and treble then you'll definitely hear the difference using better caps. And no, they don't need to be the hyper expensive ones - electrolytics just don't belong in speaker crossovers. __________________ My religion is the golden rule. The only time it's forsaken me is when I've forsaken it first.

26th February 2011, 05:39 PM	#6
msj965 diyAudio Member Join Date: Feb 2009	hello:) okeythen, I'll break them first and see the outcome.

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25th February 2011, 09:30 AM	#3
AllenB diyAudio Member Join Date: Oct 2008	Agreed. This being a DIY haven, go ahead. They may make a difference, may be better or may be worse.

25th February 2011, 04:20 PM	#5
head_unit diyAudio Member Join Date: Feb 2004 Location: Los Angeles	If you JUST got them, listen to them first if within a return period, eh?!

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