Question regarding the MCM 8" Woofer (Part #55-2421)

Phlim · 2nd February 2006, 08:48 PM

Hello,
I'm interested in building a ported subwoofer using the MCM 8" 55-2421. It seems like a good choice for the small sub i'm building, and I've heard some good things about it. What I'm concerned about is the specs on this datasheet. That 40hz dip scares me!

Anyone have any info or experience with this driver?
thx

Cal Weldon · 2nd February 2006, 09:26 PM

I haven't played with that woofer but that dip does look awful. It will probably work fine for a woofer but not a sub as such. The rest of the specs look good, the price is sure right, perhaps that dip is why it doesn't sell for more.

I am currently using the TB version of that woofer. No dip, higher cost.

http://www.partsexpress.com/pe/pshow...number=264-854

Phlim · 2nd February 2006, 10:46 PM

Hmm... that one looks great actually. Would that Qms (10.53) be a problem in any way? seems a bit high. thx for the recommendation, though, i'm really gonna look into this one.

2nd February 2006, 08:48 PM	#1
Phlim diyAudio Member Join Date: Jan 2006 Location: Sask	Question regarding the MCM 8" Woofer (Part #55-2421) Hello, I'm interested in building a ported subwoofer using the MCM 8" 55-2421. It seems like a good choice for the small sub i'm building, and I've heard some good things about it. What I'm concerned about is the specs on this datasheet. That 40hz dip scares me! Anyone have any info or experience with this driver? thx

2nd February 2006, 09:26 PM	#2
Cal Weldon Speakerholic diyAudio Moderator Join Date: Jan 2004 Location: British Columbia	I haven't played with that woofer but that dip does look awful. It will probably work fine for a woofer but not a sub as such. The rest of the specs look good, the price is sure right, perhaps that dip is why it doesn't sell for more. I am currently using the TB version of that woofer. No dip, higher cost. http://www.partsexpress.com/pe/pshow...number=264-854 __________________ Next stop: Margaritaville Some of Cal's stuff \| Cal Weldon Consulting

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2nd February 2006, 10:46 PM	#3
Phlim diyAudio Member Join Date: Jan 2006 Location: Sask	Hmm... that one looks great actually. Would that Qms (10.53) be a problem in any way? seems a bit high. thx for the recommendation, though, i'm really gonna look into this one.

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