831882 in an MTM config?

weinstro · 24th September 2007, 07:01 AM

Hi All,

I'd like to build a small MTM w/ 5.25" woofers. The intent would be to cross this over at about 100 Hz to a subwoofer. To ease integration issues, I'm contemplating a sealed enclosure.

The Peerless 831882 stands out as a nice low distortion, high value driver.

However, I haven't found much in terms of success stories for this driver in this application. What should I be expecting?

Assuming I'm using the tool correctly, Unibox indicates an F3 of 110 Hz or so with a pair of these drivers in a sealed box. I suppose I could apply a Linkwitz transform to get the desired "Q" and F3 frequency. Is this a bad idea?

Unibox also indicates that the SS 15/8530 would work great, but that costs a whole lot more than the Peerless. If the 831882 won't fly, is their a better alternative?

bjorno · 24th September 2007, 09:10 AM

Quote:

If the 831882 won't fly,....

It will fly if using a 12 dB/octave LR XO.

b

1(1)

weinstro · 24th September 2007, 04:02 PM

Wow, bjorno. Thanks for taking the trouble to run a simulation on my behalf!

Looks like the results are not vastly different than what I had with Unibox, so I appreciate the validation, and also the input that this result is basically usable.

24th September 2007, 07:01 AM	#1
weinstro diyAudio Member Join Date: May 2003 Location: California	831882 in an MTM config? Hi All, I'd like to build a small MTM w/ 5.25" woofers. The intent would be to cross this over at about 100 Hz to a subwoofer. To ease integration issues, I'm contemplating a sealed enclosure. The Peerless 831882 stands out as a nice low distortion, high value driver. However, I haven't found much in terms of success stories for this driver in this application. What should I be expecting? Assuming I'm using the tool correctly, Unibox indicates an F3 of 110 Hz or so with a pair of these drivers in a sealed box. I suppose I could apply a Linkwitz transform to get the desired "Q" and F3 frequency. Is this a bad idea? Unibox also indicates that the SS 15/8530 would work great, but that costs a whole lot more than the Peerless. If the 831882 won't fly, is their a better alternative?

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24th September 2007, 04:02 PM	#3
weinstro diyAudio Member Join Date: May 2003 Location: California	Wow, bjorno. Thanks for taking the trouble to run a simulation on my behalf! Looks like the results are not vastly different than what I had with Unibox, so I appreciate the validation, and also the input that this result is basically usable.

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