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Old 1st February 2013, 09:31 AM   #61
holtet is offline holtet  Norway
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Join Date: May 2006
Quote:
Originally Posted by sweefu View Post
Very good feedback here

I am planning to use the W3-1878 in small sealed enclosures on the dashboard of my car. I am hoping I will not miss having a tweeter, I hope these will provide all of the high end detail. They will be mounted directly on axis to the driver, and being in a car there are a lot of reflective surfaces to worry about, so reflections are difficult to deal with.

How low are you playing these?

Thanks!
I think these could work very nicely in a car. But I'm not sure how big a box you can fit on the dashboard? I would try simulating it to see how low they will go. Maybe it'd be better to just mount them directly in the dash without a box and filter away the lowest bass below perhaps 100-200hz. Playing upwards and reflecting the sound from the windshield should give enough highs I'd guess.

I play them as low as they go. I'm not sure about the numbers, but will try to make some measurements this weekend.
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Old 1st February 2013, 10:25 AM   #62
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Join Date: Aug 2012
Quote:
Originally Posted by holtet View Post
I think these could work very nicely in a car. But I'm not sure how big a box you can fit on the dashboard? I would try simulating it to see how low they will go. Maybe it'd be better to just mount them directly in the dash without a box and filter away the lowest bass below perhaps 100-200hz. Playing upwards and reflecting the sound from the windshield should give enough highs I'd guess.

I play them as low as they go. I'm not sure about the numbers, but will try to make some measurements this weekend.
Thanks for your help.

I might be able to get around 0.75litres at a guess, I haven't been able to measure properly yet but will be around that. I will be able to mount them directly on axis to the driver, so with some luck this will take advantage of the highs, as much as the driver can offer.

I am happy to cross them around 350hz ideally, I'd prefer low but this won't be possible in the small enclosure.

This is modeled in a 0.75 liter sealed enclosure with some stuffing, as you can see it's -1.7dB at 353hz
Click the image to open in full size.

Any measurements you might have would be fantastic!

This is not the only speaker I am considering, also the Fountek FR88EX and Tang Band W3-315E
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Old 1st February 2013, 05:34 PM   #63
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Join Date: Jun 2009
A guy won the Norwegian championship (audio quality) using the w3-871 (dash mounted) and the w6-1139 in doors. Don't remember the amp or xo but I think it was around 150 Hz...
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