Home » Sponsored » Pi Speakers » 4Pi - alternate compression driver mounting?
Re: 4Pi - alternate compression driver mounting? [message #95216 is a reply to message #95213] |
Mon, 07 February 2022 10:25 |
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Wayne Parham
Messages: 18774 Registered: January 2001
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Illuminati (33rd Degree) |
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Oh, that's excellent!
I like what I see in the 100-400Hz region, which was really what I was most worried about because of the port change. But I'm no longer worried. That configuration works fine. That tells me that the junk we saw was a result of reflections in the back yard, which is completely understandable and expected.
As for the 1kHz to 2kHz region, I'm a little less worried about that 'cause I know what it looks like based on the fore/aft locations of the drivers and the crossover. Your vertical distance between woofer and tweeter looks to be a little greater than a stock build, but not so wide as to narrow the null angles too much. I expect that to all be fine.
But I would double-check the usual stuff that can cause symptoms like that. Check the connection polarity. It's "weird" on both the woofer and tweeter, in that the 2226H needs positive to black and so does the DE-250. So make sure they're connected right.
And of course, make sure the tweeter face is flush with the baffle and the microphone is on-axis, or at least within +/-20°, maybe +/-15° in your setup with the tweeter a little further from the woofer than stock. When the speaker is on its back, the microphone should be hung above the speaker a few feet away and between the woofer and tweeter. That's the center of the forward lobe. You can then move the microphone along the speaker's vertical plane to find the positions of the vertical nulls.
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4Pi - alternate compression driver mounting?
By: areohbe on Tue, 21 September 2021 13:16
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Re: 4Pi - alternate compression driver mounting?
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Re: 4Pi - alternate compression driver mounting?
By: alexg on Wed, 10 November 2021 11:35
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Re: 4Pi - alternate compression driver mounting?
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Re: 4Pi - alternate compression driver mounting?
By: alexg on Sat, 13 November 2021 11:03
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Sun, 14 November 2021 00:23
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Mon, 29 November 2021 12:03
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Wed, 22 September 2021 13:11
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Re: 4Pi - alternate compression driver mounting?
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Wed, 22 September 2021 22:53
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Thu, 23 September 2021 02:03
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Re: 4Pi - alternate compression driver mounting?
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Sun, 02 January 2022 20:31
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Re: 4Pi - alternate compression driver mounting?
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Tue, 11 January 2022 21:17
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Fri, 14 January 2022 18:25
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Sat, 15 January 2022 20:36
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Re: 4Pi - alternate compression driver mounting?
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Thu, 27 January 2022 22:21
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Re: 4Pi - alternate compression driver mounting?
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Fri, 28 January 2022 17:38
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Re: 4Pi - alternate compression driver mounting?
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Sat, 29 January 2022 20:33
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Mon, 31 January 2022 01:43
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Re: 4Pi - alternate compression driver mounting?
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Mon, 31 January 2022 14:08
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Re: 4Pi - alternate compression driver mounting?
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Mon, 31 January 2022 16:05
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Fri, 04 February 2022 20:15
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Re: 4Pi - alternate compression driver mounting?
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Sun, 06 February 2022 20:07
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Re: 4Pi - alternate compression driver mounting?
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Fri, 06 May 2022 14:55
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Re: 4Pi - alternate compression driver mounting?
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Re: 4Pi - alternate compression driver mounting?
By: Barryso on Sat, 07 May 2022 08:26
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Re: 4Pi - alternate compression driver mounting?
By: Rusty on Mon, 09 May 2022 05:58
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Re: 4Pi - alternate compression driver mounting?
By: areohbe on Wed, 11 May 2022 15:11
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