| Re: Compact version of 6Pi / 7Pi [message #98807 is a reply to message #98806] |
Sat, 09 August 2025 23:33   |
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Wayne Parham
Messages: 18961
Registered: January 2001
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Illuminati (33rd Degree) |
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So glad you got the 2226H drivers! They are awesome!
The original seven Pi cabinet actually used a slightly larger wood horn, which had additional mouth radiusing to combat waistbanding.
The H290C isn't too bad in this regard, as you can see in the measurements:
Still, it benefits from the baffle on the three Pi and four Pi speakers, which reduces waistbanding without the additional mouth radiusing. It would be even better if radiused and mounted on a baffle, but the trade-off is that the extra radiusing increases vertical distance between sound sources, bringing the vertical nulls closer together.
Personally, I would rather have the waistbanding than the vertical nulls too close together. But I digress.
In your case, you have a design that adds a little extra baffling where the tweeter will mount. None in the vertical, so I'm not sure how much it will help in the vertical plane but I suspect it will help a little in the horizontal. So that's why I would do it if I were contemplating your mods.
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