mantha3 Messages: 72 Registered: May 2012 Location: Lino Lakes, MN
Viscount
Wayne,
I have been scanning the internet on the topic of 4Pi speakers and looking at this forum. Great information and the reviews of these speakers is impressive!
I found a link to a guy who built a set of 4PI and he built to your design but built the cabinet with an increase the cabinet size by approximately 1 cubic foot. He built using your dimentions but added 7 In. in height to get the additional cu ft. He did this to boost the Bass extension. He also did his bass port by using two PVC ports on the bottom front of the speaker.
I'm curious what your thought is on this modification to your design? I know you probably can't speak in specifics as you'd need to test this to know for sure. I thought I'd check in with you on this thinking perhaps you tried a bigger cabinet when you designed the 4 PI.
I like the look of these speakers and I use a router with a circle jig cutter tool... I think I could make a speaker that looked better with the circle ports over the rectangle. So this taller 4 Pi has some things I like about it. I would not do this if you had some similar size cabinets and found something negative while testing.
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