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I too wonder why you are using such a big horn for that range. This range would be much better served from a performance standpoint with a 1" throat driver. I actually think the Iwata 300 (and I...

I fully get the lateral placement of super tweeters, as I agree with that rationale. I guess I was more confused as other models use lateral placement of tweeters (and occasionally mids), not super...

(fyi, I did a search as I am certain this isn't a new question, but didn't find anything)

Something I never understood was why the "super tweeter" is placed beside the HF horns in many of their...

I hear you. My own projects move at a similar pace. Still nice work!

Would love to see an update of where this ended up! Looking at possibly have Altec 828s built, or some modification of such. I am only looking for 60-800hz response.

Hey John,

Did you ever look into this further? I am curious what you found. This CMCD looks to be quite interesting since they solved one of the harder aspects of DIY, the phase plug and rear...

Sorry for drudging up a thread from the black hole, but this is precisely what I was looking to do. Mike or anyone else, can you provide some more details on the tractrix/horn loaded 2123H? I...

A pair of 2123H's about a month ago. (I was born in mid 70s).

What about the Oblate Spheroid that Dr. Geddes is a fan of?

Excellent job! I'd love to build a similar pair of round horn/waveguides for my system. Can I ask what lathe did you buy for this project? I have been eyeing a wood lathe for my shop and I think...

Absolutely inspirational! Everything about your research, plan and execution are a marvel. I thought that I have done a load of research on my planned projects (>1.5years and counting) but you have...

First post on this forum.....just had to comment on Jack B's system. :rockon2: A member of another forum I participate on pointed these out. Excellent work!

I am venturing down a somewhat...