Hi all,
I've been out of the hobby for some time, but I decided I had enough free time again, so I decided to start again... and I found an issue I thought I had solved, but didn't.
I built a three way speaker with some NOS drivers - a pair of shielded RS-225s, 2 RS-100ps and a Dayton RS-28F.

I didn't do roundovers just because of aesthetics, but I don't think this is the main issue.
I used to do just a single off axis measurements, but looking at the spinoramas on the web, I decided to take multiple mesurements around the speaker this time, at about 4 feet. This is what I found on the midrange.

That flare at 2 KHz really bothers me, and it's obvious at 45º and really big at 75º.
First - why does this happen? I used Jeff Bagby's Excel spreadsheet and it shouldn't be there. No matter how I model the box, there's no "flare" to be seen.
Also, now that I know its there, what's the best way to get rid of it? Reason being, if I get rid of it at 75º, I get a dip on axis.
I'm using two MiniDSPs, so I can test everything I'd imagine. I have designed a flat measuring crossover wiht a 2 db "Flare" from about 1.5 to 2.5 KHz off axis and the speaker sounds shouty and hard.
Do you know what causes this flare? What's the best way to deal with it - eliminate it, or live with it?
I've been out of the hobby for some time, but I decided I had enough free time again, so I decided to start again... and I found an issue I thought I had solved, but didn't.
I built a three way speaker with some NOS drivers - a pair of shielded RS-225s, 2 RS-100ps and a Dayton RS-28F.
I didn't do roundovers just because of aesthetics, but I don't think this is the main issue.
I used to do just a single off axis measurements, but looking at the spinoramas on the web, I decided to take multiple mesurements around the speaker this time, at about 4 feet. This is what I found on the midrange.
That flare at 2 KHz really bothers me, and it's obvious at 45º and really big at 75º.
First - why does this happen? I used Jeff Bagby's Excel spreadsheet and it shouldn't be there. No matter how I model the box, there's no "flare" to be seen.
Also, now that I know its there, what's the best way to get rid of it? Reason being, if I get rid of it at 75º, I get a dip on axis.
I'm using two MiniDSPs, so I can test everything I'd imagine. I have designed a flat measuring crossover wiht a 2 db "Flare" from about 1.5 to 2.5 KHz off axis and the speaker sounds shouty and hard.
Do you know what causes this flare? What's the best way to deal with it - eliminate it, or live with it?
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