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[Don Davis]

Hi Peter,  it was from a superbly designed box that can't help but measure straight traces when tuned, even by a hack like me !!!   

The measurement graph file says DIY60, but it's really the DIY90....
(I'm used to typing 60, because that's the horn I spent all my time learning on.
I think I mentioned on the other forum that I just converted my 2 boxes to 90 degree duty, and am building some new 60's.)

Anyway, the graph represents the first and only time I tried tuning the DIY90 with FIR.  Sounds very close to the 60 degree now.
Oh, and it's using the BMS xover btw

Many thanks yet again for such a great design !

Mark, next time you're in Cali come by and help me tune mine ;-) Steak dinner on me!

[Mark Wilkinson]

Mark, next time you're in Cali come by and help me tune mine ;-) Steak dinner on me!

Kind words Don, thx!   But I think I'm the one who still owes you the steak dinner for all the help you've given