Update:
This is 2-way #1:
This is 2-way #2:
This is the EQ'd 1-way (not an exactly equivalent measurement on the low end, but I wanted to post it in the same graph format):
These all sound pretty good and pretty similar, according to me. I have attached frd files for the drivers, post-EQ, if you'd like try coming up with active xover schemes for me to try. It's not like I'm that great at this. Here are the details you'd need:
- vertical driver spacing is 9.8 cm, or +4.9, -4.9 (measured on midpoint axis).
- woofer acoustic center is behind tweeter's by 0.7 cm.
- you can use delay in 0.02ms increments.
- these are already minimum phase, not corrected for mic distance/delay. They seem accurate enough down to anywhere you'd need to know phase for xover purposes, but if you think I need to do a better job, feel free to ask.
I will take off-axis measurement sets at some point.
This is 2-way #1:
This is 2-way #2:
This is the EQ'd 1-way (not an exactly equivalent measurement on the low end, but I wanted to post it in the same graph format):
These all sound pretty good and pretty similar, according to me. I have attached frd files for the drivers, post-EQ, if you'd like try coming up with active xover schemes for me to try. It's not like I'm that great at this. Here are the details you'd need:
- vertical driver spacing is 9.8 cm, or +4.9, -4.9 (measured on midpoint axis).
- woofer acoustic center is behind tweeter's by 0.7 cm.
- you can use delay in 0.02ms increments.
- these are already minimum phase, not corrected for mic distance/delay. They seem accurate enough down to anywhere you'd need to know phase for xover purposes, but if you think I need to do a better job, feel free to ask.
I will take off-axis measurement sets at some point.
Attachments
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No, I was done for the day when I posted that. I always end up wishing I posted more info after posting graphs like that... Many people will know what's up by what's on the graphs, but I don't mean to be misleading. The 2-way graphs are accurate above 1k, and reasonably good to 300Hz (for real bass extension, see first page). The 1-way graph is a bit flawed below 2k - just trying to show response over xover point, as it's all the same speaker below.
For comparative off-axis measurements, I will do everything identical and on the same graph.
For comparative off-axis measurements, I will do everything identical and on the same graph.
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Ha, well, I tried to come back to this and... I really should have done a better job of labeling this big mess of measurement and DSP files. I think I might just start over except for the single driver EQ, as it doesn't really take that long... 
Someday I'll learn to avoid this problem. Happens with 100% of my projects.
Someday I'll learn to avoid this problem. Happens with 100% of my projects.Appreciate you sharing your findings. Question: how did you decide on the crossover points of around 2,400 and 2,800Hz? The 105wk is considered a "full range" and that ND16 is one small tweeter so conventional thinking would be to run the Fostex as high as possible and cross to the tweeter as high as possible too.
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